Cheapest one-way flights from Austin to Las Vegas in September from $47

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

One-Way flights

08 Sep Spirit Airlines direct
15 Sep Spirit Airlines direct
01 Sep Spirit Airlines direct
07 Sep Frontier Airlines direct
12 Sep Spirit Airlines direct
21 Sep Spirit Airlines
13 Sep Frontier Airlines direct
14 Sep Frontier Airlines direct
28 Sep Frontier Airlines direct
06 Sep Frontier Airlines direct

Also check the deals for return 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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