Cheap Flights from Philadelphia, PA to Denver, CO from $76

Return flight: Denver – Philadelphia

On Cheapflightsplus.com you will find 12 direct and 332 connecting flights from Philadelphia to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $76, book and save on cheap plane tickets and last minute offers. Also check out PHL-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Philadelphia to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $76 (one-way), $130 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Philadelphia to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:15 — 08:28
06:15 — 08:28 F93339 Frontier Airlines
Philadelphia — Denver
4h 13m
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from$76
08:00 — 10:03
08:00 — 10:03 UA2383 United Airlines
Philadelphia — Denver
4h 3m
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from$172
10:10 — 12:17
10:10 — 12:17 UA2359 United Airlines
Philadelphia — Denver
4h 7m
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from$168
10:10 — 12:17
10:10 — 12:17 UA1341 United Airlines
Philadelphia — Denver
4h 7m
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from$172
10:10 — 12:17
10:10 — 12:17 UA1252 United Airlines
Philadelphia — Denver
4h 7m
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from$199
10:15 — 12:20
10:15 — 12:20 UA1061 United Airlines
Philadelphia — Denver
4h 5m
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from$136
13:02 — 15:21
13:02 — 15:21 F93265 Frontier Airlines
Philadelphia — Denver
4h 19m
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from$87
15:39 — 17:58
15:39 — 17:58 UA720 United Airlines
Philadelphia — Denver
4h 19m
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from$140
15:40 — 17:53
15:40 — 17:53 UA2175 United Airlines
Philadelphia — Denver
4h 13m
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from$136
15:40 — 17:52
15:40 — 17:52 UA696 United Airlines
Philadelphia — Denver
4h 12m
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from$140
15:45 — 18:03
15:45 — 18:03 UA2419 United Airlines
Philadelphia — Denver
4h 18m
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from$202
15:45 — 18:03
15:45 — 18:03 UA1236 United Airlines
Philadelphia — Denver
4h 18m
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from$243
05:45 — 10:58
05:45 — 07:17 F92111 Frontier Airlines
Philadelphia — Chicago
1h 48m stop
09:05 — 10:58 F93173 Frontier Airlines
Chicago — Denver
7h 13m
including layover
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from$126
06:00 — 12:29
05:20 — 08:05 F92415 Frontier Airlines
Philadelphia — Orlando
1h 36m stop
06:20 — 08:39 F91733 Frontier Airlines
Orlando — Denver
8h 29m
including layover
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from$97
07:00 — 19:17
06:39 — 08:13 F92059 Frontier Airlines
Philadelphia — Raleigh
8h 53m stop
17:17 — 19:21 F92225 Frontier Airlines
Raleigh — Denver
14h 17m
including layover
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from$110
07:19 — 18:58
07:10 — 09:41 F91601 Frontier Airlines
Philadelphia — Las Vegas
6h 8m stop
15:46 — 18:57 F93540 Frontier Airlines
Las Vegas — Denver
13h 39m
including layover
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from$110
08:00 — 00:24
+1 day
08:00 — 10:52 F91473 Frontier Airlines
Philadelphia — Tampa
11h 42m stop
22:33 — 00:49 F92745 Frontier Airlines
Tampa — Denver
18h 24m
including layover
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from$110
08:10 — 17:17
08:00 — 10:52 F91473 Frontier Airlines
Philadelphia — Tampa
4h 13m stop
21:30 — 23:43 F93517 Frontier Airlines
Tampa — Denver
11h 7m
including layover
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from$118
09:15 — 18:41
08:38 — 11:26 F91807 Frontier Airlines
Philadelphia — Orlando
4h 34m stop
06:00 — 08:18 F91733 Frontier Airlines
Orlando — Denver
11h 26m
including layover
Find flight
from$141
09:15 — 23:11
08:38 — 11:26 F91807 Frontier Airlines
Philadelphia — Orlando
9h 3m stop
20:50 — 23:22 F93311 Frontier Airlines
Orlando — Denver
15h 56m
including layover
Find flight
from$154
12:07 — 19:20
13:05 — 14:34 F91517 Frontier Airlines
Philadelphia — Raleigh
3h 37m stop
13:45 — 15:55 F92225 Frontier Airlines
Raleigh — Denver
9h 13m
including layover
Find flight
from$143
12:47 — 20:45
12:47 — 13:58 F91617 Frontier Airlines
Philadelphia — Chicago
5h 3m stop
19:01 — 20:45 F91227 Frontier Airlines
Chicago — Denver
9h 58m
including layover
Find flight
from$150
13:02 — 19:59
13:40 — 16:15 F91003 Frontier Airlines
Philadelphia — Atlanta
3h stop
22:59 — 00:35 F91449 Frontier Airlines
Atlanta — Denver
8h 57m
including layover
Find flight
from$163
14:51 — 23:11
05:15 — 07:54 F92415 Frontier Airlines
Philadelphia — Orlando
3h 12m stop
20:50 — 23:22 F93311 Frontier Airlines
Orlando — Denver
10h 20m
including layover
Find flight
from$121
15:45 — 23:43
15:45 — 18:29 F92339 Frontier Airlines
Philadelphia — Tampa
3h 1m stop
21:30 — 23:43 F93517 Frontier Airlines
Tampa — Denver
9h 58m
including layover
Find flight
from$106
15:57 — 23:31
18:47 — 21:27 F93855 Frontier Airlines
Philadelphia — Orlando
2h 25m stop
20:59 — 23:31 F93311 Frontier Airlines
Orlando — Denver
9h 34m
including layover
Find flight
from$106
16:03 — 09:02
+1 day
16:03 — 18:47 F94807 Frontier Airlines
Philadelphia — Tampa
12h 13m stop
07:00 — 09:02 F91113 Frontier Airlines
Tampa — Denver
18h 59m
including layover
Find flight
from$140
17:36 — 08:25
+1 day
17:36 — 20:31 F94953 Frontier Airlines
Philadelphia — Miami
9h 23m stop
06:00 — 08:29 F91279 Frontier Airlines
Miami — Denver
16h 49m
including layover
Find flight
from$110
17:36 — 08:21
+1 day
17:36 — 20:37 F91203 Frontier Airlines
Philadelphia — Miami
9h 22m stop
06:00 — 08:25 F91279 Frontier Airlines
Miami — Denver
16h 45m
including layover
Find flight
from$114
18:10 — 23:56
15:59 — 18:43 F92339 Frontier Airlines
Philadelphia — Tampa
48m stop
22:33 — 00:49 F92745 Frontier Airlines
Tampa — Denver
7h 46m
including layover
Find flight
from$104
18:41 — 08:18
+1 day
16:29 — 19:11 F92505 Frontier Airlines
Philadelphia — Orlando
8h 39m stop
06:00 — 08:18 F91733 Frontier Airlines
Orlando — Denver
15h 37m
including layover
Find flight
from$111
19:43 — 19:25
+1 day
19:43 — 22:01 F94353 Frontier Airlines
Philadelphia — Charlotte
19h 30m stop
17:31 — 19:25 F92369 Frontier Airlines
Charlotte — Denver
25h 42m
including layover
Find flight
from$140
19:55 — 07:47
+1 day
08:00 — 10:48 F92507 Frontier Airlines
Philadelphia — Orlando
6h 48m stop
06:00 — 08:18 F91733 Frontier Airlines
Orlando — Denver
13h 52m
including layover
Find flight
from$141
20:23 — 08:02
+1 day
20:23 — 23:14 F94173 Frontier Airlines
Philadelphia — Orlando
6h 46m stop
06:00 — 08:02 F91733 Frontier Airlines
Orlando — Denver
13h 39m
including layover
Find flight
from$118
20:23 — 23:11
+1 day
20:23 — 23:14 F94173 Frontier Airlines
Philadelphia — Orlando
21h 45m stop
20:59 — 23:11 F93311 Frontier Airlines
Orlando — Denver
28h 48m
including layover
Find flight
from$118
22:29 — 23:11
+1 day
22:29 — 00:54 F94169 Frontier Airlines
Philadelphia — Orlando
20h 3m stop
20:59 — 23:31 F93311 Frontier Airlines
Orlando — Denver
26h 42m
including layover
Find flight
from$128
22:38 — 16:33
+1 day
18:39 — 19:55 F91617 Frontier Airlines
Philadelphia — Chicago
14h 53m stop
14:44 — 16:33 F92209 Frontier Airlines
Chicago — Denver
19h 55m
including layover
Find flight
from$118
05:45 — 16:03
+1 day
05:45 — 08:30 NK2232 Spirit Airlines
Philadelphia — Miami
12h 9m stop
20:39 — 22:40 G4262 Allegiant Air
Miami — Fletcher
16h 2m stop
14:42 — 16:03 G4227 Allegiant Air
Fletcher — Denver
36h 18m
including layover
Find flight
from$202
*Departure and arrival times - local. Updated on August 17, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Philadelphia to Denver depends on and how to choose the most interesting flight option for you.

Distance between Philadelphia and Denver is 2500 miles. Time difference between the cities is 2h. Airplanes depart 05:45 to 22:38 from 4 Philadelphia airports and arrive 05:45 to 22:38 to 2 Denver airports. Average flight time is 4h 13m.

  • The fastest flight 4h 3m
  • Average flight time 4h 13m
  • The earliest flight 05:45
  • The latest flight 22:38
  • Distance 1554 ml

The cheapest months to travel to Denver are november (from 70 $), august (from 70 $), july (from 76 $).

The most expensive months are february (from 202 $), september (from 140 $), october (from 140 $).

What is the lowest airfare Philadelphia to Denver?

The cheapest plane ticket found by our users is $76. This airfare is for economy class on one-way F93339 flight by Frontier Airlines for July 6, 2025 which leaves Philadelphia Int. in Philadelphia at 06:15 am and arrives at Denver Denver International at 08:28.

Economy class
$76
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Business class
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First class
?
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Popular Airlines on the Route

The flight Philadelphia — Denver is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 51 departures per week at the price of from $ 76 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 985.

Direct flights

There are 12 nonstop flights on the route. The fastest direct flight is UA2383 by United Airlines takes 4h 3m and the cheapest is F93339 by Frontier Airlines for $76.

See more direct flights

Connecting Flights

There are 332 flights with layovers on the route. The fastest connecting flight is UA511 by United Airlines takes 5h 45m and the cheapest is F93339 by Frontier Airlines for $97.

  • from $97
    Find
  • AS - Alaska Airlines
    from $246
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  • SY - Sun Country Airlines
    from $158
    Find
  • HA - Hawaiian Airlines
    from $238
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  • UA - United Airlines
    from $205
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  • NK - Spirit Airlines
    from $184
    Find
See more connecting flights

Airports

You can fly from Philadelphia to Denver from 4 airports (Philadelphia Int., North Philadelphia, Mustin Alf, Philadelphia Sea Plane Base).

Philadelphia airports

  • Philadelphia Int.-PHL
    from $76
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  • North Philadelphia-PNE
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  • Mustin Alf-MUV
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  • Philadelphia Sea Plane Base-PSQ
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Denver airports

  • Denver International-DEN
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  • Arapahoe Co-APA
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How to book a plane 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 flight ticket.
  • 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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