Cheapest return flights from San Jose to Seoul in August from $709

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

Return flights

20 Aug - 03 Sep Alaska Airlines
23 Aug - 02 Sep Alaska Airlines
26 Aug - 02 Sep Alaska Airlines
21 Aug - 07 Sep Alaska Airlines
28 Aug - 16 Sep Alaska Airlines
12 Aug - 26 Aug Korean Air
12 Aug - 19 Aug Korean Air
12 Aug - 16 Sep Korean Air
02 Aug - 16 Aug Alaska Airlines
07 Aug - 12 Aug Alaska Airlines
07 Aug - 14 Aug Alaska Airlines
09 Aug - 21 Aug Alaska Airlines
01 Aug - 19 Aug Alaska Airlines
13 Aug - 30 Aug Alaska Airlines
05 Aug - 30 Aug Korean Air
06 Aug - 19 Aug Korean Air
24 Aug - 05 Sep Korean Air

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

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