
Popular airlines from Baltimore Washington Intl. Airport (BWI) to Seattle-Tacoma International Airport (SEA)
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- Southwest Airlines
Southwest Airlines
- United
United
- Sun Country Airlines
Sun Country Airlines
- Hawaiian Airlines
Hawaiian Airlines
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Cheap Flights from Baltimore to Seattle (BWI-SEA)
Prices were available within the past 7 days and start at S$129 for one-way flights and S$417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)
January is typically the cheapest month to fly
Origin airport | Baltimore Washington Intl. Thurgood Marshall |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Return price | S$416 |
Distance | 3725 km |
Average flight time | 2 hours 57 mins |
Flights from Baltimore to Seattle
There are several airlines that operate frequent flights from Washington D.C. (BWI) to Seattle (SEA) including
- with 250 flights a week
- Delta Air Lines with 153 flights a week
- American Airlines with 141 flights a week
- United Airlines with 50 flights a week
- Alaska Airlines with 23 flights a week
The earliest flight leaves Baltimore Washington Intl. Thurgood Marshall Airport at 07:20 and arrives at Seattle Tacoma Intl. Airport at 10:00. The last flight of the day departs Washington D.C. at 18:40 and arrives at Seattle at 21:41.
The flight distance from Washington D.C. to Seattle is about 3768 km, the shortest flight is 05 hours 40 minutes with .
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 Baltimore 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 Baltimore 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 Baltimore to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!
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Popular flights from Baltimore
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Popular flights to Seattle
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- Singapore to Seattle (SIN - SEA)
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Washington
Nearby Airports
- Montgomery County Airpark Airport (GAI)
- Ronald Reagan Washington National Airport (DCA)
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