Cheapest return ICN–SFO flights, May

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

Return flights

23 May - 28 May Air Canada
29 May - 06 Jun Air Canada
26 May - 06 Jun Air Canada
28 May - 06 Jun Air Canada
26 May - 30 May Air Canada
26 May - 31 May Air Canada
22 May - 27 May Air Canada
23 May - 29 May Air Canada
25 May - 29 May Air Canada
28 May - 10 Jun Air Canada
21 May - 29 May Air Canada
28 May - 30 May Air Canada
22 May - 31 May Air Canada
20 May - 27 May Air Canada
26 May - 09 Jun Air Canada
23 May - 04 Jun Air Canada
26 May - 01 Jun Air Canada
20 May - 01 Jun Air Canada
23 May - 06 Jun Air Canada
29 May - 04 Jun Air Canada

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

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