AirHint found the following cheapest return flights from Las Vegas (LAS) to Seoul (ICN) in October 2025 (see full year).

Return flights

23 Oct - 03 Nov	WestJet
22 Oct - 29 Oct	WestJet
02 Oct - 09 Nov	WestJet
31 Oct - 07 Nov	Frontier Airlines
30 Oct - 07 Nov	Frontier Airlines
27 Oct - 10 Nov	Philippine Airlines
22 Oct - 30 Oct	Hawaiian Airlines
23 Oct - 30 Oct	Hawaiian Airlines
02 Oct - 14 Oct	WestJet
29 Oct - 19 Nov	Frontier Airlines
03 Oct - 18 Oct	WestJet
14 Oct - 30 Oct	Cathay Pacific
30 Oct - 29 Nov	Air Canada
24 Oct - 03 Nov	Air Canada
22 Oct - 23 Oct	Asiana Airlines
22 Oct - 24 Oct	Asiana Airlines
04 Oct - 11 Oct	Air Canada
24 Oct - 24 Nov	Hawaiian Airlines
02 Oct - 14 Oct	Korean Air	direct
27 Oct - 10 Nov	Korean Air	direct

Also check the deals for one-way flights from Las Vegas 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 Las Vegas to Seoul in October from $708

Return flights