Cheapest return flights from Boise to Mesa in September from $122

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

Return flights

26 Sep - 03 Oct Allegiant Air direct
26 Sep - 06 Oct Allegiant Air direct
29 Sep - 13 Oct Allegiant Air direct
26 Sep - 13 Oct Allegiant Air direct
26 Sep - 10 Oct Allegiant Air direct
19 Sep - 21 Sep Allegiant Air

Also check the deals for one-way flights from Boise to Mesa in September.

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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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