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

Return flights

27 Oct - 03 Nov	Air China
23 Oct - 06 Nov	Air China
13 Oct - 24 Oct	Air China
16 Oct - 31 Oct	Air China
16 Oct - 30 Oct	Air China
13 Oct - 27 Oct	Air China
24 Oct - 07 Nov	Air China
02 Oct - 12 Oct	China Eastern
17 Oct - 26 Oct	China Eastern
22 Oct - 19 Nov	EVA Air
01 Oct - 21 Oct	EVA Air
15 Oct - 29 Oct	EVA Air
01 Oct - 22 Oct	EVA Air
14 Oct - 19 Nov	EVA Air
13 Oct - 18 Nov	EVA Air
13 Oct - 19 Nov	EVA Air
22 Oct - 12 Nov	EVA Air
22 Oct - 05 Nov	EVA Air
02 Oct - 04 Nov	EVA Air
21 Oct - 28 Oct	China Eastern

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

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 October from $793

Return flights