
Popular airlines from Boston to Seattle
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- JetBlue Airways
JetBlue Airways
- Sun Country Airlines
Sun Country Airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 15% on select hotels after you book a flight*
Cheap flights from Boston to Seattle (BOS-SEA)
Prices were available within the past 7 days and start at €132 for one-way flights and €262 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, 22 Jan - Wed, 28 Jan
BOS
Boston
SEA
Seattle
€262 Return, found 4 days ago
€262
Return
found 4 days ago

Sun, 25 Jan - Sat, 31 Jan
BOS
Boston
SEA
Seattle
€266 Return, found 1 day ago
€266
Return
found 1 day ago

Sun, 8 Feb - Wed, 11 Feb
BOS
Boston
SEA
Seattle
€267 Return, found 4 days ago
€267
Return
found 4 days ago

Sun, 25 Jan - Sat, 31 Jan
BOS
Boston
SEA
Seattle
€269 Return, found 1 day ago
€269
Return
found 1 day ago

Mon, 26 Jan - Sun, 1 Feb
BOS
Boston
SEA
Seattle
€272 Return, found 1 day ago
€272
Return
found 1 day ago

Sun, 25 Jan - Sat, 31 Jan
BOS
Boston
SEA
Seattle
€274 Return, found 1 day ago
€274
Return
found 1 day ago

Sun, 8 Feb - Wed, 11 Feb
BOS
Boston
SEA
Seattle
€275 Return, found 4 days ago
€275
Return
found 4 days ago

Sun, 15 Mar - Sun, 22 Mar
BOS
Boston
SEA
Seattle
€275 Return, found 5 days ago
€275
Return
found 5 days ago

Sun, 8 Feb - Wed, 11 Feb
BOS
Boston
SEA
Seattle
€313 Return, found 4 days ago
€313
Return
found 4 days ago

Sat, 15 Aug - Sun, 23 Aug
BOS
Boston
SEA
Seattle
€612 Return, found 1 day ago
€612
Return
found 1 day ago
Find the cheapest month to fly from Boston (BOS) to Seattle (SEA)
March is typically the cheapest month to fly
From €135 - €264 per traveller.
Origin airport | Logan Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | American Airlines, Delta, United |
Return price | €262 |
Distance | 3980 km |
Average flight time | 4 hours 53 mins |
Perfect flights from Boston to Seattle
Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
Our flexible Logan Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from €132 and roundtrip prices from €262. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Seattle.
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