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

Return flights

23 Oct - 13 Nov	Air China
22 Oct - 28 Oct	China Eastern
01 Oct - 14 Oct	Philippine Airlines
21 Oct - 28 Oct	Philippine Airlines
20 Oct - 26 Oct	Philippine Airlines
03 Oct - 13 Oct	Air China
31 Oct - 14 Nov	Air China
03 Oct - 16 Oct	Philippine Airlines
28 Oct - 10 Nov	ANA
15 Oct - 14 Nov	EVA Air
20 Oct - 04 Nov	Cathay Pacific
03 Oct - 10 Oct	China Airlines
13 Oct - 27 Oct	Philippine Airlines
01 Oct - 11 Oct	Cathay Pacific
01 Oct - 06 Oct	Cathay Pacific
31 Oct - 07 Nov	China Airlines
24 Oct - 02 Nov	China Airlines
15 Oct - 15 Nov	China Airlines
30 Oct - 20 Nov	China Airlines
10 Oct - 08 Nov	China Airlines

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 628€

Return flights