Cheapest return flights from Seoul to Seattle in May from 552€

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

Return flights

07 May - 10 May United
08 May - 16 May Asiana Airlines direct
08 May - 29 May Asiana Airlines direct
08 May - 22 May Asiana Airlines direct
26 May - 29 May Asiana Airlines direct
19 May - 01 Jun Asiana Airlines direct
01 May - 05 May Asiana Airlines direct
15 May - 22 May Asiana Airlines direct
12 May - 18 May Asiana Airlines direct
01 May - 04 May Asiana Airlines direct
03 May - 11 May Asiana Airlines direct
24 May - 01 Jun Asiana Airlines direct
04 May - 30 Jun Asiana Airlines direct
05 May - 30 Jun Asiana Airlines direct
09 May - 09 Jun Korean Air direct
07 May - 13 Jun Asiana Airlines direct
30 May - 05 Jun Air Canada
30 May - 06 Jun Air Canada
27 May - 04 Jun Air Canada
28 May - 04 Jun Air Canada

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

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