Cheapest return flights from Seattle to Seoul in May from 582€

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

Return flights

06 May - 20 May Cathay Pacific
06 May - 17 May Cathay Pacific
07 May - 18 May Cathay Pacific
07 May - 21 May Cathay Pacific
05 May - 19 May Cathay Pacific
12 May - 19 May Cathay Pacific
05 May - 26 May Cathay Pacific
12 May - 21 May Cathay Pacific
12 May - 30 Jun Cathay Pacific
06 May - 13 May Cathay Pacific
03 May - 26 May Air Canada
13 May - 30 Jun Cathay Pacific
12 May - 30 Jun Asiana Airlines direct
13 May - 30 Jun Asiana Airlines direct
16 May - 01 Jun Asiana Airlines
27 May - 04 Jun WestJet
30 May - 17 Jun WestJet
25 May - 30 Jun WestJet
24 May - 19 Jun Alaska Airlines
22 May - 24 Jun WestJet

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

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