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

One-Way flights

04 Oct	WestJet
22 Oct	Alaska Airlines
30 Oct	Philippine Airlines
01 Oct	Hawaiian Airlines
23 Oct	WestJet
06 Oct	Frontier Airlines
02 Oct	WestJet
14 Oct	Frontier Airlines
15 Oct	Hawaiian Airlines
16 Oct	Frontier Airlines

Also check the deals for return 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 one-way flights from Las Vegas to Seoul in October from $340

One-Way flights