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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)
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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

24 Sep - 16 Oct $ 225.00
PHX
Phoenix
Allegiant Air
1 STOPS
BOI
Boise
BOI
Boise
Allegiant Air
DIRECT
PHX
Phoenix
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13 Sep - 08 Oct $ 235.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BOI
Boise
BOI
Boise
Frontier Airlines
1 STOPS
PHX
Phoenix
Pick dates
14 Sep - 05 Oct $ 378.00
PHX
Phoenix
Alaska Airlines
DIRECT
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
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Last minute flights from Phoenix to Boise

13 Sep - 30 Sep $ 343.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
2 STOPS
PHX
Phoenix
Pick dates
24 Sep - 30 Sep $ 355.00
PHX
Phoenix
Alaska Airlines
DIRECT
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
Pick dates
14 Sep - 30 Sep $ 432.00
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

8:00 AM - 11:00 AM
Frontier Airlines
1 Stops
4h 55m
PHX - BOI
$ 159
Kiwi
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7:37 PM - 7:37 PM
Alaska Airlines
0 Stops
2h 8m
PHX - BOI
$ 183
Kiwi
Pick dates
7:37 PM - 7:37 PM
Alaska Airlines
0 Stops
2h 8m
PHX - BOI
$ 221
Kiwi
Pick dates

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.