Cheapest return flights from San Francisco to Seoul in August from $643

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

Return flights

16 Aug - 31 Aug Philippine Airlines
17 Aug - 31 Aug Philippine Airlines
31 Aug - 10 Sep Cathay Pacific
22 Aug - 30 Aug United direct
17 Aug - 31 Aug United direct
16 Aug - 31 Aug United direct
31 Aug - 10 Sep United direct
20 Aug - 03 Sep United direct
23 Aug - 30 Aug United direct
10 Aug - 20 Aug United direct
24 Aug - 05 Sep Alaska Airlines
10 Aug - 17 Aug Philippine Airlines
16 Aug - 23 Aug Philippine Airlines
09 Aug - 23 Aug Philippine Airlines
24 Aug - 05 Sep Asiana Airlines direct

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

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