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Cheap flights from Boston (BOS) to Phoenix (PHX)

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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 Boston (BOS) to Phoenix (PHX)

How to find the cheapest flight from Boston (BOS) to Phoenix (PHX)
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How to find the cheapest flight from Boston (BOS) to Phoenix (PHX)
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How to find the cheapest flight from Boston (BOS) to Phoenix (PHX)
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Cheap flights from Boston to Phoenix in July , August 2026

29 Jul - 11 Aug $ 466.00
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
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29 Jul - 11 Aug $ 473.00
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
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29 Jul - 11 Aug $ 657.00
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
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Last minute flights from Boston to Phoenix

29 Jul - 01 Aug $ 557.00
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
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27 Jul - 31 Jul $ 717.00
BOS
Boston
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
BOS
Boston
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28 Jul - 31 Jul $ 777.00
BOS
Boston
United Airlines
1 STOPS
PHX
Phoenix
PHX
Phoenix
United Airlines
1 STOPS
BOS
Boston
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One-way flights to Phoenix from Boston

8:28 AM - 1:09 PM
Alaska Airlines
1 Stops
9h 3m
BOS - PHX
$ 291
Kiwi
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7:45 AM - 11:25 AM
United Airlines
1 Stops
7h 40m
BOS - PHX
$ 338
Kiwi
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12:22 PM - 3:35 PM
United Airlines
1 Stops
7h 13m
BOS - PHX
$ 344
Kiwi
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How to find the cheapest flight from Boston (BOS) to Phoenix (PHX)

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