
Popular airlines from Logan International Airport (BOS) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
- Southwest Airlines
Southwest Airlines
- Sun Country Airlines
Sun Country Airlines
- JetBlue Airways
JetBlue Airways
- Be in the knowGet alerts if flight prices drop or rise*
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Cheap Flights from Boston (BOS) to Seattle (SEA)
Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, 24 May - Wed, 27 May
BOS
Boston
SEA
Seattle
NZ$544 Return, found 3 days ago
NZ$544
Return
found 3 days ago

Wed, 20 May - Tue, 26 May
BOS
Boston
SEA
Seattle
NZ$545 Return, found 3 days ago
NZ$545
Return
found 3 days ago

Tue, 19 May - Wed, 27 May
BOS
Boston
SEA
Seattle
NZ$561 Return, found 3 days ago
NZ$561
Return
found 3 days ago

Tue, 19 May - Sun, 24 May
BOS
Boston
SEA
Seattle
NZ$596 Return, found 3 days ago
NZ$596
Return
found 3 days ago

Thu, 21 May - Tue, 26 May
BOS
Boston
SEA
Seattle
NZ$642 Return, found 3 days ago
NZ$642
Return
found 3 days ago

Mon, 25 May - Wed, 27 May
BOS
Boston
SEA
Seattle
NZ$678 Return, found 3 days ago
NZ$678
Return
found 3 days ago

Mon, 25 May - Tue, 26 May
BOS
Boston
SEA
Seattle
NZ$696 Return, found 3 days ago
NZ$696
Return
found 3 days ago

Tue, 19 May - Mon, 25 May
BOS
Boston
SEA
Seattle
NZ$703 Return, found 3 days ago
NZ$703
Return
found 3 days ago

Fri, 22 May - Mon, 25 May
BOS
Boston
SEA
Seattle
NZ$1,093 Return, found 3 days ago
NZ$1,093
Return
found 3 days ago

Fri, 22 May - Mon, 25 May
BOS
Boston
SEA
Seattle
NZ$1,256 Return, found 3 days ago
NZ$1,256
Return
found 3 days ago
Travel information
Origin airport | Logan Intl. |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Return price | NZ$544 |
Distance | 3980 km |
Average flight time | 4 hours 27 mins |
Book with confidence
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 NZ$272 and roundtrip prices from NZ$544. 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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