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

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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 Boston (BOS)

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

29 Apr - 13 May $ 185.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
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08 Apr - 06 May $ 393.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHX
Phoenix
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08 Apr - 05 May $ 393.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHX
Phoenix
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Last minute flights from Phoenix to Boston

29 Apr - 30 Apr $ 258.00
PHX
Phoenix
Frontier Airlines
1 STOPS
BOS
Boston
BOS
Boston
Frontier Airlines
1 STOPS
PHX
Phoenix
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04 Apr - 01 May $ 437.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHX
Phoenix
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08 Apr - 30 Apr $ 772.00
PHX
Phoenix
Alaska Airlines
1 STOPS
BOS
Boston
BOS
Boston
Alaska Airlines
1 STOPS
PHX
Phoenix
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One-way flights to Boston from Phoenix

12:58 PM - 10:45 PM
Frontier Airlines
1 Stops
9h 33m
PHX - BOS
$ 98
Kiwi
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6:00 AM - 9:35 AM
United Airlines
1 Stops
6h 37m
PHX - BOS
$ 245
Kiwi
Pick dates
6:00 AM - 9:35 AM
United Airlines
1 Stops
6h 37m
PHX - BOS
$ 245
Kiwi
Pick dates

How to find the cheapest flight from Phoenix (PHX) to Boston (BOS)

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