Boston (BOS) to Phoenix (PHX) is about 2,295 miles (3,693 km), roughly 5 h 05 min of flying time. Phoenix is 2 hours behind Boston in January, and 3 hours behind Boston in July. Arizona does not observe daylight saving time, which is why the gap changes during the year.
When is the cheapest time to fly from Boston to Phoenix?
Lowest round-trip fares found in recent searches for each month (7 to 14 day trips). Pick a cheap month, then confirm the live price.
Are there nearby airports that could be cheaper?
Fares at a neighboring airport are sometimes lower. Worth comparing on this route:
- PVDRhode Island T. F. Green International Airport south of Boston in Rhode Island.
- MHTManchester-Boston Regional Airport north of Boston in New Hampshire.
- AZAPhoenix-Mesa Gateway Airport a smaller airport in Mesa served mostly by low-cost carriers.
What ID do I need for this flight?
For domestic US flights, adults need a REAL ID-compliant license or another TSA-accepted ID, such as a passport. Read our REAL ID guide.
Need a car in Phoenix?
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Frequently asked questions
How far is Boston from Phoenix by plane?
The great-circle distance between BOS and PHX is about 2,295 miles (3,693 km).
How long does it take to fly from Boston to Phoenix?
About 5 h 05 min of flying time based on distance, if a nonstop flight operates. Actual schedules vary by airline and wind, and itineraries with connections take longer.
What is the time difference between Boston and Phoenix?
Phoenix is 2 hours behind Boston in January, and 3 hours behind Boston in July.
Distance and flying time are calculated from airport coordinates (OurAirports data) and a typical cruise speed; they are planning estimates, not schedules. Updated 2026-10-28.
