Cheapest return flights from San Francisco to Seoul in May from 686€

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

Return flights

02 May - 17 May WestJet
13 May - 03 Jun Cathay Pacific
05 May - 27 May Alaska Airlines
08 May - 17 May China Airlines
12 May - 28 May EVA Air
20 May - 21 May China Airlines
23 May - 31 May WestJet
15 May - 25 May WestJet
18 May - 25 May Philippine Airlines
16 May - 24 May China Airlines
15 May - 30 May WestJet
22 May - 10 Jun WestJet
22 May - 05 Jun WestJet
26 May - 06 Jun Cathay Pacific
05 May - 18 Jun Alaska Airlines
31 May - 30 Jun WestJet
13 May - 03 Jun Air Premia direct
31 May - 26 Jun Air Canada
22 May - 05 Jun Air Premia direct
22 May - 10 Jun Air Premia direct

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

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