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

Return flights

05 May - 12 May	Japan Airlines
02 May - 16 May	Japan Airlines
02 May - 09 May	Japan Airlines
12 May - 25 May	EVA Air
05 May - 20 May	Korean Air
04 May - 14 May	Alaska Airlines
11 May - 27 May	Japan Airlines
05 May - 10 May	Alaska Airlines
07 May - 21 May	Korean Air
17 May - 28 May	Japan Airlines
05 May - 16 Jun	Korean Air
02 May - 07 Jun	Korean Air
31 May - 07 Jun	Japan Airlines
07 May - 09 Jun	Korean Air
28 May - 11 Jun	Japan Airlines
14 May - 30 Jun	Korean Air
03 May - 27 Jun	Korean Air
31 May - 08 Jun	Japan Airlines
07 May - 12 Jun	Korean Air
23 May - 08 Jun	EVA Air

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

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 May from $1203

Return flights