Phoenix to Denver
PHXDEN
Fly from Phoenix to Denver starting at USD 46 with Frontier Airlines.
Best fare available on Sep 28, 2026.
Limited seats. Better plans. Book before it's gone.
Phoenix to Denver cheapest flights this week
Phoenix to Denver monthly flight fare trend
Aug
from USD 99
Sep
from USD 46
Oct
from USD 82
Nov
No flights
Dec
No flights
Jan
No flights
Airport Details
Origin
Phoenix
Phoenix Sky Harbor International Airport (PHX)
Phoenix, PHX
Zone
Phoenix
Elev
1135 ft
Destination
Denver
Denver International Airport (DEN)
Denver, DEN
Zone
Denver
Elev
5431 ft
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