Cheapest one-way flights from Seattle to Seoul in November from $338

AirHint found the following cheapest one-way flights from Seattle (SEA) to Seoul (GMP) in November 2025 (see full year).

One-Way flights

18 Nov Alaska Airlines
30 Nov Japan Airlines
28 Nov Japan Airlines
27 Nov Philippine Airlines
07 Nov Philippine Airlines
20 Nov Hainan Airlines
13 Nov EVA Air
19 Nov Alaska Airlines
22 Nov Alaska Airlines
21 Nov Philippine Airlines

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

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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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