Cheapest return flights from Phoenix to Las Vegas in September from 66€

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

Return flights

21 Sep - 21 Sep Frontier Airlines direct
08 Sep - 10 Sep Frontier Airlines direct
04 Sep - 08 Sep Spirit Airlines direct
21 Sep - 22 Sep Frontier Airlines direct
14 Sep - 17 Sep Frontier Airlines direct
13 Sep - 14 Sep Frontier Airlines direct
20 Sep - 21 Sep Frontier Airlines direct
24 Sep - 25 Sep Frontier Airlines direct
18 Sep - 21 Sep Frontier Airlines direct
16 Sep - 18 Sep Frontier Airlines direct
29 Sep - 03 Oct Frontier Airlines

Also check the deals for one-way flights from Phoenix 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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