Cheapest return flights from Seattle to Seoul in May from 583€

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

Return flights

04 May - 11 May Cathay Pacific
12 May - 19 May Cathay Pacific
05 May - 12 May Cathay Pacific
12 May - 22 May Cathay Pacific
04 May - 15 May Cathay Pacific
10 May - 16 May Philippine Airlines
03 May - 23 May Philippine Airlines
01 May - 05 May China Airlines
10 May - 27 May Philippine Airlines
04 May - 15 May Asiana Airlines direct
19 May - 23 Jun Philippine Airlines
16 May - 01 Jun Asiana Airlines
16 May - 06 Jun Asiana Airlines
26 May - 02 Jun Asiana Airlines
26 May - 03 Jun Asiana Airlines
25 May - 02 Jun WestJet
27 May - 04 Jun WestJet
20 May - 03 Jun WestJet
28 May - 06 Jun Cathay Pacific
19 May - 23 Jun Asiana Airlines direct

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

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