Cheapest return flights from Seattle to Seoul in June from $1569

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 June 2025 (see full year).

Return flights

23 Jun - 07 Jul Japan Airlines
24 Jun - 07 Jul Japan Airlines
22 Jun - 07 Jul Japan Airlines
23 Jun - 06 Jul Japan Airlines
23 Jun - 05 Jul Japan Airlines
15 Jun - 05 Jul Japan Airlines
26 Jun - 10 Jul Japan Airlines
19 Jun - 26 Jun Japan Airlines
19 Jun - 22 Jun Japan Airlines

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

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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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