Cheapest return flights from Seoul to San Francisco in May from 398€

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

Return flights

11 May - 17 May United direct
13 May - 18 May United direct
01 May - 10 May United direct
01 May - 11 May United direct
22 May - 25 May Air Premia direct
15 May - 20 May Air Premia direct
22 May - 29 May Air Premia direct
01 May - 31 May Air Premia direct
01 May - 13 May Air Premia direct
22 May - 02 Jun Air Canada
27 May - 30 May Air Canada
21 May - 04 Jun Air Canada
27 May - 03 Jun Air Canada
23 May - 03 Jun Air Canada
21 May - 04 Jun Delta direct
23 May - 03 Jun Delta direct
22 May - 02 Jun Korean Air direct
27 May - 03 Jun Air Premia direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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