Cheapest return SAT–LAS flights, September

AirHint found the following cheapest return flights from San Antonio (SAT) to Las Vegas (LAS) in September 2026 (see full year).

Return flights

01 Sep - 04 Sep Frontier Airlines
03 Sep - 05 Sep Frontier Airlines
06 Sep - 10 Sep Frontier Airlines
07 Sep - 11 Sep Frontier Airlines
16 Sep - 22 Sep United
06 Sep - 13 Sep Frontier Airlines
14 Sep - 18 Sep Frontier Airlines
18 Sep - 21 Sep Frontier Airlines direct
16 Sep - 22 Sep Southwest Airlines direct
17 Sep - 20 Sep Frontier Airlines direct

Also check the deals for one-way flights from San Antonio to Las Vegas in September.

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