Cheapest one-way flights from Seoul to Seattle in March from $481

AirHint found the following cheapest one-way flights from Seoul (GMP) to Seattle (SEA) in March 2026 (see full year).

One-Way flights

31 Mar Parata Air
24 Mar Air China
14 Mar EVA Air
17 Mar Korean Air
16 Mar Peach
30 Mar Asiana Airlines
02 Mar Japan Airlines
27 Mar EVA Air
20 Mar Japan Airlines

Also check the deals for return flights from Seoul to Seattle in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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