Cheapest one-way flights from Las Vegas to Seoul in September from $391

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

One-Way flights

27 Sep Spirit Airlines
30 Sep Frontier Airlines
18 Sep Cathay Pacific
22 Sep Cathay Pacific
21 Sep Frontier Airlines
18 Sep Korean Air direct
29 Sep Alaska Airlines
26 Sep Alaska Airlines
22 Sep Delta direct
29 Sep Delta direct

Also check the deals for return flights from Las Vegas to Seoul in September.

Skyscanner

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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