Cheapest return flights from San Francisco to Seoul in August from $644

Best time to book flights for San Francisco (SFO) to Seoul (ICN) flights at AirHint

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

Return flights

16 Aug - 24 Aug Air Premia direct
22 Aug - 31 Aug Air Premia direct
22 Aug - 29 Aug Air Premia direct
15 Aug - 31 Aug Air Premia direct
20 Aug - 27 Aug Air Premia direct
01 Aug - 25 Aug Air Premia direct
17 Aug - 03 Sep Air Premia direct
25 Aug - 03 Sep Air Premia direct
20 Aug - 03 Sep Air Premia direct
20 Aug - 01 Sep Air Premia direct
18 Aug - 25 Aug Air Premia direct
27 Aug - 10 Sep Air Premia direct
10 Aug - 07 Sep Air Premia direct
13 Aug - 01 Sep Air Premia direct
25 Aug - 29 Aug Air Premia direct
20 Aug - 12 Sep Air Premia direct
17 Aug - 28 Aug United direct
09 Aug - 22 Aug United direct
21 Aug - 10 Sep United direct
27 Aug - 04 Sep United 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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