SEA - BOS

C$ 138 Find cheap flights from Seattle to Boston

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Boston departing on 6/12. 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 Boston

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Boston, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Boston, as well as popular online travel agencies
In the last 7 days, travellers have searched 47,946,175 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheap flight deals from Seattle to Boston (SEA-BOS)

 
These are the cheapest deals for flights from Seattle to Boston currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. 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 Seattle to Boston

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Seattle to Boston.

Recent one-way flight deals from Seattle to Boston

Only flying one-way? Below are some of the best one-way flight deals from Seattle to Boston found on KAYAK recently.

Recent last-minute flight deals from Seattle to Boston

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Seattle to Boston.

Recent direct flight deals from Seattle to Boston

The latest deals for direct flights from Seattle to Boston so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Seattle to Boston

Find recent round-trip train or bus tickets from Seattle to Boston.

All round-trip flight deals to Boston

The cheapest plane tickets to Boston found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
3:55 p.m. - 12:20 a.m.SEA-BOS
5h 25mdirect
7:00 a.m. - 10:45 a.m.BOS-SEA
6h 45mdirect
C$ 271Delta
Find Deal
Mon, 9 Dec - Thu, 12 Dec
11:05 a.m. - 7:15 p.m.SEA-BOS
5h 10mdirect
6:29 a.m. - 9:50 a.m.BOS-SEA
6h 21mdirect
C$ 274JetBlue
Find Deal
Thu, 5 Dec - Wed, 11 Dec
3:40 p.m. - 11:59 p.m.SEA-BOS
5h 19mdirect
7:54 p.m. - 11:31 p.m.BOS-SEA
6h 37mdirect
C$ 275Alaska Airlines
Find Deal
Thu, 5 Dec - Sun, 8 Dec
7:30 a.m. - 4:02 p.m.SEA-BOS
5h 32mdirect
7:00 a.m. - 10:45 a.m.BOS-SEA
6h 45mdirect
C$ 277Delta
Find Deal
Thu, 5 Dec - Wed, 11 Dec
9:59 p.m. - 6:54 p.m.SEA-BOS
17h 55m1 stop
7:54 p.m. - 11:31 p.m.BOS-SEA
6h 37mdirect
C$ 288Alaska Airlines
Find Deal
Fri, 6 Dec - Sun, 8 Dec
11:17 p.m. - 7:30 a.m.SEA-BOS
5h 13mdirect
7:19 p.m. - 10:38 p.m.BOS-SEA
6h 19mdirect
C$ 303JetBlue
Find Deal
Sun, 23 Feb - Thu, 27 Feb
5:00 a.m. - 3:48 p.m.SEA-BOS
7h 48m1 stop
12:12 p.m. - 9:11 p.m.BOS-SEA
11h 59m2 stops
C$ 365United Airlines
Find Deal
Fri, 10 Jan - Sat, 18 Jan
7:30 a.m. - 10:10 p.m.SEA-BOS
11h 40m2 stops
1:25 p.m. - 11:20 p.m.BOS-SEA
12h 55m2 stops
C$ 372Southwest
Find Deal
Thu, 9 Jan - Tue, 14 Jan
7:15 a.m. - 10:12 p.m.SEA-BOS
11h 57m1 stop
10:57 a.m. - 4:16 p.m.BOS-SEA
8h 19m1 stop
C$ 380United Airlines
Find Deal
Mon, 6 Jan - Mon, 13 Jan
6:50 a.m. - 8:20 a.m.SEA-BOS
22h 30m2 stops
7:00 a.m. - 10:55 p.m.BOS-SEA
18h 55m2 stops
C$ 393Southwest
Find Deal
Mon, 9 Dec - Thu, 12 Dec
11:00 a.m. - 7:20 p.m.SEA-BOS
5h 20mdirect
C$ 138JetBlue
Find Deal
Fri, 6 Dec
5:45 p.m. - 5:29 a.m.SEA-BOS
8h 44m1 stop
C$ 152American Airlines
Find Deal
Tue, 7 Jan
11:55 p.m. - 12:45 p.m.SEA-BOS
9h 50m1 stop
C$ 158United Airlines
Find Deal
Mon, 9 Dec
10:50 p.m. - 6:54 p.m.SEA-BOS
17h 04m1 stop
C$ 159Alaska Airlines
Find Deal
Mon, 9 Dec
11:55 p.m. - 10:49 a.m.SEA-BOS
7h 54m1 stop
C$ 165United Airlines
Find Deal
Thu, 5 Dec
11:35 a.m. - 7:45 p.m.SEA-BOS
5h 10mdirect
C$ 166JetBlue
Find Deal
Thu, 28 Nov
10:50 p.m. - 6:54 p.m.SEA-BOS
17h 04m1 stop
C$ 187Alaska Airlines
Find Deal
Thu, 5 Dec
3:30 p.m. - 11:59 p.m.SEA-BOS
5h 29mdirect
C$ 194Delta
Find Deal
Wed, 7 May
7:30 a.m. - 4:02 p.m.SEA-BOS
5h 32mdirect
C$ 208Delta
Find Deal
Thu, 28 Nov
6:11 a.m. - 9:07 p.m.SEA-BOS
11h 56m2 stops
C$ 236Spirit Airlines
Find Deal
Tue, 7 Jan
11:29 p.m. - 7:55 a.m.SEA-BOS
5h 26mdirect
7:00 a.m. - 10:45 a.m.BOS-SEA
6h 45mdirect
C$ 443Delta
Find Deal
Sat, 23 Nov - Sun, 8 Dec
8:19 p.m. - 3:47 p.m.SEA-BOS
16h 28m1 stop
7:54 p.m. - 11:31 p.m.BOS-SEA
6h 37mdirect
C$ 456Alaska Airlines
Find Deal
Sat, 23 Nov - Sun, 8 Dec
12:55 a.m. - 1:47 p.m.SEA-BOS
9h 52m1 stop
7:00 a.m. - 10:45 a.m.BOS-SEA
6h 45mdirect
C$ 513Delta
Find Deal
Fri, 22 Nov - Sun, 8 Dec
11:35 a.m. - 7:45 p.m.SEA-BOS
5h 10mdirect
7:00 a.m. - 10:25 a.m.BOS-SEA
6h 25mdirect
C$ 569JetBlue
Find Deal
Mon, 25 Nov - Fri, 29 Nov
9:40 p.m. - 5:47 a.m.SEA-BOS
5h 07mdirect
7:07 a.m. - 12:58 p.m.BOS-SEA
8h 51m1 stop
C$ 616Alaska Airlines
Find Deal
Sun, 24 Nov - Mon, 25 Nov
11:35 a.m. - 7:45 p.m.SEA-BOS
5h 10mdirect
7:00 a.m. - 10:25 a.m.BOS-SEA
6h 25mdirect
C$ 653JetBlue
Find Deal
Sun, 24 Nov - Fri, 29 Nov
5:00 a.m. - 6:20 p.m.SEA-BOS
10h 20m2 stops
6:30 p.m. - 12:25 a.m.BOS-SEA
8h 55m1 stop
C$ 714Southwest
Find Deal
Sat, 23 Nov - Sun, 24 Nov
5:00 a.m. - 6:20 p.m.SEA-BOS
10h 20m2 stops
8:25 a.m. - 6:50 p.m.BOS-SEA
13h 25m2 stops
C$ 721Southwest
Find Deal
Sat, 23 Nov - Sun, 24 Nov
4:35 p.m. - 5:03 a.m.SEA-BOS
9h 28m1 stop
6:00 a.m. - 12:53 p.m.BOS-SEA
9h 53m1 stop
C$ 727United Airlines
Find Deal
Sun, 24 Nov - Fri, 29 Nov
7:10 a.m. - 11:17 p.m.SEA-BOS
13h 07m2 stops
11:40 a.m. - 6:09 p.m.BOS-SEA
9h 29m1 stop
C$ 784United Airlines
Find Deal
Sun, 24 Nov - Mon, 25 Nov
3:55 p.m. - 12:20 a.m.SEA-BOS
5h 25mdirect
7:00 a.m. - 10:45 a.m.BOS-SEA
6h 45mdirect
C$ 271Delta
Find Deal
Mon, 9 Dec - Thu, 12 Dec
11:05 a.m. - 7:15 p.m.SEA-BOS
5h 10mdirect
6:29 a.m. - 9:50 a.m.BOS-SEA
6h 21mdirect
C$ 274JetBlue
Find Deal
Thu, 5 Dec - Wed, 11 Dec
11:05 a.m. - 7:15 p.m.SEA-BOS
5h 10mdirect
6:29 a.m. - 9:50 a.m.BOS-SEA
6h 21mdirect
C$ 275JetBlue
Find Deal
Thu, 5 Dec - Thu, 12 Dec
3:50 p.m. - 12:14 a.m.SEA-BOS
5h 24mdirect
6:40 p.m. - 10:15 p.m.BOS-SEA
6h 35mdirect
C$ 277Delta
Find Deal
Thu, 5 Dec - Wed, 11 Dec
7:00 a.m. - 3:13 p.m.SEA-BOS
5h 13mdirect
7:00 a.m. - 10:37 a.m.BOS-SEA
6h 37mdirect
C$ 289Alaska Airlines
Find Deal
Wed, 4 Dec - Tue, 10 Dec
11:17 p.m. - 7:30 a.m.SEA-BOS
5h 13mdirect
7:19 p.m. - 10:38 p.m.BOS-SEA
6h 19mdirect
C$ 303JetBlue
Find Deal
Sun, 23 Feb - Fri, 28 Feb
7:00 a.m. - 3:13 p.m.SEA-BOS
5h 13mdirect
7:00 a.m. - 10:37 a.m.BOS-SEA
6h 37mdirect
C$ 317Alaska Airlines
Find Deal
Wed, 4 Dec - Wed, 11 Dec
11:35 p.m. - 8:02 a.m.SEA-BOS
5h 27mdirect
6:59 p.m. - 10:23 p.m.BOS-SEA
6h 24mdirect
C$ 331Delta
Find Deal
Sun, 5 Jan - Sun, 12 Jan
7:55 a.m. - 4:24 p.m.SEA-BOS
5h 29mdirect
5:55 p.m. - 9:34 p.m.BOS-SEA
6h 39mdirect
C$ 337Alaska Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
11:30 p.m. - 7:44 a.m.SEA-BOS
5h 14mdirect
7:00 a.m. - 10:23 a.m.BOS-SEA
6h 23mdirect
C$ 387Alaska Airlines
Find Deal
Thu, 6 Mar - Tue, 8 Apr

Flights from Seattle to Boston - Travel Insights & Trends

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

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

The average price of all flights from Seattle to Boston clicked on KAYAK for each day over the last 12 months.
When flying from Seattle to Boston, you should consider leaving on a Sunday and avoid Saturdays if you are looking for the best rates. For your return to Seattle, you’ll find the best rates on Mondays and the most expensive ones on Thursdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Boston, 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 Seattle to Boston is January, where tickets cost C$ 330 on average. On the other hand, the most expensive months are July and June, where the average cost of tickets is C$ 745 and C$ 707 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seattle to Boston, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Seattle to Boston, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 131 days before departure.

Good to know

Low season

January

High season

August

Cheapest flight

C$ 138
Best time to beat the crowds (37% less expensive on average)
Most popular time to fly (30% more expensive on average)
Flight from Seattle to Boston

When to book flights from Seattle to Boston

Are your dates flexible? Find out the best times to travel from Seattle to Boston 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 Seattle to Boston

  • Where can I find bus services at Logan airport?

    Moving around the Logan airport is the least of your worries since the airport provides free bus services. They ferry travelers to various spots at varying intervals. The buses are easy to board and to load luggage, thanks to their low floors. They also have a wheelchair lift, making them friendly to the disabled. You’ll find them to the south of each terminal.

  • What assistance can I get at the Seattle airport?

    The airport works toward giving travelers a memorable experience when waiting for their flights. You can find advanced facilities and welcoming staff to help you move around and offer you all the assistance needed. The disabled can access wheelchair services, which the airport provides at no cost upon making a reservation.

  • How fast can I get accommodation upon landing at Logan airport?

    You can get accommodation near Logan airport for approximately $144. Take a free shuttle bus at the terminals to access hotels such as the Homewood Suites, located 3.5 miles away. Enjoy an indoor pool table, Wi-Fi, and a fitness center. The hotel serves complimentary breakfast too.

  • What can keep me busy as I wait for my flight to Seattle Airport?

    Travelers can enjoy a walking tour to explore attractions in the neighborhood using underground paths and learn about the history. Waiting for your flight does not have to be boring, as there is too much fun around the airport.

  • What is the cheapest flight from Seattle to Boston?

    In the last 3 days, the lowest price for a flight from Seattle to Boston was C$ 99 for a one-way ticket and C$ 194 for a round-trip.

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

    All the following airlines offer inflight Wi-Fi service on the Seattle to Boston flight route: JetBlue, Alaska Airlines, American Airlines, Hawaiian Airlines, Lufthansa, KLM, and Virgin Atlantic.

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

    The Airbus A321neo is the aircraft model that flies most regularly on the Seattle to Boston flight route.

  • Which airline alliances offer flights from Seattle to Boston?

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Seattle to Boston are Alaska Airlines and Delta. With an average price for the route of C$ 494 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$ 367 and an overall rating of 8.0.

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

    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 Seattle to Boston.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boston from Seattle 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 Seattle to Boston?

    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 Boston with an airline and back to Seattle with another airline.

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

    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 Boston from Seattle 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 Seattle to Boston

  • Looking for a cheap flight? 25% of our users found flights on this route for C$ 253 or less one-way and C$ 403 or less round-trip.
  • Seattle International Airport offers tranquil air services to travelers flying to Boston. You can book one among the several nonstop flights and land at Logan International Airport. Airlines operating on this route include Alaska and American Airlines.
  • If you are departing from Seattle airport, you can park your car and fly with your keys. You’ll find dedicated staff to assist you in parking and even carry your bags to the airport. What more, you enjoy a complimentary bottle of water as you head to the terminals.
  • While at Seattle airport, you can enjoy free Wi-Fi and take snacks and drinks at the elegant lounges that the facility has to offer. You can book your lounge tickets that cost around $49. At Courtyard A, you’ll find the Club Sea lounge that serves beer and other beverages.
  • Seattle airport features multiple artistic works that include photography, sculpture, and painting, among others. Travelers can explore creative artwork by reputable artists such as Robert Rauschenberg.
  • Travelers enjoy a variety of dining services as they wait to depart from Seattle International Airport. There are gift shops, fashion brands, and duty-free services offered at the waiting halls.
  • For those travelers with young kids, Seattle airport provides nursing rooms located in various areas. Find one in the Children Play Area at Concourse A. Another nursing room exists in Concourse D next to D24. You’ll also find one above checkpoint 3.
  • Travelers landing at Logan International Airport can access the United Club lounge located in Terminal B at $59 for adults. The lounge serves drinks, premium food, snacks, and breakfast. Other services include printing, photocopies, and free Wi-Fi.
See more tips

Prefer to fly non-stop from Seattle to Boston?

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

Nonstop departures

Seattle/Tacoma Intl to Boston Logan Intl

Monday

Aer Lingus,Air France,Air Tahiti Nui, +12 more

Aer Lingus,Air France, +13 more

Tuesday

Aer Lingus,Air France,Air Tahiti Nui, +13 more

Aer Lingus,Air France, +14 more

Wednesday

Aer Lingus,Air France,Air Tahiti Nui, +11 more

Aer Lingus,Air France, +12 more

Thursday

Aer Lingus,Air France,Air Tahiti Nui, +15 more

Aer Lingus,Air France, +16 more

Friday

Aer Lingus,Air France,Air Tahiti Nui, +12 more

Aer Lingus,Air France, +13 more

Saturday

Aer Lingus,Air France,Air Tahiti Nui, +14 more

Aer Lingus,Air France, +15 more

Sunday

Aer Lingus,Air France,Air Tahiti Nui, +14 more

Aer Lingus,Air France, +15 more

See more nonstop flights

Nonstop returns

Boston Logan Intl to Seattle/Tacoma Intl

Monday

Air France,Air Tahiti Nui,Alaska Airlines, +14 more

Air France,Air Tahiti Nui, +15 more

Tuesday

Air France,Air Tahiti Nui,Alaska Airlines, +11 more

Air France,Air Tahiti Nui, +12 more

Wednesday

Air France,Air Tahiti Nui,Alaska Airlines, +11 more

Air France,Air Tahiti Nui, +12 more

Thursday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Friday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Saturday

Air France,Air Tahiti Nui,Alaska Airlines, +13 more

Air France,Air Tahiti Nui, +14 more

Sunday

Air France,Air Tahiti Nui,Alaska Airlines, +12 more

Air France,Air Tahiti Nui, +13 more

See more nonstop flights
See more nonstop flights

Top 3 airlines serving from Seattle to Boston

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Boston. 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 Seattle to Boston? 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 9458 reviews
7.1Entertainment
7.9Comfort
8.5Crew
8.2Boarding
7.2Food
Airline reviews

SeaTac was a mess first class check-in not clearly identified Temporary signage needed since only one door into Alaska check-in area directed you to coach baggage check.

6.0 GoodBruce, Nov 2024SEA - LAX
Read more Alaska Airlines reviews

SeaTac was a mess first class check-in not clearly identified Temporary signage needed since only one door into Alaska check-in area directed you to coach baggage check.

We could not find a parking spot in the garage so we left airport to find a parking lot. We were late and afraid we would miss our flight. We were greeted at the new Alaska check in and I was really upset. She got two people to put us in wheelchairs and we flew through the airport and security. Then all the way to the N gate and on to the plane. Somehow they hadn’t taken off. These two individuals deserve a medal for getting us to our flight and onto the plane. It all started with the wonderful greeter at check in. I wish we’d gotten her name and the two who got us there.

When I made my transfer from my flight from Missoula to Seattle to Seattle to San Jose, the gate was at the opposite end of the airport, which I thought was inconvenient since there were so many gates for Alaska right where I landed that everything was good

Cabin was a bit cold. Didn’t seem like they turned up the heat until we were half way. All personnel were wonderful.

Really appreciate the water offered in addition to the beverage service.

On this flight, seemed like attendants just went up and down isle collecting garbage and recycling. I must have heard it 10 times, which was annoying. Serving a snack/beverage was appreciated. Collect rubbish twice, not 10 times, chanting up/down isle calling out "garbage....recycling......garbage.......recycling........." etc. All else was fine.

I described the issue I had with getting to the flight in my previous comments.

There was a engine problem, so we had to deboard and wait on a new plane but that just happens sometimes, and crew was very efficient and nice.

Cathay Pacific is an excellent, well-maintained airline. While I too would love to fly first, or business class, I did not. I actually had the dreaded middle seat in the middle row, and yet, since I am an inquisitive traveler, I introduced myself to my row mates and had nice chats with both until lights out. Pro tip: Bring a donut travel pillow no matter where your seat is! The flight was smooth, the restrooms clean and the staff courteous and efficient. I gave the comfort level a 4 because of the reasons listed above. The airline meals... let's face it ... it's airplane food but CP does a good job in making it as edible as possible.

I was not able to figure out how to get the entertainment. But the flight was smooth and quick.

The food was good. I ate gnocchi with marinara sauce and cheese, salted caramel tiramisu. And later in the trip cheese calzone. I watched 3 movies. The selection is really good. Have new and old movies. The flight attendances were nice and cordially. Overall the 6 hours trip was really pleasant ☺️. Planning the next trip.

Coach seating is debilitating, neither my husband or I can walk the following day

Delta flight was great from the check in all the way to arrival. However, I had a very bad experience. I requested a wheelchair and the wheelchair employee that went to pick me up from the plane in Boston to bring me to the baggage claims told me I have to pay him. I was under the impression that it was a free service and I usually give tips but the person forced me to pay and since I said no because I was upset with his demand when my daughter walked in to pick me up he demanded payment from my daughter who paid him thinking maybe now it is a charged service.

Late departure due to large number of wheel chair patrons. Used to having a box of snacks to select from in comfort plus. The flight attendant just rattled off what was available and asked us to pick. Felt rushed and uncomfortable. Seat was great. Prefer having the screen on the seat in front of me instead of having to pull it up from the seat side. Lots of room for my carryon under the seat in front of me.

The important things including boarding and the flight being on time and safe were excellent. The disappointment comes from the comfort and amenities. Was misled by the "availability" of inflight internet- there is an extra cost. The tray table was broken, the bathroom door stuck and flight attendants were competent but not very friendly.

Flight was over 2 hours late which made us miss our connecting flight.

The flight was canceled two hours before departure, it took over five hours to rebook us on another flight.

You could have not cancelled the flight (AA, which I will be flying from now on) left for BOS despite the fictitious weather issues (that no one in my Boston family could see). You could have rebooked my direct flight to another direct flight instead of sending me though JFK, the worst US airport after O’Hara You could have rebooked me on a Main Cabin seat (like the one I paid for in my original ticket instead of putting me a the last row on JFK->BOS leg, pocketing the difference in ticket price But I do not really care whether you will ever do that in a future because in a future neither I nor anyone from my company (unless they pay out of pocket) nor an of my clients and partners (if they heed my advice) will ever be caught dead on any of Delta flights

Really bad baggage handling. Had my Rimowa bag badly damaged at the latches.

Rated entertainment as Mediocre as there were major problems with the Infotainment system that took probably a half hour for them to fix.

Smooth boarding and friendly crew. Unfortunately as soon as we boarded the unit that provides air circulation failed. The pilot informed us and requested maintenance technicians to check it out. The plane became uncomfortably warm without any fresh air coming in. Plus the repair delayed our departure. I am glad the maintenance crew were able to fix the problem. I also was without use of my tv monitor for the first 1/3rd of the trip.

Communication with the customer and stay is important. Staff off with a minor inconvenience but it worked out of course. Also this was a very old Mint Class plane. They snuck this one in on us. The updated aircraft are much better.

I paid for the service of having the right to choose my seat and it was not like that, they put me where they wanted and I explained to one of the staff that they were before boarding and they were very rude. I am traveling with the family and they put us in separate seats.

Everything was great except for some reason crew and ground crew could not figure out how to deal with an electric wheelchair and it delayed us 20-30mins. Was pretty frustrating for passengers and the captain.

Great! I love Jet Blue. My favorite airline! Very efficient, clean and timely.

We were told that our flight would be delayed for 90+ minutes because of weather, so we went to get something to eat only to have them randomly start boarding 15 minutes after the announcement, with no warning.

Entertainment... No earphones passed out. Many including me couldn't use the TV. Legroom was good. Crew was indifferent and a bit surly. Free wifi was a nice convenience. Check in desk location was unknown. Gate number on the boarding passes was wrong.

Confusing. Delay updates were out of whack At one point it said my flight was 25 hours. Three gate changes and two delays only to change back to original departure time. Gate announcer and on board flight attendant (Alejandro) making the announcements was impossible to understand due to accent and speed of speech. After beverage service the rear flight attendants sat back there on their phones. No refills no checking in, one sweep through for trash collection. Very impersonal. Bring back Coke products

Business class is great. New airplane, very comfortable, better than some of the major airlines I am used to

Delayed by almost an hour - I also noticed that all JetBlue flights departing from PBI were delayed yet the weather was perfect.

Book cheap flights from Seattle to Boston

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Seattle to Boston found on KAYAK in the last 72 hours.
6/12Fri
directJetBlue
5h 20mSEA-BOS
C$ 138
7/1Tue
1 stopAmerican Airlines
8h 44mSEA-BOS
C$ 152
9/12Mon
1 stopUnited Airlines
9h 50mSEA-BOS
C$ 158
9/12Mon
1 stopAlaska Airlines
17h 04mSEA-BOS
C$ 159
5/12Thu
1 stopUnited Airlines
7h 54mSEA-BOS
C$ 165
28/11Thu
directJetBlue
5h 10mSEA-BOS
C$ 166
5/12Thu
1 stopAlaska Airlines
17h 04mSEA-BOS
C$ 187
7/5Wed
directDelta
5h 29mSEA-BOS
C$ 194
28/11Thu
directDelta
5h 32mSEA-BOS
C$ 208
7/1Tue
2 stopsSpirit Airlines
11h 56mSEA-BOS
C$ 236

Search by stops

Search by airline

Search by price

Last minute flights from Seattle to Boston

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 Seattle to Boston that are departing in the next 10 days.
23/11Sat
directDelta
5h 26mSEA-BOS
8/12Sun
directDelta
6h 45mBOS-SEA
C$ 443
23/11Sat
multi-stopAlaska Airlines
16h 28mSEA-BOS
8/12Sun
directAlaska Airlines
6h 37mBOS-SEA
C$ 456
22/11Fri
multi-stopDelta
9h 52mSEA-BOS
8/12Sun
directDelta
6h 45mBOS-SEA
C$ 513
25/11Mon
directJetBlue
5h 10mSEA-BOS
29/11Fri
directJetBlue
6h 25mBOS-SEA
C$ 569
24/11Sun
directAlaska Airlines
5h 07mSEA-BOS
25/11Mon
multi-stopAlaska Airlines
8h 51mBOS-SEA
C$ 616
24/11Sun
directJetBlue
5h 10mSEA-BOS
29/11Fri
directJetBlue
6h 25mBOS-SEA
C$ 653
23/11Sat
multi-stopSouthwest
10h 20mSEA-BOS
24/11Sun
multi-stopSouthwest
8h 55mBOS-SEA
C$ 714
23/11Sat
multi-stopSouthwest
10h 20mSEA-BOS
24/11Sun
multi-stopSouthwest
13h 25mBOS-SEA
C$ 721
24/11Sun
multi-stopUnited Airlines
9h 28mSEA-BOS
29/11Fri
multi-stopUnited Airlines
9h 53mBOS-SEA
C$ 727
24/11Sun
multi-stopUnited Airlines
13h 07mSEA-BOS
25/11Mon
multi-stopUnited Airlines
9h 29mBOS-SEA
C$ 784

Search by stops

Search by airline

Search by price

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

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.