Boston to Phoenix
BOSPHX
Fly from Boston to Phoenix starting at USD 155 with UA.
Best fare available on Oct 20, 2026.
Limited seats. Better plans. Book before it's gone.
Boston to Phoenix cheapest flights this week
20 Oct
UA
05:45BOS
--:--PHX
1 Stop$155VIEW DEAL
Boston to Phoenix monthly flight fare trend
Apr
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May
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Jun
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Jul
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Aug
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Sep
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Airport Details
Origin
Boston
Logan International Airport (BOS)
Boston, BOS
Zone
New York
Elev
20 ft
Destination
Phoenix
Phoenix Sky Harbor International Airport (PHX)
Phoenix, PHX
Zone
Phoenix
Elev
1135 ft
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