AirHint found the following cheapest return flights from Seoul (GMP) to Los Angeles (LAX) in December 2025 (see full year).

Return flights

04 Dec - 09 Dec	ANA
04 Dec - 08 Dec	ANA
18 Dec - 30 Dec	ANA
15 Dec - 24 Dec	ANA
18 Dec - 31 Dec	ANA
10 Dec - 08 Jan	ANA
17 Dec - 30 Dec	ANA
19 Dec - 31 Dec	ANA
15 Dec - 29 Dec	ANA
19 Dec - 24 Dec	ANA
17 Dec - 24 Dec	ANA
17 Dec - 20 Jan	ANA
15 Dec - 15 Jan	ANA
17 Dec - 07 Jan	ANA
15 Dec - 11 Jan	ANA
25 Dec - 04 Jan	Air China
25 Dec - 08 Jan	Air China
25 Dec - 02 Jan	Air China
20 Dec - 02 Jan	Air China
22 Dec - 08 Jan	Air China

Also check the deals for one-way flights from Seoul to Los Angeles 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 Seoul to Los Angeles in December from 770€

Return flights