AirHint found the following cheapest return flights from Santa Ana (SNA) to Seoul (ICN) in August 2025 (see full year).

Return flights

21 Aug - 03 Sep	China Airlines
30 Aug - 06 Sep	China Airlines
21 Aug - 06 Sep	China Airlines
24 Aug - 09 Sep	China Airlines
28 Aug - 01 Sep	Alaska Airlines
26 Aug - 11 Sep	Korean Air
06 Aug - 21 Aug	Korean Air
27 Aug - 03 Sep	Korean Air
25 Aug - 05 Sep	Korean Air
30 Aug - 29 Sep	Korean Air
29 Aug - 07 Sep	Korean Air
11 Aug - 26 Aug	Korean Air
04 Aug - 09 Aug	China Airlines
19 Aug - 31 Aug	Korean Air
05 Aug - 31 Aug	Korean Air
06 Aug - 12 Aug	Korean Air
13 Aug - 22 Aug	Korean Air
05 Aug - 18 Aug	Korean Air
11 Aug - 29 Aug	Korean Air
21 Aug - 31 Aug	Korean Air

Also check the deals for one-way flights from Santa Ana to Seoul in August.

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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Cheapest return flights from Santa Ana to Seoul in August from $1057

Return flights