Cheap Flights to Seattle

View ₩521,600 flight on Wed, Feb 18, 2026Opens in a new window

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How much is the cheapest flight to Seattle?

Prices were available within the past 7 days and start at ₩521,600 for one-way flights and ₩479,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Oct 31 - Tue, Nov 18
ICN
Seoul
SEA
Seattle
₩479,600 Roundtrip, found 2 hours ago
₩479,600
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Oct 31 from Seoul to Seattle, returning Tue, Nov 18, priced at ₩479,600 found 2 hours ago
Hawaiian Airlines
Thu, Oct 16 - Wed, Oct 29
ICN
Seoul
SEA
Seattle
₩479,600 Roundtrip, just found
₩479,600
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Oct 16 from Seoul to Seattle, returning Wed, Oct 29, priced at ₩479,600 just found
Korean Air
Fri, Oct 31 - Fri, Nov 14
ICN
Seoul
SEA
Seattle
₩628,100 Roundtrip, found 1 day ago
₩628,100
Roundtrip
found 1 day ago
Select Korean Air flight, departing Fri, Oct 31 from Seoul to Seattle, returning Fri, Nov 14, priced at ₩628,100 found 1 day ago
United
Fri, Oct 17 - Mon, Oct 27
ICN
Seoul
SEA
Seattle
₩635,100 Roundtrip, found 6 days ago
₩635,100
Roundtrip
found 6 days ago
Select United flight, departing Fri, Oct 17 from Seoul to Seattle, returning Mon, Oct 27, priced at ₩635,100 found 6 days ago
Delta
Fri, Oct 24 - Sat, Oct 25
ICN
Seoul
SEA
Seattle
₩678,100 Roundtrip, found 4 hours ago
₩678,100
Roundtrip
found 4 hours ago
Select Delta flight, departing Fri, Oct 24 from Seoul to Seattle, returning Sat, Oct 25, priced at ₩678,100 found 4 hours ago

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

September is typically the cheapest month to fly

From ₩191,807 - ₩345,902 per traveler.

Searching for cheap flights to Seattle? No travel company presents more choices than Expedia if you're looking to compare flights to Seattle. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to . Expedia provides the cheapest flights to many destinations in and you may find even greater savings if you combine your flight with a hotel stay in Seattle.

Flights to Seattle information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
₩236,300

Trending flights to Seattle

Prices were available within the past 7 days and start at ₩521,600 for one-way flights and ₩479,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Oct 16 - Wed, Oct 29
ICN
Seoul
SEA
Seattle
₩479,600 Roundtrip, just found
₩479,600
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Oct 16 from Seoul to Seattle, returning Wed, Oct 29, priced at ₩479,600 just found
*Available to Expedia members.