Cheap flights from Phoenix to Aspen

View AU$104 flight on Tue, 21 Oct. 2025Opens in a new window

Popular airlines from Phoenix to Aspen

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Cheap Flights from Phoenix (PHX) to Aspen (DEN)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 16 Sep. - Fri, 19 Sep.
PHX
Phoenix
DEN
Denver
AU$299 Return, found 4 days ago
AU$299
Return
found 4 days ago
Select Delta flight, departing Tue, 16 Sep. from Phoenix to Denver, returning Fri, 19 Sep., priced at AU$299 found 4 days ago
Delta
Fri, 12 Sep. - Fri, 19 Sep.
PHX
Phoenix
DEN
Denver
AU$301 Return, found 3 days ago
AU$301
Return
found 3 days ago
Select Delta flight, departing Fri, 12 Sep. from Phoenix to Denver, returning Fri, 19 Sep., priced at AU$301 found 3 days ago
Delta
Fri, 12 Sep. - Sun, 14 Sep.
PHX
Phoenix
DEN
Denver
AU$302 Return, found 2 days ago
AU$302
Return
found 2 days ago
Select Delta flight, departing Fri, 12 Sep. from Phoenix to Denver, returning Sun, 14 Sep., priced at AU$302 found 2 days ago
American Airlines
Sun, 14 Sep. - Sun, 21 Sep.
PHX
Phoenix
DEN
Denver
AU$305 Return, found 13 hours ago
AU$305
Return
found 13 hours ago
Select American Airlines flight, departing Sun, 14 Sep. from Phoenix to Denver, returning Sun, 21 Sep., priced at AU$305 found 13 hours ago
United
Sun, 31 Aug. - Tue, 2 Sep.
PHX
Phoenix
DEN
Denver
AU$344 Return, found 7 hours ago
AU$344
Return
found 7 hours ago
Select United flight, departing Sun, 31 Aug. from Phoenix to Denver, returning Tue, 2 Sep., priced at AU$344 found 7 hours ago
Alaska Airlines
Fri, 12 Sep. - Fri, 19 Sep.
PHX
Phoenix
DEN
Denver
AU$532 Return, found 3 days ago
AU$532
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 12 Sep. from Phoenix to Denver, returning Fri, 19 Sep., priced at AU$532 found 3 days ago

Find the cheapest month to fly from Phoenix (PHX) to Denver (DEN)

September is typically the cheapest month to fly

From AU$74 - AU$167 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.