Cheapest return flights from San Francisco to Seoul in August from $637

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

Return flights

16 Aug - 27 Aug Air Premia direct
18 Aug - 25 Aug Air Premia direct
15 Aug - 24 Aug Air Premia direct
16 Aug - 24 Aug Air Premia direct
15 Aug - 31 Aug Air Premia direct
01 Aug - 31 Aug Air Premia direct
29 Aug - 31 Aug Air Premia direct
10 Aug - 25 Aug Air Premia direct
29 Aug - 07 Sep Air Premia direct
31 Aug - 08 Sep Air Premia direct
27 Aug - 01 Sep Air Premia direct
25 Aug - 01 Sep Air Premia direct
18 Aug - 17 Sep Air Premia direct
27 Aug - 10 Sep Air Premia direct
29 Aug - 08 Sep Air Premia direct
29 Aug - 05 Sep Air Premia direct
25 Aug - 08 Sep Air Premia direct
20 Aug - 27 Aug Air Premia direct
06 Aug - 27 Aug Air Premia direct
17 Aug - 01 Sep Air Premia direct

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

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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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