AirHint found the following cheapest one-way flights from San Francisco (SFO) to Seoul (ICN) in August 2025 (see full year).

One-Way flights

18 Aug	Air Premia	direct
01 Aug	Air Premia	direct
06 Aug	Air Premia	direct
17 Aug	Air Premia	direct
09 Aug	Air Premia	direct
02 Aug	Air Premia	direct
21 Aug	Flair Airlines
15 Aug	Air Premia	direct
20 Aug	Flair Airlines
10 Aug	Air Premia	direct

Also check the deals for return flights from San Francisco to Seoul in August.

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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Cheapest one-way flights from San Francisco to Seoul in August from 296€

One-Way flights