Cheap flights from Boston to Phoenix
from 193 US$
From 257 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 193 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Boston to Phoenix, a about 3,694 km route (around 5h 7m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as jetBlue, United Airlines operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Boston to Phoenix?
It's usually 2026-10, from 193 USD. Use the price calendar to compare other dates.
How long is the flight from Boston to Phoenix?
A nonstop flight takes about 5h 7m and covers around 3,694 km. Connecting itineraries take longer.
Are there direct flights from Boston to Phoenix?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Boston to Phoenix?
jetBlue, United Airlines operate this route, among others. Compare them all in the results.
When should I book Boston–Phoenix flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Boston → Phoenix · Live fares from 100+ sites — free, with no hidden fees.