Cheapest return flights from Seoul to San Francisco in August from $430

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

Return flights

27 Aug - 10 Sep Air Premia direct
25 Aug - 10 Sep Air Premia direct
25 Aug - 03 Sep Air Premia direct
25 Aug - 05 Sep Air Premia direct
31 Aug - 05 Sep Air Premia direct
29 Aug - 07 Sep Air Premia direct
29 Aug - 12 Sep Air Premia direct
31 Aug - 12 Sep Air Premia direct
31 Aug - 19 Sep Air Premia direct
27 Aug - 31 Aug Air Premia direct
25 Aug - 01 Sep Air Premia direct
27 Aug - 30 Aug United direct
25 Aug - 25 Aug United direct
03 Aug - 04 Aug United direct
30 Aug - 31 Aug United direct
31 Aug - 31 Aug United direct
29 Aug - 31 Aug United direct
25 Aug - 31 Aug United direct
25 Aug - 27 Aug United direct
03 Aug - 10 Aug United direct

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

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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