Title: £136 Cheap JetBlue Airways flights from Boston to Seattle (BOS→SEA) - Expedia.co.uk ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178307/82efb684-8d05-4b09-b7ea-52d5ab4ea1ac.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £136 Cheap JetBlue Airways flights from Boston to Seattle (BOS→SEA) [View £136 flight on Sat, 12 Sept 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:SEA,departure:12/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:135.10&airProductToken=AQovCi0IwmwSAzM5NxjBkwEgkgEotMuXAzCvzpcDOExAAFgBagJETnIIT0k0QVVFTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## JetBlue Airways flights from Boston to Seattle (BOS→SEA) Prices were available within the past 7 days and start at £136 for one-way flights and £374 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Thu, 21 May - Mon, 1 Jun BOS Boston SEA Seattle £374 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:SEA,departure:21/05/2026TANYT&leg2=from:SEA,to:BOS,departure:01/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:373.70&airProductToken=AQovCi0IwmwSAzM5NxjBkwEgkgEo9MiNAzDwy40DOExAAFgBagJETnIIUkkzQVJFTDEKLwotCMJsEgMzOTgYkgEgwZMBKJbIjgMw5cqOAzhMQABYAWoCRE5yCFVJNEFCRUwxEgoIARABGAEqAkI2GAEiBAgBEAEoAigEKAYwAQ) ## Frequently asked questions ### How much is a JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)? > Landing cheap one-way JetBlue Airways flights from BOS to SEA from £136 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable return fares from £374 for your next getaway.\**\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from BOS to SEA with JetBlue Airways? > January is one of the cheapest months to jet off to Seattle with JetBlue Airways. You could also find great prices on one-way and return fares in February. ### Does JetBlue Airways fly nonstop from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)? > Skip the layovers and fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) on any of JetBlue Airways's 7 weekly direct flights. Use Expedia's "Nonstop" and "Airline" filters to find the JetBlue Airways flight that'll land at SEA at your preferred time. ### How long does it take to fly from BOS to SEA with JetBlue Airways? > The journey time for a direct JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA) typically takes 6h 25m. ### What airports does JetBlue Airways fly into in Seattle? > JetBlue Airways flights from Logan Intl. Airport (BOS) to Seattle come in to Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this destination. ### What type of plane does JetBlue Airways fly from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)? > Book a JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA), and you'll likely be flying on an Airbus A320 family. Bear in mind though, that the aircraft type can change depending on operational reasons. ### Can I change or cancel my JetBlue Airways flight from Logan Intl. Airport (BOS) to Seattle - Tacoma Intl. Airport (SEA)? > Depending on the type of ticket you purchased, a fee typically applies if you modify or cancel your flight more than 24 hours after confirmation. To secure flexible plane tickets, select our "No cancel fee" or "Changes included" filter when you search for flights. For more information on cancelling or changing your reservation, visit "[Trips](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking." ## Travel information | Origin airport | Logan Intl. | | --- | --- | | Destination airport | Seattle - Tacoma Intl. | | Airlines serving | Alaska Airlines | | Popular airline | Alaska Airlines | | Distance | 3980 km | | Average flight time | 4 hours 33 mins | ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [3 Star Hotels in Kent](https://www.expedia.co.uk/3Star-Kent-Hotels.s30-0-d8223.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Bryn Mawr-Skyway](https://www.expedia.co.uk/5Star-Bryn-Mawr-Skyway-Seattle-Hotels.s50-n158768-0.Travel-Guide-Filter-Hotels) - [5 Star Hotels in Kent](https://www.expedia.co.uk/5Star-Kent-Hotels.s50-0-d8223.Travel-Guide-Filter-Hotels) - [Bryn Mawr-Skyway Hotels](https://www.expedia.co.uk/Bryn-Mawr-Skyway-Seattle-Hotels.0-n158768-0.Travel-Guide-Filter-Hotels) - 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