Cheap Flights from Denver, CO to Philadelphia, PA from $51

Return flight: Philadelphia – Denver

On Cheapflightsplus.com you will find 8 direct and 193 connecting flights from Denver to Philadelphia. You can compare airfare deals from 6 airlines and multiple travel sites from $51, book and save on cheap plane tickets and last minute offers. Also check out DEN-PHL flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to Philadelphia 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: $51 (one-way), $87 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Denver to Philadelphia. 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
10:16 — 15:55
10:16 — 15:55 UA2437 United Airlines
Denver — Philadelphia
3h 39m
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from$147
10:17 — 15:56
10:17 — 15:56 UA1575 United Airlines
Denver — Philadelphia
3h 39m
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from$99
10:25 — 16:04
10:25 — 16:04 UA2679 United Airlines
Denver — Philadelphia
3h 39m
Find flight
from$147
10:25 — 16:04
10:25 — 16:04 UA2637 United Airlines
Denver — Philadelphia
3h 39m
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from$186
13:45 — 19:20
13:45 — 19:20 UA1973 United Airlines
Denver — Philadelphia
3h 35m
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from$99
17:31 — 23:06
17:31 — 23:06 UA360 United Airlines
Denver — Philadelphia
3h 35m
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from$99
23:15 — 04:49
+1 day
23:15 — 04:49 F93340 Frontier Airlines
Denver — Philadelphia
3h 34m
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from$74
23:59 — 05:35
+1 day
23:59 — 05:35 UA1218 United Airlines
Denver — Philadelphia
3h 36m
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from$100
00:04 — 20:07
00:20 — 06:03 F91734 Frontier Airlines
Denver — Orlando
11h 51m stop
18:52 — 21:32 F94170 Frontier Airlines
Orlando — Philadelphia
18h 3m
including layover
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from$93
00:59 — 09:54
23:49 — 04:52 F93294 Frontier Airlines
Denver — Atlanta
1h 33m stop
12:06 — 14:07 F93210 Frontier Airlines
Atlanta — Philadelphia
6h 55m
including layover
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from$51
05:10 — 16:39
05:10 — 08:35 UA320 United Airlines
Denver — Houston
3h 43m stop
12:18 — 16:39 UA2196 United Airlines
Houston — Philadelphia
9h 29m
including layover
Find flight
from$159
06:00 — 19:23
06:00 — 11:47 F93312 Frontier Airlines
Denver — Orlando
4h 53m stop
16:40 — 19:23 F93856 Frontier Airlines
Orlando — Philadelphia
11h 23m
including layover
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from$137
06:30 — 16:48
06:06 — 09:11 F91324 Frontier Airlines
Denver — Dallas
2h 39m stop
12:14 — 16:48 F92970 Frontier Airlines
Dallas — Philadelphia
8h 18m
including layover
Find flight
from$98
07:45 — 16:39
07:45 — 11:12 UA1720 United Airlines
Denver — Houston
1h 6m stop
12:18 — 16:39 UA2196 United Airlines
Houston — Philadelphia
6h 54m
including layover
Find flight
from$159
08:15 — 21:43
17:26 — 20:53 F92210 Frontier Airlines
Denver — Chicago
7h stop
20:52 — 23:56 F94368 Frontier Airlines
Chicago — Philadelphia
11h 28m
including layover
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from$89
08:52 — 19:33
09:08 — 14:53 F93312 Frontier Airlines
Denver — Orlando
2h 7m stop
09:01 — 11:37 F92416 Frontier Airlines
Orlando — Philadelphia
8h 41m
including layover
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from$99
09:47 — 07:34
+1 day
09:08 — 14:53 F93312 Frontier Airlines
Denver — Orlando
13h 33m stop
05:05 — 07:40 F91542 Frontier Airlines
Orlando — Philadelphia
19h 47m
including layover
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from$102
09:47 — 18:50
06:00 — 11:44 F93312 Frontier Airlines
Denver — Orlando
42m stop
20:59 — 23:48 F94404 Frontier Airlines
Orlando — Philadelphia
7h 3m
including layover
Find flight
from$105
10:17 — 11:02
+1 day
10:17 — 13:18 SY652 Sun Country Airlines
Denver — Minneapolis
18h 6m stop
07:24 — 11:02 SY1675 Sun Country Airlines
Minneapolis — Philadelphia
22h 45m
including layover
Find flight
from$145
11:04 — 10:31
+1 day
10:59 — 16:32 F92440 Frontier Airlines
Denver — Raleigh
16h 32m stop
09:10 — 10:41 F92060 Frontier Airlines
Raleigh — Philadelphia
21h 27m
including layover
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from$93
11:04 — 21:22
10:59 — 16:32 F92440 Frontier Airlines
Denver — Raleigh
3h 21m stop
19:52 — 21:24 F92072 Frontier Airlines
Raleigh — Philadelphia
8h 18m
including layover
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from$99
12:05 — 05:46
+1 day
09:44 — 10:51 F91993 Frontier Airlines
Denver — Las Vegas
8h 43m stop
21:47 — 05:38 F91602 Frontier Airlines
Las Vegas — Philadelphia
15h 41m
including layover
Find flight
from$110
12:25 — 23:55
12:25 — 17:23 F93600 Frontier Airlines
Denver — Atlanta
4h 28m stop
21:51 — 23:55 F91102 Frontier Airlines
Atlanta — Philadelphia
9h 30m
including layover
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from$93
13:30 — 22:26
13:30 — 16:58 UA1116 United Airlines
Denver — Houston
1h 7m stop
18:05 — 22:26 UA1663 United Airlines
Houston — Philadelphia
6h 56m
including layover
Find flight
from$153
14:37 — 05:46
+1 day
14:00 — 15:12 F92349 Frontier Airlines
Denver — Las Vegas
6h 5m stop
23:00 — 06:38 F91602 Frontier Airlines
Las Vegas — Philadelphia
13h 9m
including layover
Find flight
from$110
14:45 — 00:14
+1 day
14:44 — 18:24 UA1023 United Airlines
Denver — Chicago
2h 39m stop
21:23 — 00:30 UA2487 United Airlines
Chicago — Philadelphia
7h 29m
including layover
Find flight
from$162
16:10 — 00:37
+1 day
16:10 — 19:50 UA213 United Airlines
Denver — Chicago
1h 38m stop
21:28 — 00:37 UA2487 United Airlines
Chicago — Philadelphia
6h 27m
including layover
Find flight
from$168
16:17 — 00:14
+1 day
16:17 — 19:57 UA1224 United Airlines
Denver — Chicago
1h 8m stop
21:05 — 00:14 UA2487 United Airlines
Chicago — Philadelphia
5h 57m
including layover
Find flight
from$163
17:59 — 11:10
+1 day
17:01 — 20:02 SY656 Sun Country Airlines
Denver — Minneapolis
10h 36m stop
07:30 — 11:04 SY1775 Sun Country Airlines
Minneapolis — Philadelphia
15h 11m
including layover
Find flight
from$126
18:07 — 11:02
+1 day
18:07 — 21:08 SY658 Sun Country Airlines
Denver — Minneapolis
10h 16m stop
07:24 — 11:02 SY1675 Sun Country Airlines
Minneapolis — Philadelphia
14h 55m
including layover
Find flight
from$115
18:10 — 05:49
+1 day
17:46 — 18:55 F94967 Frontier Airlines
Denver — Las Vegas
2h 39m stop
21:47 — 05:38 F91602 Frontier Airlines
Las Vegas — Philadelphia
9h 39m
including layover
Find flight
from$99
19:00 — 11:10
+1 day
18:54 — 21:58 SY658 Sun Country Airlines
Denver — Minneapolis
9h 35m stop
07:36 — 11:11 SY1775 Sun Country Airlines
Minneapolis — Philadelphia
14h 10m
including layover
Find flight
from$126
20:21 — 11:43
+1 day
20:22 — 23:52 F93174 Frontier Airlines
Denver — Chicago
8h 25m stop
11:36 — 14:44 F92112 Frontier Airlines
Chicago — Philadelphia
13h 22m
including layover
Find flight
from$164
20:22 — 09:21
+1 day
20:31 — 00:10 F93172 Frontier Airlines
Denver — Chicago
6h 22m stop
20:27 — 23:53 F92112 Frontier Airlines
Chicago — Philadelphia
10h 59m
including layover
Find flight
from$89
23:59 — 11:57
+1 day
23:58 — 05:33 F91114 Frontier Airlines
Denver — Tampa
3h 48m stop
11:57 — 14:40 F92340 Frontier Airlines
Tampa — Philadelphia
9h 58m
including layover
Find flight
from$88
07:00 — 17:10
+1 day
07:00 — 09:57 SY1610 Sun Country Airlines
Denver — Minneapolis
22h 3m stop
08:00 — 10:39 SY1981 Sun Country Airlines
Minneapolis — Detroit
4h 55m stop
15:34 — 17:10 NK1013 Spirit Airlines
Detroit — Philadelphia
32h 10m
including layover
Find flight
from$147
19:00 — 22:21
+1 day
19:00 — 22:01 SY658 Sun Country Airlines
Denver — Minneapolis
17h 11m stop
15:12 — 17:53 SY1907 Sun Country Airlines
Minneapolis — Detroit
2h 52m stop
20:45 — 22:21 NK1072 Spirit Airlines
Detroit — Philadelphia
25h 21m
including layover
Find flight
from$156
*Departure and arrival times - local. Updated on June 7, 2025

Flight Information

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

Distance between Denver and Philadelphia is 2500 miles. Time difference between the cities is 2h. Airplanes depart 00:04 to 23:59 from 2 Denver airports and arrive 00:04 to 23:59 to 4 Philadelphia airports. Average flight time is 3h 38m.

  • The fastest flight 3h 34m
  • Average flight time 3h 38m
  • The earliest flight 00:04
  • The latest flight 23:59
  • Distance 1554 ml

The cheapest months to travel to Philadelphia are november (from 68 $), june (from 68 $), january (from 96 $).

The most expensive months are december (from 169 $), october (from 124 $), july (from 119 $).

What is the lowest airfare Denver to Philadelphia?

The cheapest plane ticket found by our users is $51. This airfare is for economy class on one-way F93294 flight by Frontier Airlines for June 11, 2025 which leaves Denver International in Denver at 00:59 am and arrives at Philadelphia Philadelphia Int. at 09:54.

Economy class
$51
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Business class
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First class
?
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Popular Airlines on the Route

The flight Denver — Philadelphia is served by 6 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 72 departures per week at the price of from $ 99 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 402.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is F93340 by Frontier Airlines takes 3h 34m and the cheapest is F93294 by Frontier Airlines for $74.

See more direct flights

Connecting Flights

There are 193 flights with layovers on the route. The fastest connecting flight is UA798 by United Airlines takes 5h 20m and the cheapest is F93294 by Frontier Airlines for $51.

  • from $153
    Find
  • AS - Alaska Airlines
    from $180
    Find
  • F9 - Frontier Airlines
    from $51
    Find
  • SY - Sun Country Airlines
    from $115
    Find
  • HA - Hawaiian Airlines
    from $174
    Find
  • G4 - Allegiant Air
    from $164
    Find
See more connecting flights

Airports

You can fly from Denver to Philadelphia from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $51
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  • Arapahoe Co-APA
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Philadelphia airports

  • Philadelphia Int.-PHL
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  • North Philadelphia-PNE
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  • Mustin Alf-MUV
    Find
  • Philadelphia Sea Plane Base-PSQ
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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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