Cheapest return flights from Boise to Phoenix in October from $102

AirHint found the following cheapest return flights from Boise (BOI) to Phoenix (PHX) in October 2025 (see full year).

Return flights

03 Oct - 06 Oct Allegiant Air direct
03 Oct - 10 Oct Allegiant Air direct
14 Oct - 22 Oct Alaska Airlines direct
13 Oct - 18 Oct Allegiant Air direct
12 Oct - 18 Oct Frontier Airlines
12 Oct - 18 Oct American Airlines direct

Also check the deals for one-way flights from Boise to Phoenix in October.

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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