Frontier Airlines Phoenix to Denver Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from Phoenix to Denver. Compare airline ticket prices and book air tickets starting from $45 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 july: one-way - $45, two-way – $77.

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Cheap Flights from Phoenix to Denver by Frontier Airlines

Look at the list of plane tickets for the most popular direct and connecting flights by Frontier Airlines, their prices start from $45. The fastest nonstop flight takes 1h 53m. The fastest connecting flight — 4h 12m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $45 Find flight	7:18 am Phoenix Sky Harbor Intl	10:12 am Denver Denver International	1h 54m	Frontier Airlines	F91376
from $62 Find flight	6:25 pm Phoenix Sky Harbor Intl	9:18 pm Denver Denver International	1h 53m	Frontier Airlines	F91820
from $51 Find flight	12:55 pm Phoenix Sky Harbor Intl	4:00 am+1 день Denver Denver International	14h 5m layover 10h 47m - Las Vegas	Frontier Airlines	F93483 F91994
from $66 Find flight	8:02 am Phoenix Sky Harbor Intl	7:18 pm Denver Denver International	10h 16m layover 3h 26m - Covington	Frontier Airlines	F94240 F93285
from $69 Find flight	6:00 am Phoenix Sky Harbor Intl	11:12 am Denver Denver International	4h 12m layover 0h 53m - Salt Lake City	Frontier Airlines	F91440 F93982
from $73 Find flight	8:00 am Phoenix Sky Harbor Intl	3:59 am+1 день Denver Denver International	18h 59m layover 15h 40m - Las Vegas	Frontier Airlines	F93983 F91994
from $73 Find flight	8:00 am Phoenix Sky Harbor Intl	8:00 pm Denver Denver International	11h 0m layover 7h 32m - Las Vegas	Frontier Airlines	F93983 F93540
from $73 Find flight	8:00 am Phoenix Sky Harbor Intl	9:09 am+1 день Denver Denver International	24h 9m layover 20h 41m - Las Vegas	Frontier Airlines	F93983 F92350
from $74 Find flight	7:25 am Phoenix Sky Harbor Intl	7:40 am+1 день Denver Denver International	23h 15m layover 17h 43m - Houston	Frontier Airlines	F91704 F93229
from $74 Find flight	9:15 am Phoenix Sky Harbor Intl	10:20 pm Denver Denver International	12h 5m layover 8h 42m - Salt Lake City	Frontier Airlines	F91440 F93220
from $74 Find flight	3:08 pm Phoenix Sky Harbor Intl	7:14 am+1 день Denver Denver International	15h 6m layover 7h 48m - Detroit	Frontier Airlines	F94672 F92211
from $77 Find flight	4:31 pm Phoenix Sky Harbor Intl	8:56 am+1 день Denver Denver International	15h 25m layover 12h 5m - Salt Lake City	Frontier Airlines	F92524 F93862
from $79 Find flight	7:32 pm Phoenix Sky Harbor Intl	4:00 am+1 день Denver Denver International	7h 28m layover 4h 9m - Las Vegas	Frontier Airlines	F94113 F91994
from $79 Find flight	12:33 pm Phoenix Sky Harbor Intl	8:55 am+1 день Denver Denver International	19h 22m layover 16h 3m - Salt Lake City	Frontier Airlines	F91440 F93862
from $82 Find flight	2:11 pm Phoenix Sky Harbor Intl	2:19 pm+1 день Denver Denver International	23h 8m layover 16h 54m - Chicago	Frontier Airlines	F91736 F92209
from $85 Find flight	3:46 pm Phoenix Sky Harbor Intl	10:00 am+1 день Denver Denver International	17h 14m layover 13h 27m - San Diego	Frontier Airlines	F92083 F92818

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 06/28/2025

Frontier Airlines Flight Schedule Phoenix to Denver

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	Flight Details	Flight Time	Price
6:25 pm — 9:18 pm	6:25 pm — 9:18 pm F91820 Frontier Airlines Phoenix — Denver	1h 53m	Find flight from$62
7:18 am — 10:12 am	7:18 am — 10:12 am F91376 Frontier Airlines Phoenix — Denver	1h 54m	Find flight from$45
12:33 pm — 8:55 am +1 day	9:05 am — 10:54 am F91440 Frontier Airlines Phoenix — Salt Lake City 16h 3m stop 6:15 am — 8:01 am F93862 Frontier Airlines Salt Lake City — Denver	19h 22m including layover	Find flight from$79
12:55 pm — 4:00 am +1 day	11:19 am — 11:36 am F93483 Frontier Airlines Phoenix — Las Vegas 10h 47m stop 6:30 am — 9:38 am F91994 Frontier Airlines Las Vegas — Denver	14h 5m including layover	Find flight from$51
1:00 pm — 10:02 am +1 day	1:00 pm — 2:13 pm F91571 Frontier Airlines Phoenix — San Diego 16h 12m stop 6:25 am — 10:02 am F92818 Frontier Airlines San Diego — Denver	20h 2m including layover	Find flight from$91
2:11 pm — 2:19 pm +1 day	2:11 pm — 7:41 pm F91736 Frontier Airlines Phoenix — Chicago 16h 54m stop 12:35 pm — 2:19 pm F92209 Frontier Airlines Chicago — Denver	23h 8m including layover	Find flight from$82
3:08 pm — 7:14 am +1 day	11:59 pm — 6:57 am F94672 Frontier Airlines Phoenix — Detroit 7h 48m stop 6:00 am — 7:15 am F92211 Frontier Airlines Detroit — Denver	15h 6m including layover	Find flight from$74
3:50 pm — 10:22 pm	3:45 pm — 6:31 pm F92524 Frontier Airlines Phoenix — Salt Lake City 2h 12m stop 2:03 pm — 3:38 pm F93220 Frontier Airlines Salt Lake City — Denver	5h 32m including layover	Find flight from$69
4:31 pm — 8:56 am +1 day	2:27 pm — 4:15 pm F92524 Frontier Airlines Phoenix — Salt Lake City 12h 5m stop 6:15 am — 8:01 am F93862 Frontier Airlines Salt Lake City — Denver	15h 25m including layover	Find flight from$77
4:56 pm — 9:08 pm +1 day	5:01 pm — 11:51 pm F91472 Frontier Airlines Phoenix — Cleveland 19h 47m stop 7:50 pm — 9:19 pm F94637 Frontier Airlines Cleveland — Denver	27h 12m including layover	Find flight from$91
5:22 pm — 8:55 am +1 day	5:22 pm — 8:05 pm F93872 Frontier Airlines Phoenix — Salt Lake City 11h 15m stop 7:20 am — 8:55 am F93862 Frontier Airlines Salt Lake City — Denver	14h 33m including layover	Find flight from$85
5:22 pm — 4:26 pm +1 day	5:22 pm — 8:05 pm F93872 Frontier Airlines Phoenix — Salt Lake City 18h 40m stop 2:45 pm — 4:26 pm F93982 Frontier Airlines Salt Lake City — Denver	22h 4m including layover	Find flight from$85
6:00 am — 11:12 am	9:00 am — 11:49 am F91440 Frontier Airlines Phoenix — Salt Lake City 53m stop 2:45 pm — 4:26 pm F93982 Frontier Airlines Salt Lake City — Denver	4h 12m including layover	Find flight from$69
7:25 am — 7:40 am +1 day	7:25 am — 12:17 pm F91704 Frontier Airlines Phoenix — Houston 17h 43m stop 6:00 am — 7:40 am F93229 Frontier Airlines Houston — Denver	23h 15m including layover	Find flight from$74
8:00 am — 3:59 am +1 day	6:15 am — 6:31 am F93983 Frontier Airlines Phoenix — Las Vegas 15h 40m stop 6:05 am — 9:14 am F91994 Frontier Airlines Las Vegas — Denver	18h 59m including layover	Find flight from$73
8:02 am — 7:18 pm	8:02 am — 2:51 pm F94240 Frontier Airlines Phoenix — Covington 3h 26m stop 6:06 pm — 7:19 pm F93285 Frontier Airlines Covington — Denver	10h 16m including layover	Find flight from$66
9:15 am — 10:20 pm	9:00 am — 11:49 am F91440 Frontier Airlines Phoenix — Salt Lake City 8h 42m stop 8:43 pm — 10:26 pm F93220 Frontier Airlines Salt Lake City — Denver	12h 5m including layover	Find flight from$74

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 06/28/2025

Flight Information

There are 2 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 12:33 pm to 9:15 am. Nonstop flight is 1h 53m. The time difference between Phoenix and Denver is 0h.

The fastest flight 1h 53m
Average flight time 1h 54m
The earliest flight 12:33 pm
The latest flight 9:15 am
Distance 603 ml

The cheapest months for traveling to Denver are june (from 60 $), november (from 69 $), july (from 69 $).

The most expensive and popular months are december (from 304 $), february (from 106 $), january (from 106 $).

The cheapest flight by Frontier Airlines that our users were able to find is $45. This airfare is economy class on one-way F91376 flight for June 29, 2025 leaving Sky Harbor Intl in Phoenix at 7:18 am, it includes all taxes and additional fees.

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Frontier Airlines Airplanes on the Route

List of the most popular Frontier Airlines airplanes flying from Phoenix to Denver:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 8 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 11 direct flights every day from Phoenix. Airlines and fares are below:

UA - United Airlines

from $71

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Connecting Flights

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

AS - Alaska Airlines

from $63

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SY - Sun Country Airlines

from $105

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HA - Hawaiian Airlines

from $56

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LF - flynordic

from $90

Find
UA - United Airlines

from $152

Find
KG - Aerogaviota

from $179

Find
G4 - Allegiant Air

from $75

Find
NK - Spirit Airlines

from $129

Find

See more connecting flights

How to book an air ticket yourself?

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