Cheapest return flights from Boise to Las Vegas in September from $191

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

Return flights

28 Sep - 03 Oct Spirit Airlines direct
26 Sep - 03 Oct Spirit Airlines direct
25 Sep - 03 Oct Spirit Airlines direct
21 Sep - 03 Oct Spirit Airlines direct
22 Sep - 03 Oct Spirit Airlines direct
26 Sep - 27 Sep Spirit Airlines direct
30 Sep - 03 Oct Alaska Airlines
26 Sep - 28 Sep Spirit Airlines direct
25 Sep - 27 Sep Spirit Airlines direct
25 Sep - 28 Sep Spirit Airlines direct
22 Sep - 25 Sep Spirit Airlines direct
21 Sep - 27 Sep Spirit Airlines direct
21 Sep - 25 Sep Spirit Airlines direct
22 Sep - 27 Sep Spirit Airlines direct
26 Sep - 29 Sep Spirit Airlines direct
25 Sep - 29 Sep Spirit Airlines direct
30 Sep - 01 Oct Alaska Airlines

Also check the deals for one-way flights from Boise 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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