An Alaska Airlines plane taking off with a snow-capped mountain in the background.

Popular airlines from Gimpo Intl. Airport (GMP) to Seattle-Tacoma International Airport (SEA)

All Nippon Airways
Japan Airlines

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Cheap Flights from Seoul to Seattle (GMP-SEA)

Prices were available within the past 7 days and start at NT$32,192 for one-way flights and NT$42,033 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Fri, Jan 29 - Fri, Jan 29

GMP

Seoul

SEA

Seattle

NT$42,033

Roundtrip

Found 6 hours ago

Travel information

Origin airport	Gimpo Intl. Airport
Destination airport	Seattle-Tacoma International Airport
Distance	8,345 km away
Airlines serving	All Nippon Airways, Japan Airlines
Popular airline	All Nippon Airways
Roundtrip price	NT$42,033

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NT$32,192 Cheap Flights from Seoul (GMP) to Seattle (SEA)

Popular airlines from Gimpo Intl. Airport (GMP) to Seattle-Tacoma International Airport (SEA)

Be in the know

Book smarter

Earn twice

Cheap Flights from Seoul to Seattle (GMP-SEA)

Travel information

Explore a world of travel with Expedia