Cheapest return flights from Las Vegas to Seoul in January from $729

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

Return flights

16 Jan - 23 Jan Frontier Airlines
12 Jan - 03 Feb Flair Airlines
12 Jan - 30 Jan Flair Airlines
18 Jan - 04 Feb Flair Airlines
12 Jan - 26 Jan Flair Airlines
05 Jan - 30 Jan Frontier Airlines
08 Jan - 05 Feb Spirit Airlines
01 Jan - 26 Feb Frontier Airlines
05 Jan - 12 Jan Spirit Airlines
01 Jan - 12 Jan Frontier Airlines
06 Jan - 08 Jan Hawaiian Airlines
19 Jan - 22 Jan Air Canada
04 Jan - 11 Jan Spirit Airlines
18 Jan - 04 Feb Korean Air direct
03 Jan - 07 Jan Air Canada
12 Jan - 03 Feb Delta direct
01 Jan - 26 Feb Korean Air direct

Also check the deals for one-way flights from Las Vegas to Seoul in January.

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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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