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

One-Way flights

25 Dec	Alaska Airlines
01 Dec	Alaska Airlines
02 Dec	Alaska Airlines
06 Dec	Alaska Airlines
09 Dec	Alaska Airlines
29 Dec	Alaska Airlines
07 Dec	Alaska Airlines
30 Dec	Alaska Airlines
15 Dec	Alaska Airlines
28 Dec	Alaska Airlines

Also check the deals for return 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 one-way flights from Santa Ana to Seoul in December from $564

One-Way flights