AirHint found the following cheapest return flights from Santa Ana (SNA) to Seoul (ICN) in January 2026 (see full year).

Return flights

30 Jan - 06 Feb	Hawaiian Airlines
14 Jan - 09 Feb	China Airlines
13 Jan - 29 Jan	Korean Air
13 Jan - 24 Jan	Korean Air
30 Jan - 02 Feb	Korean Air
23 Jan - 30 Jan	Korean Air
01 Jan - 31 Jan	China Airlines
17 Jan - 25 Jan	Korean Air
07 Jan - 20 Jan	Korean Air
10 Jan - 17 Jan	Alaska Airlines
12 Jan - 17 Jan	Korean Air
11 Jan - 14 Feb	Alaska Airlines
02 Jan - 16 Jan	Alaska Airlines
03 Jan - 17 Jan	Alaska Airlines
16 Jan - 18 Feb	Korean Air
25 Jan - 05 Feb	Qatar Airways

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

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Santa Ana to Seoul in January from $958

Return flights