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

Return flights

04 Dec - 14 Dec	Alaska Airlines
03 Dec - 28 Dec	Hawaiian Airlines
06 Dec - 28 Dec	Hawaiian Airlines
25 Dec - 04 Jan	Hawaiian Airlines
01 Dec - 11 Dec	China Airlines
12 Dec - 28 Dec	Hawaiian Airlines
25 Dec - 12 Jan	Alaska Airlines
15 Dec - 02 Jan	Spirit Airlines
23 Dec - 12 Jan	China Airlines
25 Dec - 11 Jan	Hawaiian Airlines
29 Dec - 25 Jan	Korean Air
14 Dec - 29 Dec	China Airlines
01 Dec - 15 Dec	Korean Air
01 Dec - 09 Dec	Korean Air
23 Dec - 15 Jan	China Airlines
30 Dec - 17 Jan	Korean Air
29 Dec - 10 Jan	Korean Air
23 Dec - 06 Jan	China Airlines
21 Dec - 30 Dec	Alaska Airlines
16 Dec - 31 Dec	China Airlines

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

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 December from $1366

Return flights