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

Return flights

06 Jan - 14 Jan	Cathay Pacific
14 Jan - 20 Jan	Cathay Pacific
19 Jan - 02 Feb	Cathay Pacific
25 Jan - 28 Jan	Air Canada
07 Jan - 24 Jan	Hawaiian Airlines
28 Jan - 07 Feb	Hawaiian Airlines
18 Jan - 23 Jan	Cathay Pacific
01 Jan - 17 Jan	Xiamen Airlines
16 Jan - 24 Jan	Air Premia
18 Jan - 23 Jan	Air Premia	direct
25 Jan - 28 Jan	Air Premia	direct
19 Jan - 02 Feb	Air Premia	direct
02 Jan - 14 Jan	Air Canada
28 Jan - 07 Feb	Air Premia	direct

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 687€

Return flights