C$ 116 Find Cheap Flights from Toronto Region of Waterloo Intl to United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Region of Waterloo Intl to the United States departing on 31/8. 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.
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Best United States Flight Deals from Region of Waterloo Intl

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

Fort Lauderdale
Fort Lauderdale2 stopsC$ 677
Orlando
Orlando2 stopsC$ 588
Las Vegas
Las Vegas1 stopC$ 229
Los Angeles
Los Angeles1 stopC$ 245
New York
New York2 stopsC$ 672
Miami
Miami3 stopsC$ 749
San Francisco
San Francisco2 stopsC$ 311
Honolulu
Honolulu2 stopsC$ 343
Tampa
Tampa2 stopsC$ 2,076
Fort Myers
Fort Myers3 stopsC$ 939
Seattle
Seattle1 stopC$ 194
Nashville
Nashville1 stopC$ 554
San Diego
San Diego1 stopC$ 335
Atlanta
Atlanta3 stopsC$ 471

Cheap Flight Deals from Region of Waterloo Intl to the United States (YKF-US0)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Region of Waterloo Intl to the United States 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 Region of Waterloo Intl to the United States

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Region of Waterloo Intl to the United States.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
WestJet Logo
6:00 a.m. - 12:58 p.m.YKF-SEA
9h 58m1 stop
WestJet Logo
1:50 p.m. - 12:46 a.m.SEA-YKF
7h 56m1 stop
C$ 194WestJet
Find Deal
Wed, 21 May - Wed, 28 May
WestJet Logo
6:00 a.m. - 12:58 p.m.YKF-SEA
9h 58m1 stop
WestJet Logo
1:50 p.m. - 12:46 a.m.SEA-YKF
7h 56m1 stop
C$ 205WestJet
Find Deal
Tue, 6 May - Fri, 9 May
WestJet Logo
6:00 a.m. - 12:58 p.m.YKF-SEA
9h 58m1 stop
WestJet Logo
1:50 p.m. - 12:46 a.m.SEA-YKF
7h 56m1 stop
C$ 224WestJet
Find Deal
Mon, 30 Jun - Thu, 10 Jul
WestJet Logo
6:00 a.m. - 12:55 p.m.YKF-LAS
9h 55m1 stop
WestJet Logo
10:00 a.m. - 12:46 a.m.LAS-YKF
11h 46m2 stops
C$ 229WestJet
Find Deal
Tue, 6 May - Fri, 9 May
WestJet Logo
6:00 a.m. - 12:58 p.m.YKF-SEA
9h 58m1 stop
WestJet Logo
7:05 a.m. - 12:46 a.m.SEA-YKF
14h 41m1 stop
C$ 229WestJet
Find Deal
Wed, 21 May - Tue, 27 May
 Logo
6:00 a.m. - 12:55 p.m.YKF-LAS
9h 55m1 stop
 Logo
8:14 a.m. - 7:10 a.m.LAS-YKF
19h 56m2 stops
C$ 341
Find Deal
Tue, 6 May - Mon, 12 May
Flair Airlines Logo
8:25 p.m. - 9:30 a.m.YKF-SFO
16h 05m1 stop
Flair Airlines Logo
10:15 a.m. - 7:10 a.m.SFO-YKF
17h 55m1 stop
C$ 415Flair Airlines
Find Deal
Sat, 14 Jun - Fri, 20 Jun
Flair Airlines Logo
9:25 a.m. - 9:30 a.m.YKF-SFO
27h 05m1 stop
Flair Airlines Logo
10:15 a.m. - 7:25 p.m.SFO-YKF
30h 10m1 stop
C$ 456Flair Airlines
Find Deal
Sun, 1 Jun - Sun, 8 Jun
Flair Airlines Logo
8:25 p.m. - 10:45 a.m.YKF-LAX
17h 20m1 stop
Flair Airlines Logo
11:30 a.m. - 7:10 a.m.LAX-YKF
16h 40m1 stop
C$ 496Flair Airlines
Find Deal
Mon, 5 May - Fri, 9 May
Flair Airlines Logo
9:25 a.m. - 9:30 a.m.YKF-SFO
27h 05m1 stop
Flair Airlines Logo
10:15 a.m. - 7:10 a.m.SFO-YKF
17h 55m1 stop
C$ 516Flair Airlines
Find Deal
Mon, 5 May - Fri, 9 May

KAYAK's insights & trends for Region of Waterloo Intl to the United States flights

Get data-powered insights and trends into flights from Region of Waterloo Intl to the United States to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Toronto Region of Waterloo Intl Airport to the United States 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 Region of Waterloo Intl Airport to the United States.
The cheapest ticket to the United States from Toronto Region of Waterloo Intl Airport found in the last 72 hours was to Las Vegas, at C$ 467 round-trip. The most popular route is from Toronto Region of Waterloo Intl Airport (YKF) to Las Vegas (LAS), and the cheapest round-trip airline ticket found on this route in the last 72 hours was C$ 467.

What is the cheapest time of day to fly to the United States?

The average price for all round-trip flights from Toronto Region of Waterloo Intl Airport to the United States depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to the United States is generally in the afternoon, when round-trip flights cost C$ 143 on average. The most expensive time of day to fly to the United States is generally at night, which is peak travel time and where the average cost of a ticket is C$ 369.

Can I save money by flying with a layover from Toronto Region of Waterloo Intl Airport to the United States?

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$ 206 on average.

What is the cheapest month to fly from Toronto Region of Waterloo Intl Airport to the United States?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Toronto Region of Waterloo Intl Airport to the United States, 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 Region of Waterloo Intl Airport to the United States is March, when tickets cost C$ 148 (return) on average. On the other hand, the most expensive months are June and October, when the average cost of round-trip tickets is C$ 458 and C$ 411 respectively.

What’s the cheapest day of the week to fly from Toronto Region of Waterloo Intl to United States?

The average price of all round-trip flights from Toronto Region of Waterloo Intl Airport to the United States clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Toronto Region of Waterloo Intl to United States, look for departures on Mondays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from United States, Monday is the cheapest day to fly and Friday is the most expensive.

How far in advance should I book a flight from Toronto Region of Waterloo Intl Airport to the United States?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Toronto Region of Waterloo Intl Airport to the United States, 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 Region of Waterloo Intl Airport to the United States, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know

Low season

June

High season

February

Cheapest flight

C$ 116
Best time to beat the crowds but there is an average 11% increase in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Toronto Region of Waterloo Intl to Seattle

FAQs - booking United States flights

  • How does KAYAK find such low prices on flights from Toronto Region of Waterloo Intl to United States?

    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 Region of Waterloo Intl to United States.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto Region of Waterloo Intl to United States?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Toronto Region of Waterloo Intl to United States is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Toronto Region of Waterloo Intl to United States?

    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 from Toronto Region of Waterloo Intl to United States with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto Region of Waterloo Intl to United States?

    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 from Toronto Region of Waterloo Intl to United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Toronto Region of Waterloo Intl to the following destinations at these prices or less: Fort Lauderdale C$ 84 one-way - C$ 135 round-trip; Orlando C$ 85 one-way - C$ 163 round-trip

Top 4 airlines serving from Region of Waterloo Intl to the United States

Need help choosing which airline to fly with from Region of Waterloo Intl to the United States? 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
Porter AirlinesOverall score based on 284 reviews
8.1Comfort
7.0Entertainment
8.2Boarding
8.8Crew
7.6Food
Airline reviews

It was amazing although they did bump us up to the front which gave us more leg room and a meal. The service was great! The staff were friendly. :)

10.0 ExcellentDiane, Apr 2025YYZ - TPA
Read more Porter Airlines reviews

It was amazing although they did bump us up to the front which gave us more leg room and a meal. The service was great! The staff were friendly. :)

Overall very good... staff were friendly and helpful. boarding was good for the most part, but a little hard to get our carry-on bags on there.... I think people should be directed to keep their coats and small bags with them until all the carry-ons are loaded, and then, if there is space, they can put their small bags and coats up top.. makes it much easier to put baggage up. i loved the internet feature, but the entertainment was not there unless you have your own Netflix or similar platform. My chair did not recline, which was very annoying, and the arms won't go up near the isle, which makes it tough to get in and out of the seat.

Staff were excellant. Only snacks served. Some turbulence so we were offered Free beer or wine.

The staff is always great. Just the fact that our flight was the only one delayed from Halifax when all other carries were still flying. It happen a year ago out of Toronto as well. All others were flying but our flight got cancelled 1 hr before the time of departure.

The only issue had when i mentioned about comfort was the man beside me was on the larger side and took about 1/3 of my seat where i was pressed against the wall/window of the plane for the trip.

The check-in staff, boarding staff, and flight crew were all very friendly. Really miss the Porter lounge in Ottawa.

Thanks for giving a beer to everyone in the seat infront of me and then telling me that I can’t have one because they are going to land. I guess I need to pay for a seat and then pick one in the very front of the plane

The flight was delayed by more than one hour. The terminal was consequently overcrowded and hot. We lost our car reservation and hit rush hour traffic in Boston, which added two hours stuck in traffic to our trip.

Awesome, the whole way through. Thank you, this is the new Canadian Airline benchmark.

We were given a complimentary seat upgrade which was so unexpected but so lovely!

Internet on both flights was sketchy. Thus in flight entertainment was non- existent on MN - Balrimote leg.

We never had an experience they canceled the flight and they did not offer us an alternative flight. I had to book one on my own expense. They offered us food voucher and we could not use them at the airport it kept saying not attached to an existing flight. The people at the counter were rude and cold and they did not care about our situation

It took 30 minutes to check in with the Westjet rep. They didn’t have enough seats and she needed to make a call… I am always “randomly” selected to be checked at security. Their “randomly “ selection system may need some updating. They treat people like criminals. It is not appropriate behavior.

Found the seats very crowded—too close together ! And waited a long time for our luggage All staff at both ends were excellent!!!

Flight cancelled and Kayak switched our return flight to a red eye. Ridiculous.

Will never book through you again. Very disappointed in the notices and action taken or provided when planes are rescheduled, enough to cause missed connections

Lost my luggage. Filed a report and there is no response. Received a phone call from another airline that said they had the bag and they did not know what to do with it

Very good over all , would have been nice to have entertainment on the flight

Absolutely the worst airline I have ever taken. They lost my baggage and told me my bag tags had been cancelled. When my bags arrived days later I had to pick them up at 3:15 am. My return flight was delayed another 6 hours and they broke my bag. Westjet does nothing to try and make it a better customer experience and all the customers services representatives I spoke with were useless and incompetent. Never flying westjet again.

Easy self checkin and baggage drop. No in seat entertainment, but wifi and app worked well

Overall good experience. The flight from Toronto to Denver does not have entertainment - movies to watch.

Ensure prepaid food arrangements are appropriately understood by flight crew of who purchased and who did not

All was fine. Weather was a bit stormy, but nothing kayak can do about that! 😊

I paid for a comfort class seat and was seated in economy.

My plane was cancelled and had to be rebook for the evening was not happy.

The flight was cancelled and we had to rebook on Porter to make our cruise the next day. Air Canada has not compensated. We won’t be flying with them again. This is the second time this has happened. Also the return flight was delayed 2 hours who knows why.

Separated me and my wife and wife’s sister in far apart different seats even though I booked them all together. Just scams after scams to make us pay more. Worst airline

If you want your flight to get delayed constantly for 13+ hours and given a 10 dollar food voucher the. I would say take air canada. Worst experience ever.

My flight was cancelled and I was left to figure out where to find a hotel, something to eat and how to get a new flight at 11:30pm. Wasted a day. Thanks, Air Canada!

flight was delayed 6 hours for weather, then cancelled because of the crash in toronto, but none of the links to cancel or rebook my flights are working

Leg room was terrible and seats very narrow. Flight was also delayed.

The worst airline experience that I ever had in my life. The fare was cheap but boy do you pay for it when it comes to baggages, carry-ons, food on board and lack of available staff at check-in. Almost every other passenger on my flight had the same complaints and experience. We all bonded discussing our displeasure. My husband and I will definitely not be traveling with Flair Airlines. We'll take anyone else.

The most uncomfortable plane I ever fly on. The seats won't even recline a little. For a 5 hrs flight at night and tired it felt like torture

Seats in 1 res are dispersed all over the plane, even child was across

Personally, I will not use this fight again. The service is poor, you have to buy even water. They don't provide anything even sneak, you have to buy. They said Personally items for 7 kg. Then they use some measurements, if you have 7kg and if it's not getting inside of their measurements, you have to pay 80$ this is robbery. I will prefer other flight then this. I am désappointement taking this airplane.

It’s a shameful company. It ask as to go to counter to take the boarding pass, they simply send it by email, just to check the bags’ size in a smaller than normal template. DONT USE FLAIR! It will be more expensive than normal airlines at the end.

flight was okay, no wifi, no free drinks but worst of all they lost my son's bike for four days. Customer service was nonexistent - call a number that leaves you on perpetual hold, there's no baggage folks in the baggage claims area (in vancouver). we went up to international and nobody was at ticketing, went to domestic and they had us fill out a form. they could not tell us where the bag was. Anyway, highly recommend you drop an airtag for anything that's worth more than $500. My son's bike costs a lot more than that to replace; I was on pins and needles for four days.

The crew of this flight, specially the flight attendant in the front were the sweetest I’ve had in all my life, I genuinely hope they get a race or sum cuz of their efforts. It was just quite unsettling that the flight took so long to departure. It was supposed to leave at 10:35pm and we ended up taking off at 11:22pm…👎🏻👎🏻👎🏻

It’s bare bones but was on time so can’t complain.

Of all the countries I've flown to and airlines from around the world, I have never had such a dismissive an arrogant employee during boarding. After waiting in line for 20 minutes to board, I was sent to a second line for Passport verification. Natalie from Flair, repeatedly tried to scan my passport which didn't work for some reason but was too lazy to input my information manually. Bar code scanners aren't 100% reliable as we all know. She asked me my birthdate 3 times, made me wait to be the last person aboard and then smugly threatened me that my only bag could be charged for (same backpack I used as on my arrival as carry on). Natalie working in Ft. Lauderdale and the was the epitome of lobotomized tiktok brain with the charm of junk mail.

Everything you need to know for your flight from Region of Waterloo Intl to the United States

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