Frontier Airlines Phoenix to Denver Flights

Return flight: Denver – Phoenix

Cheapflightsplus.com will find cheap Frontier Airlines flights from Phoenix to Denver. Compare airline ticket prices and book air tickets starting from $29 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare Phoenix (AZ) — Denver (CO) by Frontier Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in april: one-way - $29, two-way – $50.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:29 pm — 0:26 am
+1 day
10:29 pm — 0:26 am F94754 Frontier Airlines
Phoenix — Denver
1h 57m
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from$183
11:10 am — 1:04 pm
11:10 am — 1:04 pm F91820 Frontier Airlines
Phoenix — Denver
1h 54m
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from$29
2:24 pm — 4:20 pm
2:24 pm — 4:20 pm F92052 Frontier Airlines
Phoenix — Denver
1h 56m
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from$33
4:15 pm — 6:05 pm
4:15 pm — 6:05 pm F92106 Frontier Airlines
Phoenix — Denver
1h 50m
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from$33
5:05 pm — 7:03 pm
5:05 pm — 7:03 pm F92104 Frontier Airlines
Phoenix — Denver
1h 58m
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from$59
5:09 pm — 7:00 pm
5:09 pm — 7:00 pm F94766 Frontier Airlines
Phoenix — Denver
1h 51m
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from$29
7:15 am — 9:10 am
7:15 am — 9:10 am F91376 Frontier Airlines
Phoenix — Denver
55m
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from$29
7:23 pm — 9:14 pm
7:23 pm — 9:14 pm F92142 Frontier Airlines
Phoenix — Denver
1h 51m
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from$29
8:00 am — 9:53 am
8:00 am — 9:53 am F94768 Frontier Airlines
Phoenix — Denver
1h 53m
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from$35
10:06 am — 4:51 pm
8:05 am — 11:32 am F92532 Frontier Airlines
Phoenix — Dallas
2h 3m stop
3:42 pm — 4:57 pm F92631 Frontier Airlines
Dallas — Denver
6h 45m
including layover
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from$64
11:24 am — 4:28 pm
11:19 am — 11:36 am F93483 Frontier Airlines
Phoenix — Las Vegas
1h 32m stop
0:59 am — 3:59 am F92430 Frontier Airlines
Las Vegas — Denver
5h 4m
including layover
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from$62
12:45 pm — 11:25 pm
12:59 pm — 2:08 pm F92637 Frontier Airlines
Phoenix — San Francisco
5h 51m stop
9:14 pm — 0:42 am F93440 Frontier Airlines
San Francisco — Denver
10h 40m
including layover
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from$84
12:50 pm — 9:45 am
+1 day
7:35 am — 8:48 am F92637 Frontier Airlines
Phoenix — San Francisco
16h stop
6:05 am — 9:40 am F91230 Frontier Airlines
San Francisco — Denver
20h 55m
including layover
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from$65
1:41 pm — 11:29 pm
1:41 pm — 5:05 pm F93284 Frontier Airlines
Phoenix — Dallas
5h 10m stop
10:15 pm — 11:29 pm F94463 Frontier Airlines
Dallas — Denver
9h 48m
including layover
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from$172
1:45 pm — 10:34 pm
1:45 pm — 2:07 pm F93167 Frontier Airlines
Phoenix — San Diego
4h 54m stop
7:01 pm — 10:34 pm F92712 Frontier Airlines
San Diego — Denver
8h 49m
including layover
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from$83
2:50 pm — 10:54 pm
3:36 pm — 3:50 pm F94047 Frontier Airlines
Phoenix — Las Vegas
4h 30m stop
8:44 pm — 11:48 pm F94612 Frontier Airlines
Las Vegas — Denver
8h 4m
including layover
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from$62
3:36 pm — 9:38 am
+1 day
3:36 pm — 3:50 pm F94047 Frontier Airlines
Phoenix — Las Vegas
14h 40m stop
6:30 am — 9:38 am F91994 Frontier Airlines
Las Vegas — Denver
18h 2m
including layover
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from$62
3:36 pm — 3:59 am
+1 day
3:36 pm — 3:50 pm F94047 Frontier Airlines
Phoenix — Las Vegas
9h 9m stop
0:59 am — 3:59 am F92430 Frontier Airlines
Las Vegas — Denver
12h 23m
including layover
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from$62
4:51 pm — 10:54 pm
7:00 am — 7:14 am F91019 Frontier Airlines
Phoenix — Las Vegas
2h 28m stop
8:44 pm — 11:48 pm F94612 Frontier Airlines
Las Vegas — Denver
6h 3m
including layover
Find flight
from$62
6:05 am — 1:18 pm
6:05 am — 9:33 am F92532 Frontier Airlines
Phoenix — Dallas
2h 32m stop
12:05 pm — 1:18 pm F91323 Frontier Airlines
Dallas — Denver
7h 13m
including layover
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from$72
6:40 am — 2:48 pm
6:40 am — 10:12 am F94182 Frontier Airlines
Phoenix — Houston
3h 2m stop
1:14 pm — 2:48 pm F93205 Frontier Airlines
Houston — Denver
8h 8m
including layover
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from$72
8:50 am — 12:58 pm
8:50 am — 10:31 am F91440 Frontier Airlines
Phoenix — Salt Lake City
50m stop
2:00 pm — 3:40 pm F93982 Frontier Airlines
Salt Lake City — Denver
4h 8m
including layover
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from$59
9:22 am — 0:53 am
+1 day
9:22 am — 9:39 am F93983 Frontier Airlines
Phoenix — Las Vegas
12h 14m stop
9:53 pm — 0:53 am F94612 Frontier Airlines
Las Vegas — Denver
15h 31m
including layover
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from$65
9:57 am — 4:13 pm
9:57 am — 10:16 am F92083 Frontier Airlines
Phoenix — San Diego
2h 25m stop
12:41 pm — 4:13 pm F94990 Frontier Airlines
San Diego — Denver
6h 16m
including layover
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from$64
10:06 am — 9:54 am
+1 day
10:06 am — 1:33 pm F92532 Frontier Airlines
Phoenix — Dallas
7h 24m stop
8:57 pm — 10:17 pm F92923 Frontier Airlines
Dallas — Ontario
8h 13m stop
6:30 am — 9:54 am F91500 Frontier Airlines
Ontario — Denver
23h 48m
including layover
Find flight
from$145
*Departure and arrival times are local. Last updated on 04/03/2025

Flight Information

There are 9 flights by Frontier Airlines from Phoenix to Denver every week with departures from Sky Harbor Intl, Phoenix-Deer Valley, Luke AFB, Scottsdale Municipal, Williams Gateway. All flights arrive at Denver International and Arapahoe Co.

Departures start from 10:06 am to 9:59 pm. Nonstop flight is 55m. The time difference between Phoenix and Denver is 0h.

  • The fastest flight 55m
  • Average flight time 1h 53m
  • The earliest flight 10:06 am
  • The latest flight 9:59 pm
  • Distance 603 ml

The cheapest months for traveling to Denver are november (from 29 $), january (from 35 $), december (from 47 $).

The most expensive and popular months are february (from 65 $), december (from 47 $), january (from 35 $).

The cheapest flight by Frontier Airlines that our users were able to find is $29. This airfare is economy class on one-way F91376 flight for November 3, 2024 leaving Sky Harbor Intl in Phoenix at 7:15 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 10 airline carriers between Phoenix and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from Phoenix to Denver.

Nonstop flights

There are 42 direct flights every day from Phoenix. Airlines and fares are below:

  • AA - American Airlines
    from $121
    Find
  • UA - United Airlines
    from $111
    Find
See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • from $274
    Find
  • AA - American Airlines
    from $180
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  • AS - Alaska Airlines
    from $144
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  • SY - Sun Country Airlines
    from $132
    Find
  • DL - Delta Air Lines Inc.
    from $111
    Find
  • UA - United Airlines
    from $123
    Find
  • KG - Aerogaviota
    from $425
    Find
  • WS - WestJet
    from $652
    Find
  • G4 - Allegiant Air
    from $103
    Find
  • NK - Spirit Airlines
    from $206
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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