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

Return flights

19 Jan - 16 Feb	China Southern
19 Jan - 09 Feb	China Southern
24 Jan - 07 Feb	China Southern
20 Jan - 03 Feb	China Eastern
20 Jan - 01 Feb	China Eastern
22 Jan - 03 Feb	China Eastern
19 Jan - 26 Jan	China Southern
20 Jan - 29 Jan	China Eastern
13 Jan - 29 Jan	Xiamen Airlines
18 Jan - 01 Feb	Xiamen Airlines
19 Jan - 28 Jan	China Southern
21 Jan - 01 Feb	China Southern
18 Jan - 29 Jan	China Eastern
20 Jan - 27 Jan	Xiamen Airlines
12 Jan - 11 Feb	Zipair
12 Jan - 23 Feb	Zipair
17 Jan - 25 Jan	China Eastern
12 Jan - 27 Jan	Zipair
18 Jan - 30 Jan	China Eastern
17 Jan - 21 Jan	China Eastern

Also check the deals for one-way flights from Los Angeles to Seoul in January.

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 January from $606

Return flights