Boston to Phoenix
BOSPHX
Fly from Boston to Phoenix starting at USD 121 with Frontier Airlines.
Best fare available on Oct 7, 2026.
Limited seats. Better plans. Book before it's gone.
Boston to Phoenix cheapest flights this week
Boston to Phoenix monthly flight fare trend
Sep
No flights
Oct
from USD 121
Nov
from USD 166
Dec
from USD 171
Jan
No flights
Feb
No flights
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
Flights from Boston
Flights from Boston to AtlantaFlights from Boston to AustinFlights from Boston to CharlotteFlights from Boston to DenverFlights from Boston to DallasFlights from Boston to DetroitFlights from Boston to NewarkFlights from Boston to Fort LauderdaleFlights from Boston to HonoluluFlights from Boston to Washington
