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Cheap flights from Phoenix (PHX) to Boise (BOI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
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How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)

How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)
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How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)
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How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)
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Cheap flights from Phoenix to Boise in September , October 2026

30 Sep - 19 Oct $ 356.00
PHX
Phoenix
Allegiant Air
DIRECT
BOI
Boise
BOI
Boise
Allegiant Air
DIRECT
PHX
Phoenix
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30 Sep - 08 Oct $ 400.00
PHX
Phoenix
Frontier Airlines
DIRECT
BOI
Boise
BOI
Boise
Frontier Airlines
1 STOPS
PHX
Phoenix
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30 Sep - 03 Oct $ 461.00
PHX
Phoenix
Alaska Airlines
DIRECT
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
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One-way flights to Boise from Phoenix

7:37 PM - 7:37 PM
Alaska Airlines
0 Stops
2h 8m
PHX - BOI
$ 231
Kiwi
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4:29 PM - 8:25 PM
United Airlines
1 Stops
5h 4m
PHX - BOI
$ 283
Kiwi
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11:54 AM - 3:45 PM
United Airlines
1 Stops
4h 49m
PHX - BOI
$ 400
Kiwi
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How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)

Related info for your journey
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How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Phoenix (PHX) to Boise (BOI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.