YTO - SEA

C$ 199 Find Cheap Flights from Toronto to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Toronto to Seattle departing on 14/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Seattle.
In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here is why:

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Cheap Flight Deals from Toronto to Seattle (YTO-SEA)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Toronto to Seattle that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Toronto to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Toronto to Seattle.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 346WestJet
Find Deal
Tue, 14 Jan - Tue, 21 Jan
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 349WestJet
Find Deal
Tue, 14 Jan - Thu, 16 Jan
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 351Alaska Airlines
Find Deal
Tue, 14 Jan - Thu, 16 Jan
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
7:05 p.m. - 6:09 a.m.SEA-YYZ
8h 04m1 stop
C$ 359Air Canada
Find Deal
Sat, 18 Jan - Mon, 20 Jan
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
5:00 a.m. - 3:02 p.m.SEA-YYZ
7h 02m1 stop
C$ 364United Airlines
Find Deal
Fri, 10 Jan - Sun, 12 Jan
4:30 p.m. - 6:50 p.m.YYZ-SEA
5h 20mdirect
7:00 a.m. - 2:40 p.m.SEA-YYZ
4h 40mdirect
C$ 372Alaska Airlines
Find Deal
Tue, 15 Apr - Mon, 21 Apr
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 374Air Canada
Find Deal
Thu, 9 Jan - Wed, 15 Jan
6:15 a.m. - 12:31 p.m.YYZ-SEA
9h 16m1 stop
6:00 a.m. - 4:12 p.m.SEA-YYZ
7h 12m1 stop
C$ 377Delta
Find Deal
Thu, 9 Jan - Wed, 15 Jan
3:00 p.m. - 10:00 p.m.YYZ-SEA
10h 00m1 stop
11:59 p.m. - 9:58 a.m.SEA-YYZ
6h 59m1 stop
C$ 386United Airlines
Find Deal
Sat, 18 Jan - Mon, 20 Jan
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
5:30 p.m. - 6:15 a.m.SEA-YYZ
9h 45m1 stop
C$ 443Delta
Find Deal
Tue, 18 Feb - Sun, 23 Feb

Flights from Toronto to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Toronto to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Toronto to Seattle flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Toronto to Seattle.
Our data shows that the cheapest route for a return flight from Toronto to Seattle cost C$ 355 and was between Toronto Pearson Intl Airport (YYZ) and Seattle (SEA). On average, the best prices are found if you fly this route. The average price for a return flight for this route is C$ 355.

What’s the cheapest day of the week to fly from Toronto to Seattle?

The average price of all round-trip flights from Toronto to Seattle clicked on KAYAK for each day over the last 12 months.
For Toronto to Seattle, Tuesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Seattle back to Toronto, the best deals are generally found on Sunday, with Thursday being the most expensive.

What is the cheapest month to fly from Toronto to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Toronto to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Toronto to Seattle is November, where tickets cost C$ 492 (return) on average. On the other hand, the most expensive months are March and April, where the average cost of round-trip tickets is C$ 785 and C$ 719 respectively.

Can I save money by flying with a layover from Toronto to Seattle?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.
Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at C$ 434 on average.

How far in advance should I book a flight from Toronto to Seattle?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Toronto to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Toronto to Seattle, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low season

January

High season

August

Cheapest flight

C$ 199
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Toronto Pearson Airport to Seattle

When to book flights from Toronto to Seattle

Are your dates flexible? Find out the best times to travel from Toronto to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Toronto to Seattle

  • Is there accommodation at Seattle-Tacoma Airport?

    There are several hotels situated to the east of Seattle-Tacoma Airport where travelers can find comfortable accommodation. Top-rated hotels like Hilton Seattle Airport & Conference Center, Seattle Airport Marriott, and the Radisson Hotel provide top-notch service to travelers.

  • Which services for passengers with limited mobility are available at Toronto Pearson Airport?

    Apps like BlindSquare and Aira are available at Toronto Pearson Airport to help those with sight loss to navigate through the vast airport with ease. There are also accessible self-service check-in kiosks, wheelchair-accessible restrooms, and an in-terminal shuttle service.

  • Which transportation means are available to Toronto Pearson Airport from Downtown Toronto?

    The Union Pearson Express train provides a fast and efficient transportation means to Toronto Pearson Airport. The public transit buses, rideshares, taxis, and shuttles offer alternative means of transport to the bustling Toronto Pearson Airport.

  • Are there special services at Seattle-Tacoma Airport for VIP passengers?

    VIP passengers receive special treatment at Seattle-Tacoma Airport. Upon arrival, VIPs get the meet and greet service, after which they are escorted to the VIP lounge, which has plenty of refreshments and exclusive services.

  • How do I get to Seattle city center from Seattle-Tacoma International Airport (SEA)?

    There are seven ways to get from Seattle-Tacoma International Airport (SEA) to the city center. You can use a town car, shuttle, taxi, bus 156, bus 150, or a tram to drive to the city center. The bus is the recommended means, with Flixbus operating between the destinations regularly. However, a shuttle is the fasted means.

  • What are the parking options at Toronto Pearson International Airport (YYZ)?

    You'll need a parking lot if you're accessing the YYZ with your vehicle. You can park and Park'N Fly with both valet and self-parking options. Value Park Lot, Dixon Park Lot, and Aerospot Toronto outdoor parking offer affordable parking charges.

  • Which hotels are near Seattle-Tacoma International Airport (SEA)?

    Passengers arriving late at the airport shouldn’t worry about where to spend their night since the airport houses several hotels. Skyway Inn & Airport Parking, Rodeway, and Motel 6 Seattle-WA, Airport are the top hotels near the airport. However, its proximity makes Crowne Plaza Seattle Airport Hotel more convenient. It's located across the sky bridge.

  • What are the flight options for passengers traveling from Toronto to Seattle?

    Several airlines offer one-stop flights from Toronto Pearson International Airport (YYZ) to Seattle-Tacoma International Airport (SEA). Air Canada, Delta, WestJet, and United Airlines are some carriers you’ll encounter.

  • What is the cheapest flight from Toronto to Seattle?

    In the last 3 days, the lowest price for a flight from Toronto to Seattle was C$ 139 for a one-way ticket and C$ 241 for a round-trip.

  • Which airports will I be using when flying from Toronto to Seattle?

    When flying out of Toronto you will be using one of these airports: Toronto Region of Waterloo Intl, Toronto Island, or Toronto Pearson Intl. You will be landing at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Toronto to Seattle?

    All the following airlines offer inflight Wi-Fi service on the Toronto to Seattle flight route: Air Canada, United Airlines, Alaska Airlines, WestJet, Delta, and Jazz.

  • Which aircraft models fly most regularly from Toronto to Seattle?

    The Airbus A220-300 is the aircraft model that flies most regularly on the Toronto to Seattle flight route.

  • Which airline alliances offer flights from Toronto to Seattle?

    Star Alliance, and oneworld are the airline alliances operating flights between Toronto and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Toronto to Seattle?

    There are direct flights from Toronto to Seattle on a daily basis.

  • Which is the best airline for flights from Toronto to Seattle, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Toronto to Seattle are Alaska Airlines and Delta. With an average price for the route of C$ 631 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 650 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Toronto to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Toronto is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Toronto to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Toronto with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Toronto to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 302 or less one-way and C$ 491 or less round-trip.
  • If you want to fly nonstop to Seattle from Toronto Pearson Airport (YYZ), you can find some direct flights operated by Air Canada. There are also many other options that require at least one or two layovers at either Dallas Fort Worth, Charlotte Douglas, Detroit, Chicago, Denver, Atlanta, San Antonio, Sacramento, or Salt Lake City.
  • You can take the light rail from Seattle-Tacoma Airport (SEA), but if you have luggage and want a more convenient transportation means, rideshares or cabs are a great choice. Shuttles like the Shuttle Express are affordable alternative transportation means to Downtown Seattle.
  • Take a trip back in time to the Jurassic period while at Toronto Pearson Airport. The impressive dinosaur model displays are found in Terminal 1.
  • Seattle-Tacoma Airport has several lounges for travelers looking for a quiet place to relax during lengthy layovers. The cozy Alaska Lounge, located on Concourse C and D, is accessible for about C$ 63. The lounge has runway views, a pancake machine, and a Starbucks coffee machine.
  • Toronto Pearson Airport has multiple parking lots for those looking for a safe place to leave their vehicle. The long-term parking lot charges around C$ 63 a day. The Daily Park is available at around C$ 31, the Express Park at around C$ 41, and the Value Park at about C$ 25 a day.
  • Seattle-Tacoma Airport does provide luggage trolleys for a small fee. If you wish to leave your bag shortly, there is a baggage storage facility at the airport’s terminal building reclaim section.
  • Those bringing the entire family on their trip to Seattle-Tacoma Airport have will appreciate the family toilets, the baby rooms on Concourse A, nursing rooms at Concourse A and D, and kids play zones near the central terminal. In case you bring pets with you, the pet relief area on Concourse D will come in handy.
  • Toronto Pearson Airport serves as a hub for several airlines operating flights from Toronto to Seattle, including WestJet, American, and Delta Air Lines.
  • Travellers moving from Toronto to Seattle have a couple of airports. Still, the journey is likelier to begin at Toronto Pearson International Airport (YYZ) and end at Seattle-Tacoma International Airport (SEA). The two major airports in Toronto and Seattle, respectively, are the hubs of international flights between the two destinations.
  • Passengers traveling to Seattle through Toronto Pearson International Airport (YYZ) have several options when it comes to getting into the airport. You can access the airport Terminal 3 by train, which takes about 43 minutes, or a bus, taking approximately the same time. However, the fastest means is by taxi, 22 minutes.
See more tips

Prefer to fly direct from Toronto to Seattle?

Find which airlines fly direct from Toronto to Seattle/Tacoma Intl Airport, which days they fly and book direct flights.

Direct departures

Toronto to Seattle/Tacoma Intl

Monday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Tuesday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Wednesday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Thursday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Friday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Saturday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Sunday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

See more nonstop flights

Direct returns

Seattle/Tacoma Intl to Toronto

Monday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Tuesday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Wednesday

Air Canada,Alaska Airlines,Hawaiian Airlines, +2 more

Air Canada,Alaska Airlines, +3 more

Thursday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Friday

Air Canada,Alaska Airlines,Hawaiian Airlines, +2 more

Air Canada,Alaska Airlines, +3 more

Saturday

Air Canada,Alaska Airlines,Hawaiian Airlines, +1 more

Air Canada,Alaska Airlines, +2 more

Sunday

Air Canada,Alaska Airlines,Hawaiian Airlines, +2 more

Air Canada,Alaska Airlines, +3 more

See more nonstop flights
See more nonstop flights

Top 5 airlines serving from Toronto to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Toronto to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Toronto to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9552 reviews
7.9Comfort
7.1Entertainment
8.2Boarding
8.5Crew
7.2Food
Airline reviews

Would like to see more consideration of older people. I have issues with being on my feet and walking too far. You put me in the last seat on the plane. Way in the back. Other than that everything was vey good.

8.0 ExcellentAnonymous, Dec 2024TUS - SEA
Read more Alaska Airlines reviews

Would like to see more consideration of older people. I have issues with being on my feet and walking too far. You put me in the last seat on the plane. Way in the back. Other than that everything was vey good.

Portland reservationist required me to check bag… tho always been ok as carryon before this experience. She didn’t ask my name or destination, seat number; only looked at boarding pass. She then sent my bag to wrong destination: Idaho Falls instead of Bzn, Mt. I spent 1 hr in Bzn trying to get this straightened out and locating where my bag might be? The Bozeman customer service was great and figured out the error that occurred in Seattle. They were wonderful, filed a claim and located my bag. They also offered me compensation for my problem which was helpful. Missed my meds last nite and following morning. Hope this will be resolved later today. 🙁

The app is very bugy, did not work well. Other than that it was ok.

Excellent gate to gate delivery by wheelchair staff. Really appreciate it!

The flight was delayed an hour and it was not disclosed to the passengers until it was time to board. There was no in-flight WiFI available and such poor communication overall. Unfortunate that I was going to miss my connecting flight with poor communication on alternatives.

My flight was cancelled last minute with zero acceptable options and reimbursement. I called Alaska and was told I had to pay for my own flight home so I bought a ticket for $500, I missed work worth $450. I had no babysitter for my child and her father missed work for another $480. I have diabetes and health conditions that require medication and proper diet which was extremely difficult with only $48 of vouchers and not enough medication for the extra 24 hour to 48 hour delays home. I understand things happen but the support Alaska gave wasn’t responsive enough to compensate or reimburse for the inconvenience. It took several hours to get a hotel for the night as Alaskas link was incorrect, vouchers were used and had no more rooms, people were walking the airport 10x to be told their next flights weren’t accurate home. If someone was disabled I don’t know how they even got support.

I liked The generous baggage allowance. I did not like No meals onboard.

The crew forced all group F passengers to check bags because they said there wasn't enough overhead space, but when we boarded there was TONS of space. I was pretty annoyed by that.

Flight was delayed because overhead bin didn’t close. The most insanely stupid thing I’ve ever heard.

I missed my connection and no one did anything g to help me

Inexpensive, got an exit row aisle aeat with no middle passenger, bought a great breakfast sandwich, flight comfortable & arrived ahead of schedule.

Very dissatisfied with the fact that I had upgraded to first class for the second part of my trip only to find out that the lounge was still not available to me, as well as not having any food or drink service on the flight due to weather, so I lost out more than what I paid for.

Delta was great the entertainment was outdated. Screen was very small and didn’t work.

The seats are uncomfortable, feels like a small seat pad on plywood.

My husband is very tall and we generally fly Delta Comfort. We used our companion benefit, and our seats were coach and extremely uncomfortable........ horrid even

My seat had no padding, it was literally plywood with a plastic cover. I could not change seats on my 10 hour flight. My excitement for this trip helped me deal with the pain.

Overall it was not that bad! The delay on the second leg to Indianapolis , was really unexpected!!

I notice that every time I fly delta or any American carrier, the staff seem tired, overworked, and not at the service level I’m accustomed to in Asia. They frequently crash into my arm when coming down the aisle. Food is shoved at my face with no greeting or verbal cue. The food portions seemed much smaller than usual and didn’t see much wine or beverage options. This is comfort plus? The plane was old and tired. The bathroom was dripping with mineral stains after a long lack of cleaning. The power socket did not work, although the USB output did. I really wonder why I’m flying Delta, I think it’s time to switch to ANA.

It was very good. Our flight was delayed and we as a result missed our connecting flight but rescheduled to the next day. The Need Help staff was so great and offered us compensation that was beyond satisfactory.

Excellent. No issue and it was on time and arrived early, the best!

HORRIBLE WITH THEIR WEBSITE!!! WORST WEBSITE IN THE WHOLE AIRLINE INDUSTRY

It was 4 hours late. Almost missed my connecting flight no food or drinks on connecting flight. Overall terrible experience

Cramped seats. Audio jack for the in -flight entertainment was broken.

United airlines was top for my last trip in every way

Horrible; seating was atrocious - inadequate leg room and seat width tight even for a small individual. Profits shouldn’t be everything!

Connection coordination with Star Alliance partner could be better. Lots of check in setup was not interlinked between operators.

There was no room in overhead bin to place our luggage despite we had tree seats. It means a lot of people had more than 1 carry on bags. When I asked a crew member to help she said that it was not her responsibility.

Everything was fantastic. Modern plane. All the amenities! Although the paid snacks and meals are pure robbery. Like i understand airlines need to make money, but 11$ USD for an overnight oats with some nuts in it and barely any pieces of apple.... Highway robbery

The plane used to go to Chicago was a bit outdated and needed a refresh

My connecting gate in .Chicago was across the aisle from my arriving gate. Otherwise I would not have made my connection. So that was very fortunate.

Very old planes. Seats were not comfortable. Air was not on during the flight leading to incredibly stuffy conditions.

It was so bad experience they wanted just charged passengers for any reason.

The flight was on time and shorter time arrival than planned. I was an ultra basic passenger and understood one personal item on the plane. The announcements of one personal item and zone 9 boarding certainly felt like we were separated from the rest. Actually zone 9 passengers should be boarded second; we are not blocking aisles and can be seated much faster and deboarded faster too.

Still sitting in a hotel when I'm due for work

Delays happen but communication and care were very low on what ended up being a long day.

Never been on a long haul flight that didn't have on flight entertainment. I hope the way back is better !

Very easy boarding. The on board snacks were not good.

They canceled the flight with no reason given they should not be in business

We had a 44 minute layover ( ??? ) to change planes for our flight to SRQ. We landed at Concourse D, and the SRQ plane was located at Concourse B, as we were told in Toronto. We got to "B4" as directed by ( Delta Help ), in less than 10 minutes, only to see the flight we booked to leave at 2:28, was showing "DEPARTED". Back to Delta Help, got an extremely obnoxious and rude clerk who gave use two options, next flight leaving 5:20, on "B12", (STANDBY). or (CONFIRMED), leaving around 8:PM, not sure of the exact time because they took our seat request and gave us another boarding pass minus the exact time. We had been waiting hours for the 5:20 flight and at the very last minute a group appeared and were allowed to board. When the "standby" folks were summoned, several were allowed to board ahead of us, even though we were there much earlier. The clerk, who gave his name as Markus, a black man with a beard, was the most arrogant. rude and condescending individual in existence. When I asked him to repeat his name he said "what did it sound like?". Had I been thinking I would have answered to me it sounded like (markasshole) which is exactly what he was. When we originally got to that gate and asked for advice, he went on and on telling me he could only comment on the flight that was in progress, that ATL was a big airport, and treated us, both, in our 80"s like we were children unable to understand the process, and directly in my face in a loud voice, shouted exactly what we were already aware of. Not one ounce of consideration for our problem, of just trying to get home. When he called out the names of the remaining "standby" people, he left several go before us, even though we were there waiting hours earlier. He called out our names, John and Nubia, looked at us and shouted out that he only had ONE, and with a grin on his face, let another standby board, and told that person that she got the "lucky" last seat, still grinning, meaning we had to wait once again for the later flight. This obviously prejudiced and biased poor excuse of human beings needs to find a job he is better suited for, perhaps dog catcher or janitor, IMHO. This entire fiasco put us home more than 7 hours later than previously indicated on our original and paid for flight schedule. If Kayak continues to offer flights with different concourse locations and with only a 44 minute layover, they might also consider a more reasonable and reliable time frame for layover. It was a horrible experience and considering alternatives to this service is paramount.

Plane was tooo small, making cracking sound felt lime its breaking down. No tv, wifi doesn’t work. Only 2 restroom

The idea of needing to go outside in the winter to board in icy cold temperatures is totally a non starter for me. Seats were very uncomfortable though the leg room not too terrible. Attendants were nice

The experience was good. Flight was on time. Liked how they offered to accept carryon baggage for free before as I was checking in online.

3 hours late departure with no explanation. $160 luggage fee (two passengers) for less than 1 hour in the air!

Flight was delayed by 45 min. No problems. Everyone took it in stride.

Crew was friendly and helpful; cabin seemed roomy even in economy class.

The flight attendants that assisted me were exceptionally nice, kind and helpful

Something wrong with the plane so had to deplane and waited over 2 hours to finally leave

AC needs to update their fleet. Too many mechanical issues, dated planes and too many delays

They charge 5 dollars for plastic headphones for a flight of 1 hour! Seats are awful. Service is terrible.

was wondreful! just let me know what airline im flying in advance!

Book cheap flights from Toronto to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Toronto to Seattle found on KAYAK in the last 72 hours.
14/1Tue
2 stops
20h 49mYYZ-SEA
C$ 199
13/1Mon
1 stop
31h 19mYYZ-SEA
C$ 201
14/1Tue
1 stopWestJet
9h 26mYYZ-SEA
C$ 202
14/1Tue
directAlaska Airlines
5h 23mYYZ-SEA
C$ 209
14/1Tue
directUnited Airlines
5h 25mYYZ-SEA
C$ 225
30/1Thu
2 stopsUnited Airlines
22h 20mYYZ-SEA
C$ 234
21/3Fri
directAlaska Airlines
5h 20mYYZ-SEA
C$ 237
22/4Tue
1 stopWestJet
10h 51mYKF-SEA
C$ 262
20/3Thu
directAir Canada
5h 25mYYZ-SEA
C$ 330
16/2Sun
directAir Canada
5h 25mYYZ-SEA
C$ 409

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Search by airline

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Last minute flights from Toronto to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Toronto to Seattle that are departing in the next 10 days.
19/12Thu
multi-stopWestJet
21h 20mYYZ-SEA
31/12Tue
multi-stopWestJet
18h 23mSEA-YYZ
C$ 853
23/12Mon
multi-stopWestJet
10h 51mYKF-SEA
1/1Wed
multi-stopWestJet
7h 01mSEA-YKF
C$ 862
20/12Fri
multi-stopDelta
8h 30mYYZ-SEA
1/1Wed
multi-stopDelta
7h 59mSEA-YYZ
C$ 952
19/12Thu
multi-stopDelta
11h 15mYYZ-SEA
6/1Mon
multi-stopDelta
9h 54mSEA-YYZ
C$ 961
23/12Mon
directAlaska Airlines
5h 20mYYZ-SEA
1/1Wed
directAlaska Airlines
4h 41mSEA-YYZ
C$ 987
20/12Fri
directAlaska Airlines
5h 20mYYZ-SEA
1/1Wed
directAlaska Airlines
4h 41mSEA-YYZ
C$ 1,010
19/12Thu
multi-stopUnited Airlines
8h 22mYYZ-SEA
1/1Wed
multi-stopUnited Airlines
7h 02mSEA-YYZ
C$ 1,024
19/12Thu
multi-stopUnited Airlines
12h 19mYYZ-SEA
5/1Sun
multi-stopUnited Airlines
12h 03mSEA-YYZ
C$ 1,063
22/12Sun
multi-stopAir Canada
7h 25mYYZ-SEA
25/12Wed
directAir Canada
4h 45mSEA-YYZ
C$ 1,150
23/12Mon
multi-stopAir Canada
12h 40mYYZ-SEA
6/1Mon
directAir Canada
4h 45mSEA-YYZ
C$ 1,172

Search by stops

Search by airline

Search by price

Everything you need to know for your flight from Toronto to Seattle

Information on your arrival and departure airports

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