Cheapest return flights from Austin to Las Vegas in September from $281

Best time to book flights for Austin (AUS) to Las Vegas (LAS) flights at AirHint

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

Return flights

12 Sep - 14 Sep Spirit Airlines
12 Sep - 16 Sep Spirit Airlines
12 Sep - 16 Sep Delta direct
10 Sep - 14 Sep Alaska Airlines
10 Sep - 14 Sep Delta direct
12 Sep - 14 Sep Delta direct

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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