Cheapest return flights from Seattle to Seoul in June from $865

AirHint found the following cheapest return flights from Seattle (SEA) to Seoul (ICN) in June 2026 (see full year).

Return flights

12 Jun - 19 Jun Asiana Airlines
12 Jun - 19 Jun Alaska Airlines direct
11 Jun - 18 Jun Alaska Airlines direct
03 Jun - 13 Jun Asiana Airlines direct
01 Jun - 31 Jul Delta
01 Jun - 31 Jul Asiana Airlines direct

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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