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

Return flights

02 Dec - 10 Dec	EVA Air
04 Dec - 12 Dec	Alaska Airlines
08 Dec - 29 Dec	China Airlines
26 Dec - 11 Jan	EVA Air
03 Dec - 05 Jan	China Airlines
27 Dec - 03 Jan	China Airlines
21 Dec - 11 Jan	EVA Air
21 Dec - 13 Jan	EVA Air
26 Dec - 11 Jan	Korean Air	direct
19 Dec - 30 Dec	LOT
24 Dec - 03 Jan	China Airlines
17 Dec - 08 Jan	China Airlines
11 Dec - 02 Jan	China Airlines
24 Dec - 02 Jan	Singapore Airlines
19 Dec - 30 Dec	Asiana Airlines	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 886€

Return flights