Flights from Denver to Phoenix Sky Harbor

Our cheapest offers for flights from Denver to Phoenix Sky Harbor

Here you can compare cheap flights from Denver (DEN) to Phoenix Sky Harbor (PHX) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Phoenix Sky Harbor. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Phoenix - Sky Harbor
Outbound
10/10/25
direct
F94753
02h 00min
Return
11/04/25
direct
F91820
01h 53min
Frontier Airlines ?
$124
Denver
Phoenix - Sky Harbor
Outbound
10/10/25
direct
F91819
02h 04min
Return
11/04/25
1 Stopover (SAN)
HA7459, HA7488
07h 04min
Frontier Airlines
$164
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
direct
F91375
02h 04min
Return
11/12/25
direct
F94768
02h 01min
Frontier Airlines
$166
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
direct
F91375
02h 04min
Return
11/12/25
direct
F94768
02h 01min
Frontier Airlines
$171
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
1 Stopover (LAS)
F94967, F93484
06h 37min
Return
11/12/25
1 Stopover (SLC)
F91440, F93982
06h 26min
Frontier Airlines ?
$171
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
1 Stopover (SAN)
AS3021, AS1462
04h 33min
Return
11/12/25
1 Stopover (SAN)
AS1459, AS1429
07h 04min
Alaska Airlines ?
$183
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
direct
UA1481
02h 01min
Return
11/12/25
direct
UA1226
01h 44min
United Airlines ?
$185
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
1 Stopover (SAN)
AS3021, AS1462
04h 33min
Return
11/12/25
1 Stopover (SAN)
AS1453, AS3021
06h 12min
Alaska Airlines ?
$188
Denver
Phoenix - Sky Harbor
Outbound
10/10/25
direct
UA1236
01h 57min
Return
11/04/25
1 Stopover (SAN)
AS1459, AS1429
07h 04min
United Airlines ?
$222
Denver
Phoenix - Sky Harbor
Outbound
11/03/25
direct
AA2447
02h 27min
Return
11/12/25
direct
AA3376
01h 55min
American Airlines ?
$285
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Phoenix Sky Harbor

Favorite airline: Frontier Airlines
100 % of bookings on this flight route are made with Frontier Airlines and United Airlines.
Frontier Airlines
62 %
United Airlines
38 %

Important flight information

Flight information: Denver - Phoenix - Sky Harbor

Roundtrip from $123.77
Flight duration min. 01:50 / max. 10:00
Return flight duration min. 01:35/ max. 10:30
Distance 970 km
Flights per week 255
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Phoenix - Sky Harbor International Airport (PHX)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Phoenix - Sky Harbor
Flight destinations with a similar price
Flight destinations with a similar price