Cheapest return flights from San Francisco to Seoul in April from 544€

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

Return flights

22 Apr - 03 May Alaska Airlines
27 Apr - 11 May Alaska Airlines
09 Apr - 19 Apr Cathay Pacific
08 Apr - 19 Apr Cathay Pacific
08 Apr - 20 Apr Cathay Pacific
08 Apr - 22 Apr Cathay Pacific
13 Apr - 12 May Cathay Pacific
14 Apr - 06 May Cathay Pacific
15 Apr - 25 Apr Alaska Airlines
07 Apr - 13 Apr Flair Airlines
30 Apr - 08 May WestJet
09 Apr - 13 Apr Vietnam Airlines
16 Apr - 01 May Air Canada
26 Apr - 06 May Air Canada
06 Apr - 13 Apr Alaska Airlines
19 Apr - 30 Apr Vietnam Airlines
17 Apr - 26 Apr Philippine Airlines
27 Apr - 11 May Air Premia direct
30 Apr - 08 May Asiana Airlines direct
13 Apr - 12 May Asiana Airlines direct

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

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