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Flights from Washington, DC (WAS-All Airports) to Seattle-Tacoma International Airport (SEA)
Flights to Seattle
Washington
United States of America
Flights
Expedia.com

Popular airlines from Washington to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Alaska Airlines
American Airlines
Delta
United
Southwest Airlines
Sun Country Airlines
Frontier Airlines

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Cheap Flights from Washington to Seattle (WAS-SEA)

Prices were available within the past 7 days and start at $119 for one-way flights and $238 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Tue, Dec 8 - Wed, Dec 9

BWI

Baltimore

SEA

Seattle

$238

Roundtrip

Found 3 hours ago

Select Southwest Airlines flight, departing Tue, Dec 8 from Baltimore to Seattle, returning Wed, Dec 9, priced at $238 Found 3 hours ago

Tue, Dec 8 - Wed, Dec 9

BWI

Baltimore

SEA

Seattle

$243

Roundtrip

Found 3 hours ago

Select Southwest Airlines flight, departing Tue, Dec 8 from Baltimore to Seattle, returning Wed, Dec 9, priced at $243 Found 3 hours ago

Tue, Nov 10 - Thu, Nov 12

BWI

Baltimore

SEA

Seattle

$248

Roundtrip

Just found

Select Southwest Airlines flight, departing Tue, Nov 10 from Baltimore to Seattle, returning Thu, Nov 12, priced at $248 Just found

Tue, Nov 10 - Thu, Nov 12

BWI

Baltimore

SEA

Seattle

$254

Roundtrip

Just found

Select Southwest Airlines flight, departing Tue, Nov 10 from Baltimore to Seattle, returning Thu, Nov 12, priced at $254 Just found

Tue, Dec 8 - Wed, Dec 9

BWI

Baltimore

SEA

Seattle

$254

Roundtrip

Found 3 hours ago

Select Southwest Airlines flight, departing Tue, Dec 8 from Baltimore to Seattle, returning Wed, Dec 9, priced at $254 Found 3 hours ago

Thu, Oct 29 - Mon, Nov 2

BWI

Baltimore

SEA

Seattle

$259

Roundtrip

Found 1 hour ago

Select Southwest Airlines flight, departing Thu, Oct 29 from Baltimore to Seattle, returning Mon, Nov 2, priced at $259 Found 1 hour ago

Tue, Nov 10 - Thu, Nov 12

BWI

Baltimore

SEA

Seattle

$264

Roundtrip

Just found

Select Delta flight, departing Tue, Nov 10 from Baltimore to Seattle, returning Thu, Nov 12, priced at $264 Just found

Sat, Jan 30 - Sun, Jan 31

IAD

Washington

SEA

Seattle

$347

Roundtrip

Found 4 days ago

Select Alaska Airlines flight, departing Sat, Jan 30 from Washington to Seattle, returning Sun, Jan 31, priced at $347 Found 4 days ago

Fri, Feb 5 - Sat, Feb 6

IAD

Washington

SEA

Seattle

$366

Roundtrip

Found 6 days ago

Select Bargain Flight flight, departing Fri, Feb 5 from Washington to Seattle, returning Sat, Feb 6, priced at $366 Found 6 days ago

Tue, Nov 10 - Thu, Nov 12

BWI

Baltimore

SEA

Seattle

$374

Roundtrip

Just found

Select American Airlines flight, departing Tue, Nov 10 from Baltimore to Seattle, returning Thu, Nov 12, priced at $374 Just found

Find the cheapest month to fly from Washington (WAS) to Seattle (SEA)

October is typically the cheapest month to fly

From $196 - $396 per traveler.

Travel information

Origin airport	Washington Dulles Intl. Airport
Destination airport	Seattle-Tacoma International Airport
Distance	2,299 miles away
Airlines serving	Alaska Airlines, Delta, American Airlines, United, Sun Country Airlines, Frontier Airlines
Popular airline	Alaska Airlines
Roundtrip price	$238
Average flight time	6 hours 8 mins

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Flights

Flights from Jacksonville (JAX) to Seattle (SEA)
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Flights from Miami (MIA) to Seattle (SEA)
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Flights from Cleveland (CLE) to Seattle (SEA)
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Flights from San Jose (SJC) to Seattle (SEA)
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Flights from San Antonio (SAT) to Seattle (SEA)
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Flights from Hartford (BDL) to Seattle (SEA)
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Flights from Rochester (ROC) to Seattle (SEA)
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Flights from Vancouver (YVR) to Seattle (SEA)
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Flights from Buffalo (BUF) to Seattle (SEA)
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Flights from Orlando (MCO) to Seattle (SEA)
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Flights from Dallas (DFW) to Seattle (SEA)
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Flights from Kansas City (MCI) to Seattle (SEA)
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Flights from Los Angeles (LAX) to Seattle (SEA)
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Flights from Nairobi (NBO) to Seattle (SEA)
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Flights from Las Vegas (LAS) to Seattle (SEA)
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Flights from New York (JFK) to Seattle (SEA)
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Flights from Anchorage (ANC) to Seattle (SEA)
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Flights from Bozeman (BZN) to Seattle (SEA)
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Flights from Eugene (EUG) to Seattle (SEA)
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Flights from Palm Springs (PSP) to Seattle (SEA)
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Flights from San Diego (SAN) to Seattle (SEA)
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Flights from Charleston (CHS) to Seattle (SEA)
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Flights from Omaha (OMA) to Seattle (SEA)
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Flights from Santa Barbara (SBA) to Seattle (SEA)
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Flights from Birmingham (BHM) to Seattle (SEA)
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Flights from Tokyo (NRT) to Seattle (SEA)
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Flights from Tampa (TPA) to Seattle (SEA)
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Flights from London (LHR) to Seattle (SEA)
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Flights from Paris (CDG) to Seattle (SEA)
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Flights from Oakland (OAK) to Seattle (SEA)
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Flights from Washington (IAD) to Seattle (SEA)
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Flights from New Orleans (MSY) to Seattle (SEA)
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Flights from Norfolk (ORF) to Seattle (SEA)
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Flights from Pasco (PSC) to Seattle (SEA)
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Flights from Richmond (RIC) to Seattle (SEA)
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Flights from El Paso (ELP) to Seattle (SEA)
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Flights from Washington (DCA) to Seattle (SEA)
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Flights from Greenville (GSP) to Seattle (SEA)
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Flights from San Luis Obispo (SBP) to Seattle (SEA)
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Flights from Detroit (DTW) to Seattle (SEA)
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Flights from Indianapolis (IND) to Seattle (SEA)
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Flights from Houston (HOU) to Seattle (SEA)
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Flights from Fayetteville (XNA) to Seattle (SEA)
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Flights from Austin (AUS) to Seattle (SEA)
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Flights from Spokane (GEG) to Seattle (SEA)
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Flights from Toronto (YYZ) to Seattle (SEA)
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Flights from Berlin (BER) to Seattle (SEA)
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Flights from St. Louis (STL) to Seattle (SEA)
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Flights from Salt Lake City (SLC) to Seattle (SEA)
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Flights from Fort Lauderdale (FLL) to Seattle (SEA)
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Flights from Albuquerque (ABQ) to Seattle (SEA)
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Flights from Burbank (BUR) to Seattle (SEA)
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Flights from Tulsa (TUL) to Seattle (SEA)
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Flights from Medford (MFR) to Seattle (SEA)
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Flights from Philadelphia (PHL) to Seattle (SEA)
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Flights from Portland (PDX) to Seattle (SEA)
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Flights from Des Moines (DSM) to Seattle (SEA)
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Flights from Syracuse (SYR) to Seattle (SEA)
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Flights from Houston (IAH) to Seattle (SEA)
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Flights from Madison (MSN) to Seattle (SEA)
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Flights from Louisville (SDF) to Seattle (SEA)
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Flights from San Francisco (SFO) to Seattle (SEA)
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Flights from Albany (ALB) to Seattle (SEA)
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Flights from Rome (FCO) to Seattle (SEA)
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Flights from Honolulu (HNL) to Seattle (SEA)
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Flights from Orange County (SNA) to Seattle (SEA)
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Flights from Atlanta (ATL) to Seattle (SEA)
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Flights from Chicago (ORD) to Seattle (SEA)
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Flights from Knoxville (TYS) to Seattle (SEA)
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Flights from Reno (RNO) to Seattle (SEA)
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Flights from Charlotte (CLT) to Seattle (SEA)
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Flights from Manila (MNL) to Seattle (SEA)
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Flights from Redmond (RDM) to Seattle (SEA)
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Flights from Seoul (ICN) to Seattle (SEA)
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Flights from Denver (DEN) to Seattle (SEA)
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Flights from Long Beach (LGB) to Seattle (SEA)
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Flights from Newark Liberty Intl. Airport (EWR) to Seattle (SEA)
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Flights from Oklahoma City (OKC) to Seattle (SEA)
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Flights from Shanghai (PVG) to Seattle (SEA)
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Flights from Columbus (CMH) to Seattle (SEA)
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Flights from Milwaukee (MKE) to Seattle (SEA)
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Flights from Pittsburgh (PIT) to Seattle (SEA)
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Flights from Pullman (PUW) to Seattle (SEA)
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Flights from Fresno (FAT) to Seattle (SEA)
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Flights from Tucson (TUS) to Seattle (SEA)
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Flights from Boise (BOI) to Seattle (SEA)
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Flights from Grand Rapids (GRR) to Seattle (SEA)
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Flights from Delhi (DEL) to Seattle (SEA)
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Flights from Cincinnati (CVG) to Seattle (SEA)
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Flights from New York (NYC) to Seattle (SEA)
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Flights from Missoula (MSO) to Seattle (SEA)
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Flights from Little Rock (LIT) to Seattle (SEA)
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Flights from Ontario Intl. Airport (ONT) to Seattle (SEA)
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Flights from Memphis (MEM) to Seattle (SEA)
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Flights from Raleigh (RDU) to Seattle (SEA)
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Flights from Minneapolis (MSP) to Seattle (SEA)
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Flights from Boston (BOS) to Seattle (SEA)
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Flights from Sacramento (SMF) to Seattle (SEA)
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Flights from Nashville (BNA) to Seattle (SEA)
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Flights from Phoenix (PHX) to Seattle (SEA)
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$119 Cheap Flights from Washington (WAS) to Seattle (SEA)

Popular airlines from Washington to Seattle, WA (SEA-Seattle - Tacoma Intl.)

Be in the know

Book smarter

Earn twice

Cheap Flights from Washington to Seattle (WAS-SEA)

Find the cheapest month to fly from Washington (WAS) to Seattle (SEA)

October is typically the cheapest month to flyOctober is typically the cheapest month to fly

Travel information

Explore a world of travel with Expedia

October is typically the cheapest month to fly