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

Return flights

27 Oct - 24 Nov	Air China
28 Oct - 04 Nov	Xiamen Airlines
27 Oct - 17 Nov	Air China
27 Oct - 11 Nov	Zipair
30 Oct - 10 Nov	Air China
27 Oct - 20 Nov	Air China
27 Oct - 10 Nov	Air China
27 Oct - 25 Nov	Zipair
21 Oct - 25 Nov	Zipair
30 Oct - 02 Nov	Xiamen Airlines
27 Oct - 30 Oct	Zipair
28 Oct - 31 Oct	Zipair
25 Oct - 30 Oct	Flair Airlines
19 Oct - 22 Oct	China Airlines
22 Oct - 29 Oct	WestJet
26 Oct - 30 Oct	China Airlines
20 Oct - 27 Oct	Cathay Pacific
22 Oct - 26 Oct	Cathay Pacific
19 Oct - 24 Oct	China Airlines
20 Oct - 31 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 577€

Return flights