Create your free account
Sign in to your account
Cheap Flights from Boston to Seattle from £155.80
Search over 590,000 properties worldwide and 550 airlines worldwide.
No Expedia cancellation fee to change or cancel almost any hotel reservation.
Cheap Flights from Boston to Seattle
Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.
Top Routes from Boston
- Boston to Chicago (BOS - ORD)
- Boston to Newark (BOS - EWR)
- Boston to San Diego (BOS - SAN)
- Boston to Los Angeles (BOS - LAX)
- Boston to London (BOS - LCY)
- Boston to New York (BOS - LGA)
- Boston to Fort Lauderdale (BOS - FLL)
- Boston to Paris (BOS - CDG)
- Boston to London (BOS - STN)
- Boston to New York (BOS - JFK)
- Boston to Dublin (BOS - DUB)
- Boston to Houston (BOS - IAH)
Top Routes to Seattle
- Newark to Seattle (EWR - SEA)
- Amman to Seattle (AMM - SEA)
- Los Angeles to Seattle (LAX - SEA)
- Bristol to Seattle (BRS - SEA)
- London to Seattle (LCY - SEA)
- New York to Seattle (LGA - SEA)
- Leeds to Seattle (LBA - SEA)
- Edinburgh to Seattle (EDI - SEA)
- Karachi to Seattle (KHI - SEA)
- New York to Seattle (JFK - SEA)
- Dublin to Seattle (DUB - SEA)
- Birmingham to Seattle (BHX - SEA)
Boston to Seattle Flights
When looking for plane tickets from Boston to Seattle, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Seattle. Look for BOS to SEA airfare with the assurance that you have the largest online travel agency working for you.
Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Boston Seattle flight!
Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Boston to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.
Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Boston to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
