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

Return flights

23 Jan - 30 Jan	China Southern
25 Jan - 08 Feb	China Southern
19 Jan - 26 Jan	China Southern
12 Jan - 28 Jan	China Southern
18 Jan - 01 Feb	China Southern
23 Jan - 01 Feb	China Southern
23 Jan - 02 Feb	China Southern
05 Jan - 02 Feb	China Southern
28 Jan - 11 Feb	China Southern
12 Jan - 23 Jan	China Southern
19 Jan - 30 Jan	China Southern
28 Jan - 07 Feb	Alaska Airlines
14 Jan - 09 Feb	Alaska Airlines
25 Jan - 20 Feb	China Southern
11 Jan - 24 Jan	China Southern
15 Jan - 31 Jan	Zipair
29 Jan - 02 Feb	China Eastern
16 Jan - 27 Jan	Zipair
08 Jan - 25 Jan	Zipair
13 Jan - 29 Jan	Air Canada

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 $593

Return flights