AirHint found the following cheapest one-way flights from Las Vegas (LAS) to Seoul (ICN) in January 2026 (see full year).

One-Way flights

21 Jan	Alaska Airlines
11 Jan	WestJet
07 Jan	Alaska Airlines
17 Jan	Alaska Airlines
13 Jan	Alaska Airlines
31 Jan	Alaska Airlines
30 Jan	Alaska Airlines
21 Jan	Korean Air	direct
25 Jan	jetBlue
08 Jan	Hawaiian Airlines

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

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 January from $451

One-Way flights