Cheapest return flights from Austin to Las Vegas in September from $94

AirHint found the following cheapest return flights from Austin (AUS) to Las Vegas (LAS) in September 2025 (see full year).

Return flights

08 Sep - 19 Sep Spirit Airlines direct
15 Sep - 19 Sep Spirit Airlines direct
01 Sep - 05 Sep Spirit Airlines direct
01 Sep - 19 Sep Spirit Airlines direct
08 Sep - 15 Sep Spirit Airlines direct
01 Sep - 15 Sep Spirit Airlines direct
12 Sep - 19 Sep Spirit Airlines direct
08 Sep - 18 Sep Spirit Airlines
08 Sep - 25 Sep Spirit Airlines
15 Sep - 25 Sep Spirit Airlines
21 Sep - 08 Oct Spirit Airlines
15 Sep - 04 Oct Spirit Airlines
28 Sep - 03 Oct Frontier Airlines direct
21 Sep - 04 Oct Spirit Airlines
15 Sep - 05 Oct Spirit Airlines
14 Sep - 04 Oct Spirit Airlines
21 Sep - 05 Oct Spirit Airlines

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

Skyscanner

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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