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

Return flights

13 Oct - 10 Nov	Air China
01 Oct - 08 Oct	EVA Air
22 Oct - 29 Oct	EVA Air
14 Oct - 29 Oct	EVA Air
15 Oct - 31 Oct	EVA Air
01 Oct - 12 Oct	Philippine Airlines
20 Oct - 08 Nov	EVA Air
02 Oct - 13 Oct	Cathay Pacific
03 Oct - 08 Oct	EVA Air
03 Oct - 14 Oct	EVA Air
31 Oct - 08 Nov	EVA Air
19 Oct - 31 Oct	EVA Air
31 Oct - 07 Nov	EVA Air
02 Oct - 16 Oct	Cathay Pacific
30 Oct - 06 Nov	ANA
26 Oct - 02 Nov	ANA
05 Oct - 02 Nov	ANA
07 Oct - 09 Nov	ANA
18 Oct - 08 Nov	Japan Airlines
20 Oct - 19 Nov	Air Canada

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 726€

Return flights