Cheapest return flights from Sioux Falls to Las Vegas in May from $136

AirHint found the following cheapest return flights from Sioux Falls (FSD) to Las Vegas (LAS) in May 2026 (see full year).

Return flights

04 May - 08 May Allegiant Air direct
08 May - 11 May Allegiant Air
29 May - 01 Jun Allegiant Air direct
01 May - 08 May Allegiant Air direct
08 May - 11 May Allegiant Air direct
01 May - 05 May American Airlines
04 May - 11 May Allegiant Air direct
07 May - 11 May Delta
01 May - 04 May Frontier Airlines
01 May - 11 May Allegiant Air direct
01 May - 04 May Allegiant Air direct

Also check the deals for one-way flights from Sioux Falls to Las Vegas in May.

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