Cheapest return flights from Seattle to Seoul in May from $1039

Best time to book flights for Seattle (SEA) to Seoul (GMP) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (GMP) in May 2025 (see full year).

Return flights

13 May - 23 May EVA Air
09 May - 16 May EVA Air
12 May - 19 May ANA
16 May - 28 May ANA
26 May - 18 Jun ANA
19 May - 28 May ANA
09 May - 26 Jun ANA
23 May - 13 Jun EVA Air
16 May - 23 May EVA Air
18 May - 25 May ANA
20 May - 27 May Hawaiian Airlines
02 May - 04 May Japan Airlines
21 May - 11 Jun ANA
25 May - 31 May Japan Airlines
31 May - 11 Jun Japan Airlines

Also check the deals for one-way flights from Seattle to Seoul in May.

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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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