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

Return flights

01 Dec - 10 Dec	EVA Air
01 Dec - 15 Dec	Air China
29 Dec - 18 Jan	ANA
05 Dec - 27 Dec	China Eastern
12 Dec - 18 Jan	ANA
23 Dec - 06 Jan	ANA
01 Dec - 28 Dec	Air China
10 Dec - 10 Jan	ANA
28 Dec - 17 Jan	EVA Air
01 Dec - 31 Dec	Japan Airlines
14 Dec - 13 Jan	ANA
13 Dec - 27 Dec	Japan Airlines
24 Dec - 14 Jan	ANA
10 Dec - 24 Dec	ANA
23 Dec - 31 Dec	ANA
23 Dec - 11 Jan	ANA
16 Dec - 06 Jan	ANA
13 Dec - 20 Dec	Japan Airlines
13 Dec - 29 Dec	ANA
20 Dec - 19 Jan	ANA

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Los Angeles to Seoul in December from $1267

Return flights