Cheapest return flights from Seattle to Seoul in June from $981

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

Return flights

29 Jun - 27 Jul Air Canada
09 Jun - 25 Jun Alaska Airlines
23 Jun - 30 Jun Air Canada
18 Jun - 05 Jul Air Canada
19 Jun - 05 Jul Air Canada
23 Jun - 03 Jul Alaska Airlines
20 Jun - 30 Jun Air Canada
14 Jun - 21 Jun Air Canada
20 Jun - 03 Jul Air Canada
29 Jun - 27 Jul Korean Air direct
14 Jun - 21 Jun Korean Air direct
20 Jun - 30 Jun Korean Air direct
19 Jun - 05 Jul Delta direct
18 Jun - 05 Jul Delta direct
20 Jun - 03 Jul Delta direct
23 Jun - 03 Jul Delta 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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