
CA $161 Cheap Flights from Baltimore (BWI) to Seattle (SEA)
Popular airlines from Baltimore Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA)
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap flights from Baltimore (BWI) to Seattle (SEA)
Prices were available within the past 7 days and start at CA $161 for one-way flights and CA $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.









Alternative airports near Seattle
Prices were available within the past 7 days. Prices and availability are subject to change.
Frequently asked questions
Travel information
Origin airport | Baltimore Washington Intl. Thurgood Marshall |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United |
Roundtrip price | CA $321 |
Distance | 3725 km |
Average flight time | 3 hours 54 mins |
Book with confidence
Baltimore to Seattle Flights
The easy way to book your flights from Baltimore to Seattle
With Expedia, it’s simple to find and book flights to Seattle from Baltimore whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Baltimore to Seattle today, tomorrow, or this week.
Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to Seattle - Tacoma Intl., SEA
Sort your search results by price to find great deals on your flight from Baltimore to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Baltimore currently is just CA $321 rising to CA $800.
Here are more money-saving tips:
- Fly in August when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to Seattle
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to Seattle from Baltimore
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.
Explore a world of travel with Expedia
- Flights from Orlando (MCO) to Seattle (SEA)
- Flights from Lethbridge (YQL) to Seattle (SEA)
- Flights from Great Falls (GTF) to Seattle (SEA)
- Flights from Nanaimo (YCD) to Seattle (SEA)
- Flights from Bellingham (BLI) to Seattle (SEA)
- Flights from Ottawa (YOW) to Seattle (SEA)
- Flights from Boston (BOS) to Seattle (SEA)
- Flights from Terrace (YXT) to Seattle (SEA)
- Flights from Beijing (PEK) to Seattle (SEA)
- Flights from Québec (YQB) to Seattle (SEA)
- Flights from Las Vegas (LAS) to Seattle (SEA)
- Flights from Harrisburg (MDT) to Seattle (SEA)
- Flights from Saskatoon (YXE) to Seattle (SEA)
- Flights from Jacksonville (JAX) to Seattle (SEA)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from Richmond (RIC) to Seattle (SEA)
- Flights from Atlanta (ATL) to Seattle (SEA)
- Flights from Thunder Bay (YQT) to Seattle (SEA)
- Flights from Fresno (FAT) to Seattle (SEA)
- Flights from Charlotte (CLT) to Seattle (SEA)
- Flights from Istanbul (IST) to Seattle (SEA)
- Flights from Kansas City (MCI) to Seattle (SEA)
- Flights from St. Louis (STL) to Seattle (SEA)
- Flights from Cancun (CUN) to Seattle (SEA)
- Flights from Toronto (YYZ) to Seattle (SEA)
- Flights from Regina (YQR) to Seattle (SEA)
- Flights from Sacramento (SMF) to Seattle (SEA)
- Flights from Vancouver (YVR) to Seattle (SEA)
- Flights from Kalispell (FCA) to Seattle (SEA)
- Flights from Penticton (YYF) to Seattle (SEA)
- Flights from Grande Prairie (YQU) to Seattle (SEA)
- Flights from Kitchener (YKF) to Seattle (SEA)
- Flights from Dubai (DXB) to Seattle (SEA)
- Flights from San Jose (SJC) to Seattle (SEA)
- Flights from Toronto (YTO) to Seattle (SEA)
- Flights from Montreal (YUL) to Seattle (SEA)
- Flights from Minneapolis (MSP) to Seattle (SEA)
- Flights from Hamilton (YHM) to Seattle (SEA)
- Flights from Abbotsford (YXX) to Seattle (SEA)
- Flights from Des Moines (DSM) to Seattle (SEA)
- Flights from Tokyo (NRT) to Seattle (SEA)
- Flights from Raleigh (RDU) to Seattle (SEA)
- Flights from Prince George (YXS) to Seattle (SEA)
- Flights from Ontario Intl. Airport (ONT) to Seattle (SEA)
- Flights from Miami (MIA) to Seattle (SEA)
- Flights from Spokane (GEG) to Seattle (SEA)
- Flights from Orange County (SNA) to Seattle (SEA)
- Flights from Edmonton (YEG) to Seattle (SEA)
- Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)
- Flights from Cleveland (CLE) to Seattle (SEA)
- Flights from Indianapolis (IND) to Seattle (SEA)
- Flights from Kamloops (YKA) to Seattle (SEA)
- Flights from Austin (AUS) to Seattle (SEA)
- Flights from London (LHR) to Seattle (SEA)
- Flights from Portland (PDX) to Seattle (SEA)
- Flights from Chilliwack (YCW) to Seattle (SEA)
- Flights from London (YXU) to Seattle (SEA)
- Flights from Detroit (DTW) to Seattle (SEA)
- Flights from Syracuse (SYR) to Seattle (SEA)
- Flights from Palm Springs (PSP) to Seattle (SEA)
- Flights from Halifax (YHZ) to Seattle (SEA)
- Flights from Calgary (YYC) to Seattle (SEA)
- Flights from Hong Kong (HKG) to Seattle (SEA)
- Flights from Pittsburgh (PIT) to Seattle (SEA)
- Flights from Denver (DEN) to Seattle (SEA)
- Flights from Phoenix (PHX) to Seattle (SEA)
- Flights from Chicago (ORD) to Seattle (SEA)
- Flights from Nashville (BNA) to Seattle (SEA)
- Flights from Port Angeles (CLM) to Seattle (SEA)
- Flights from Manila (MNL) to Seattle (SEA)
- Flights from San Diego (SAN) to Seattle (SEA)
- Flights from Washington (IAD) to Seattle (SEA)
- Flights from Taipei (TPE) to Seattle (SEA)
- Flights from Mumbai (BOM) to Seattle (SEA)
- Flights from Shanghai (PVG) to Seattle (SEA)
- Flights from Tampa (TPA) to Seattle (SEA)
- Flights from Winnipeg (YWG) to Seattle (SEA)
- Flights from Hyderabad (HYD) to Seattle (SEA)
- Flights from Sudbury (YSB) to Seattle (SEA)
- Flights from Buffalo (BUF) to Seattle (SEA)
- Flights from Philadelphia (PHL) to Seattle (SEA)
- Flights from Fort Lauderdale (FLL) to Seattle (SEA)
- Flights from Dallas (DFW) to Seattle (SEA)
- Flights from Houston (HOU) to Seattle (SEA)
- Flights from San Francisco (SFO) to Seattle (SEA)
- Flights from New York (JFK) to Seattle (SEA)
- Flights from Anchorage (ANC) to Seattle (SEA)
- Flights from San Antonio (SAT) to Seattle (SEA)
- Flights from Oakland (OAK) to Seattle (SEA)
- Flights from Kahului (OGG) to Seattle (SEA)
- Flights from Washington (DCA) to Seattle (SEA)
- Flights from Cranbrook (YXC) to Seattle (SEA)
- Flights from Seoul (ICN) to Seattle (SEA)
- Flights from Delhi (DEL) to Seattle (SEA)
- Flights from Bogotá (BOG) to Seattle (SEA)
- Flights from Toronto (YTZ) to Seattle (SEA)
- Flights from Kelowna (YLW) to Seattle (SEA)
- Flights from Honolulu (HNL) to Seattle (SEA)
- Flights from Victoria (YYJ) to Seattle (SEA)
- Flights from Salt Lake City (SLC) to Seattle (SEA)