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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 July , August 2026

30 Jul - 10 Aug $ 316.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BOI
Boise
BOI
Boise
Frontier Airlines
1 STOPS
PHX
Phoenix
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25 Jul - 29 Aug $ 322.00
PHX
Phoenix
Alaska Airlines
DIRECT
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
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25 Jul - 15 Aug $ 352.00
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

25 Jul - 31 Jul $ 417.00
PHX
Phoenix
Alaska Airlines
DIRECT
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
Pick dates
30 Jul - 31 Jul $ 424.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOI
Boise
BOI
Boise
Alaska Airlines
DIRECT
PHX
Phoenix
Pick dates
29 Jul - 31 Jul $ 435.00
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

6:40 AM - 10:29 AM
Frontier Airlines
1 Stops
4h 49m
PHX - BOI
$ 176
Kiwi
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4:56 PM - 4:56 PM
Alaska Airlines
0 Stops
2h 14m
PHX - BOI
$ 204
Kiwi
Pick dates
4:56 PM - 4:56 PM
Alaska Airlines
0 Stops
2h 14m
PHX - BOI
$ 206
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.