AirHint found the following cheapest return flights from Los Angeles (LAX) to Seoul (ICN) in December 2026 (see full year).

Return flights

01 Dec - 05 Dec	China Airlines
01 Dec - 31 Dec	China Airlines
02 Dec - 14 Dec	EVA Air
06 Dec - 10 Dec	China Airlines
09 Dec - 30 Dec	China Airlines
10 Dec - 16 Dec	EVA Air
01 Dec - 05 Dec	Asiana Airlines	direct
02 Dec - 14 Dec	Asiana Airlines	direct
10 Dec - 16 Dec	Korean Air	direct
01 Dec - 31 Dec	Korean Air	direct
22 Dec - 05 Jan	China Airlines
18 Dec - 03 Jan	China Airlines
18 Dec - 03 Jan	Korean Air	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Seoul in December from 777€

Return flights