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

Return flights

09 Sep - 22 Sep	China Airlines
09 Sep - 01 Oct	China Airlines
30 Sep - 22 Oct	China Airlines
06 Sep - 22 Sep	China Airlines
23 Sep - 30 Sep	China Airlines
27 Sep - 08 Oct	China Airlines
22 Sep - 30 Sep	China Airlines
26 Sep - 30 Sep	EVA Air
13 Sep - 26 Sep	EVA Air
09 Sep - 16 Sep	Korean Air
04 Sep - 24 Sep	Korean Air
11 Sep - 18 Sep	Korean Air
10 Sep - 21 Oct	Korean Air
05 Sep - 10 Sep	Korean Air
30 Sep - 24 Oct	Korean Air
13 Sep - 11 Oct	Korean Air
17 Sep - 03 Oct	Korean Air
17 Sep - 15 Oct	Korean Air
24 Sep - 08 Oct	Korean Air
24 Sep - 12 Oct	Korean Air

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

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 September from $1017

Return flights