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

Return flights

22 Apr - 02 May	Frontier Airlines
08 Apr - 15 Apr	Spirit Airlines
04 Apr - 22 Apr	WestJet
01 Apr - 22 Apr	WestJet
01 Apr - 15 Apr	Spirit Airlines
05 Apr - 26 Apr	Frontier Airlines
08 Apr - 16 Apr	Spirit Airlines
25 Apr - 04 May	Frontier Airlines
30 Apr - 16 May	Alaska Airlines
01 Apr - 29 May	Air Canada
03 Apr - 12 Apr	Air Canada
01 Apr - 28 May	Air Canada
08 Apr - 15 Apr	Delta	direct
22 Apr - 02 May	Delta	direct
25 Apr - 04 May	Delta	direct
05 Apr - 26 Apr	Korean Air	direct
01 Apr - 22 Apr	Delta	direct
01 Apr - 28 May	Delta	direct
01 Apr - 29 May	Delta	direct
30 Apr - 16 May	Delta	direct

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

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 April from 691€

Return flights