Frontier Airlines Philadelphia to Denver Flights

Cheapflightsplus.com will find cheap Frontier Airlines flights from Philadelphia to Denver. Compare airline ticket prices and book air tickets starting from $55 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 Philadelphia (PA) — 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 june: one-way - $55, two-way – $94.
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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
1:02 pm — 3:21 pm
1:02 pm — 3:21 pm F93265 Frontier Airlines
Philadelphia — Denver
4h 19m
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from$63
6:15 am — 8:28 am
6:15 am — 8:28 am F93339 Frontier Airlines
Philadelphia — Denver
4h 13m
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from$55
10:29 pm — 11:11 pm
+1 day
10:29 pm — 0:54 am F94169 Frontier Airlines
Philadelphia — Orlando
20h 3m stop
8:59 pm — 11:31 pm F93311 Frontier Airlines
Orlando — Denver
26h 42m
including layover
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from$93
10:38 pm — 4:33 pm
+1 day
6:39 pm — 7:55 pm F91617 Frontier Airlines
Philadelphia — Chicago
14h 53m stop
2:44 pm — 4:33 pm F92209 Frontier Airlines
Chicago — Denver
19h 55m
including layover
Find flight
from$86
11:36 am — 2:48 pm
+1 day
11:36 am — 2:24 pm F94807 Frontier Airlines
Philadelphia — Tampa
22h 7m stop
12:31 pm — 2:48 pm F92745 Frontier Airlines
Tampa — Denver
29h 12m
including layover
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from$177
12:07 pm — 7:20 pm
1:05 pm — 2:34 pm F91517 Frontier Airlines
Philadelphia — Raleigh
3h 37m stop
1:45 pm — 3:55 pm F92225 Frontier Airlines
Raleigh — Denver
9h 13m
including layover
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from$105
12:47 pm — 8:45 pm
12:47 pm — 1:58 pm F91617 Frontier Airlines
Philadelphia — Chicago
5h 3m stop
7:01 pm — 8:45 pm F91227 Frontier Airlines
Chicago — Denver
9h 58m
including layover
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from$110
1:02 pm — 7:59 pm
1:40 pm — 4:15 pm F91003 Frontier Airlines
Philadelphia — Atlanta
3h stop
10:59 pm — 0:35 am F91449 Frontier Airlines
Atlanta — Denver
8h 57m
including layover
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from$120
2:51 pm — 11:11 pm
5:15 am — 7:54 am F92415 Frontier Airlines
Philadelphia — Orlando
3h 12m stop
8:50 pm — 11:22 pm F93311 Frontier Airlines
Orlando — Denver
10h 20m
including layover
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from$104
4:32 pm — 4:03 pm
+1 day
4:32 pm — 7:24 pm F92505 Frontier Airlines
Philadelphia — Orlando
18h 27m stop
1:51 pm — 4:03 pm F94919 Frontier Airlines
Orlando — Denver
25h 31m
including layover
Find flight
from$204
5:36 pm — 8:21 am
+1 day
5:36 pm — 8:37 pm F91203 Frontier Airlines
Philadelphia — Miami
9h 22m stop
6:00 am — 8:25 am F91279 Frontier Airlines
Miami — Denver
16h 45m
including layover
Find flight
from$84
5:48 pm — 8:53 am
+1 day
3:39 pm — 5:01 pm F92111 Frontier Airlines
Philadelphia — Chicago
11h 43m stop
6:00 am — 8:02 am F91483 Frontier Airlines
Chicago — Denver
17h 5m
including layover
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from$86
6:00 am — 12:29 pm
5:20 am — 8:05 am F92415 Frontier Airlines
Philadelphia — Orlando
1h 36m stop
6:20 am — 8:39 am F91733 Frontier Airlines
Orlando — Denver
8h 29m
including layover
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from$71
7:00 am — 7:17 pm
6:39 am — 8:13 am F92059 Frontier Airlines
Philadelphia — Raleigh
8h 53m stop
5:17 pm — 7:21 pm F92225 Frontier Airlines
Raleigh — Denver
14h 17m
including layover
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from$84
7:19 am — 4:00 am
+1 day
7:10 am — 9:41 am F91601 Frontier Airlines
Philadelphia — Las Vegas
15h 21m stop
0:59 am — 4:00 am F91994 Frontier Airlines
Las Vegas — Denver
22h 41m
including layover
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from$84
8:10 am — 8:57 am
+1 day
8:00 am — 10:52 am F91473 Frontier Airlines
Philadelphia — Tampa
19h 59m stop
6:50 am — 9:01 am F91113 Frontier Airlines
Tampa — Denver
26h 47m
including layover
Find flight
from$86
8:10 am — 5:17 pm
8:00 am — 10:52 am F91473 Frontier Airlines
Philadelphia — Tampa
4h 13m stop
9:30 pm — 11:43 pm F93517 Frontier Airlines
Tampa — Denver
11h 7m
including layover
Find flight
from$86
9:15 am — 6:41 pm
8:38 am — 11:26 am F91807 Frontier Airlines
Philadelphia — Orlando
4h 34m stop
6:00 am — 8:18 am F91733 Frontier Airlines
Orlando — Denver
11h 26m
including layover
Find flight
from$113
9:15 am — 11:11 pm
8:38 am — 11:26 am F91807 Frontier Airlines
Philadelphia — Orlando
9h 3m stop
8:50 pm — 11:22 pm F93311 Frontier Airlines
Orlando — Denver
15h 56m
including layover
Find flight
from$113
*Departure and arrival times are local. Last updated on 06/07/2025

Flight Information

There are 2 flights by Frontier Airlines from Philadelphia to Denver every week with departures from Philadelphia Int., Mustin Alf, North Philadelphia, Philadelphia Sea Plane Base. All flights arrive at Denver International and Arapahoe Co.

Departures start from 10:29 pm to 9:15 am. Nonstop flight is 4h 13m. The time difference between Philadelphia and Denver is 2h.

  • The fastest flight 4h 13m
  • Average flight time 4h 16m
  • The earliest flight 10:29 pm
  • The latest flight 9:15 am
  • Distance 1554 ml

The cheapest months for traveling to Denver are november (from 68 $), june (from 68 $), july (from 74 $).

The most expensive and popular months are september (from 237 $), february (from 198 $), august (from 99 $).

The cheapest flight by Frontier Airlines that our users were able to find is $55. This airfare is economy class on one-way F93339 flight for July 14, 2025 leaving Philadelphia Int. in Philadelphia at 6:15 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 5 airline carriers between Philadelphia and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from Philadelphia to Denver.

Nonstop flights

There are 9 direct flights every day from Philadelphia. Airlines and fares are below:

  • UA - United Airlines
    from $99
    Find
See more direct flights

Connecting Flights

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

  • AS - Alaska Airlines
    from $180
    Find
  • SY - Sun Country Airlines
    from $116
    Find
  • HA - Hawaiian Airlines
    from $174
    Find
  • UA - United Airlines
    from $150
    Find
  • NK - Spirit Airlines
    from $135
    Find
See more connecting flights

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  • 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.

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