Cheapest return flights from Portland (PDX) to Mesa (AZA), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
25 Sep 28 Sep Allegiant Air
24 Sep 01 Oct Frontier Airlines
30 Sep 04 Oct Alaska Airlines
17 Sep 20 Sep Alaska Airlines
11 Sep 15 Sep Allegiant Air
11 Sep 14 Sep Allegiant Air
04 Sep 06 Sep Allegiant Air
10 Sep 14 Sep Alaska Airlines
13 Sep 20 Sep Alaska Airlines
10 Sep 17 Sep Alaska Airlines
03 Sep 06 Sep Alaska Airlines
04 Sep 07 Sep Allegiant Air
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deals for one-way flights from Portland to Mesa in September.

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Updated Aug 25, 2026.

About these fares

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