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₩283,000 Cheap Flights from Washington (WAS) to Seattle (SEA)

Photo by Port of Seattle
Open Photo by Port of Seattle

Cheap Flights from Washington to Seattle (WAS-SEA)

Prices were available within the past 7 days and start at ₩283,000 for one-way flights and ₩511,900 for roundtrip, for the period specified. Prices and availability are subject to change.
Delta
Fri, Nov 6 - Mon, Nov 9
IAD
Washington
SEA
Seattle
₩511,900
Roundtrip
Found 11 hours ago
Select Delta flight, departing Fri, Nov 6 from Washington to Seattle, returning Mon, Nov 9, priced at ₩511,900 Found 11 hours ago
Delta
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩593,000
Roundtrip
Found 8 hours ago
Select Delta flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩593,000 Found 8 hours ago
Delta
Fri, Nov 6 - Mon, Nov 9
IAD
Washington
SEA
Seattle
₩606,800
Roundtrip
Found 11 hours ago
Select Delta flight, departing Fri, Nov 6 from Washington to Seattle, returning Mon, Nov 9, priced at ₩606,800 Found 11 hours ago
Southwest Airlines
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩619,400
Roundtrip
Found 8 hours ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩619,400 Found 8 hours ago
Southwest Airlines
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩627,100
Roundtrip
Found 8 hours ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩627,100 Found 8 hours ago
Southwest Airlines
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩634,300
Roundtrip
Found 8 hours ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩634,300 Found 8 hours ago
Southwest Airlines
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩645,600
Roundtrip
Found 8 hours ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩645,600 Found 8 hours ago
Southwest Airlines
Fri, Nov 6 - Mon, Nov 9
BWI
Baltimore
SEA
Seattle
₩652,800
Roundtrip
Found 8 hours ago
Select Southwest Airlines flight, departing Fri, Nov 6 from Baltimore to Seattle, returning Mon, Nov 9, priced at ₩652,800 Found 8 hours ago
United
Fri, Nov 6 - Mon, Nov 9
IAD
Washington
SEA
Seattle
₩654,500
Roundtrip
Found 11 hours ago
Select United flight, departing Fri, Nov 6 from Washington to Seattle, returning Mon, Nov 9, priced at ₩654,500 Found 11 hours ago
American Airlines
Fri, Nov 6 - Mon, Nov 9
IAD
Washington
SEA
Seattle
₩688,400
Roundtrip
Found 11 hours ago
Select American Airlines flight, departing Fri, Nov 6 from Washington to Seattle, returning Mon, Nov 9, priced at ₩688,400 Found 11 hours ago

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

October is typically the cheapest month to fly

From ₩265,924 - ₩536,153 per traveler.

Travel information

Origin airport
Washington Dulles Intl. Airport
Destination airport
Seattle-Tacoma International Airport
Distance
3,701 km away
Airlines serving
Alaska Airlines, American Airlines, Delta, United, Sun Country Airlines, Frontier Airlines
Popular airline
Alaska Airlines
Roundtrip price
₩511,900
Average flight time
6 hours 7 mins
*Available to One Key members.