Cheapest return flights from San Francisco to Seoul in May from $782

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

Return flights

06 May - 20 May Vietnam Airlines
03 May - 10 May Vietnam Airlines
28 May - 25 Jun WestJet
06 May - 20 May Air Premia direct
03 May - 10 May Air Premia direct
28 May - 25 Jun Delta direct

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

Skyscanner

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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