Cheap Flights from Philadelphia, PA to Denver, CO from $55

One way Round trip

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On Cheapflightsplus.com you will find 9 direct and 250 connecting flights from Philadelphia to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $55, 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: $55 (one-way), $94 (round-trip).

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Best Flights from Philadelphia to Denver Today

Take a look at the list of non stop flights and flights with layovers from Philadelphia to Denver with the lowest price of $55. The fastest direct flight takes 4h 3m and the fastest connecting – 5h 45m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $55 Find flight	06:15 Philadelphia Philadelphia Int.	08:28 Denver Denver International	4h 13m	Frontier Airlines	F93339
from $63 Find flight	13:02 Philadelphia Philadelphia Int.	15:21 Denver Denver International	4h 19m	Frontier Airlines	F93265
from $99 Find flight	10:15 Philadelphia Philadelphia Int.	12:20 Denver Denver International	4h 5m	United Airlines	UA1061
from $123 Find flight	10:10 Philadelphia Philadelphia Int.	12:17 Denver Denver International	4h 7m	United Airlines	UA2359
from $71 Find flight	06:00 Philadelphia Philadelphia Int.	12:29 Denver Denver International	8h 29m layover 1h 36m - Orlando	Frontier Airlines	F92415 F91733
from $84 Find flight	07:00 Philadelphia Philadelphia Int.	19:17 Denver Denver International	14h 17m layover 8h 53m - Raleigh	Frontier Airlines	F92059 F92225
from $84 Find flight	17:36 Philadelphia Philadelphia Int.	08:21+1 день Denver Denver International	16h 45m layover 9h 22m - Miami	Frontier Airlines	F91203 F91279
from $84 Find flight	07:19 Philadelphia Philadelphia Int.	04:00+1 день Denver Denver International	22h 41m layover 15h 21m - Las Vegas	Frontier Airlines	F91601 F91994
from $86 Find flight	08:10 Philadelphia Philadelphia Int.	17:17 Denver Denver International	11h 7m layover 4h 13m - Tampa	Frontier Airlines	F91473 F93517
from $86 Find flight	07:19 Philadelphia Philadelphia Int.	18:58 Denver Denver International	13h 39m layover 6h 8m - Las Vegas	Frontier Airlines	F91601 F93540
from $86 Find flight	20:23 Philadelphia Philadelphia Int.	08:02+1 день Denver Denver International	13h 39m layover 6h 46m - Orlando	Frontier Airlines	F94173 F91733
from $86 Find flight	17:48 Philadelphia Philadelphia Int.	08:53+1 день Denver Denver International	17h 5m layover 11h 43m - Chicago	Frontier Airlines	F92111 F91483
from $86 Find flight	22:38 Philadelphia Philadelphia Int.	16:33+1 день Denver Denver International	19h 55m layover 14h 53m - Chicago	Frontier Airlines	F91617 F92209
from $86 Find flight	08:10 Philadelphia Philadelphia Int.	08:57+1 день Denver Denver International	26h 47m layover 19h 59m - Tampa	Frontier Airlines	F91473 F91113
from $86 Find flight	20:23 Philadelphia Philadelphia Int.	23:11+1 день Denver Denver International	28h 48m layover 21h 45m - Orlando	Frontier Airlines	F94173 F93311
from $97 Find flight	22:29 Philadelphia Philadelphia Int.	07:47+1 день Denver Denver International	11h 18m layover 4h 22m - Orlando	Frontier Airlines	F94169 F91733

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 07, 2025

Flight Schedule Philadelphia (Pennsylvania) to Denver (Colorado)

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	Flight Details	Flight Duration	Price
06:15 — 08:28	06:15 — 08:28 F93339 Frontier Airlines Philadelphia — Denver	4h 13m	Find flight from$55
08:00 — 10:03	08:00 — 10:03 UA2383 United Airlines Philadelphia — Denver	4h 3m	Find flight from$126
10:10 — 12:17	10:10 — 12:17 UA2359 United Airlines Philadelphia — Denver	4h 7m	Find flight from$123
10:10 — 12:17	10:10 — 12:17 UA1341 United Airlines Philadelphia — Denver	4h 7m	Find flight from$126
10:15 — 12:20	10:15 — 12:20 UA1061 United Airlines Philadelphia — Denver	4h 5m	Find flight from$99
13:02 — 15:21	13:02 — 15:21 F93265 Frontier Airlines Philadelphia — Denver	4h 19m	Find flight from$63
15:39 — 17:58	15:39 — 17:58 UA720 United Airlines Philadelphia — Denver	4h 19m	Find flight from$103
15:40 — 17:53	15:40 — 17:53 UA2175 United Airlines Philadelphia — Denver	4h 13m	Find flight from$99
15:40 — 17:52	15:40 — 17:52 UA696 United Airlines Philadelphia — Denver	4h 12m	Find flight from$102
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	Find flight from$93
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	Find flight from$71
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	Find flight from$84
07:19 — 04:00 +1 day	07:10 — 09:41 F91601 Frontier Airlines Philadelphia — Las Vegas 15h 21m stop 00:59 — 04:00 F91994 Frontier Airlines Las Vegas — Denver	22h 41m including layover	Find flight from$84
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	Find flight from$86
08:10 — 08:57 +1 day	08:00 — 10:52 F91473 Frontier Airlines Philadelphia — Tampa 19h 59m stop 06:50 — 09:01 F91113 Frontier Airlines Tampa — Denver	26h 47m including layover	Find flight from$86
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$113
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$113
10:44 — 19:26	07:10 — 09:02 F92387 Frontier Airlines Philadelphia — Charlotte 4h 52m stop 17:27 — 19:25 F92369 Frontier Airlines Charlotte — Denver	10h 42m including layover	Find flight from$102
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$105
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$110
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$120
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$104
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$84
17:48 — 08:53 +1 day	15:39 — 17:01 F92111 Frontier Airlines Philadelphia — Chicago 11h 43m stop 06:00 — 08:02 F91483 Frontier Airlines Chicago — Denver	17h 5m including layover	Find flight from$86
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$99
18:10 — 08:56 +1 day	15:59 — 18:43 F92339 Frontier Airlines Philadelphia — Tampa 9h 58m stop 06:50 — 09:01 F91113 Frontier Airlines Tampa — Denver	16h 46m including layover	Find flight from$103
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$102
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$103
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$86
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$86
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$93
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$86

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

*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 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 12m.

The fastest flight 4h 3m
Average flight time 4h 12m
The earliest flight 05:45
The latest flight 22:38
Distance 1554 ml

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

The most expensive months are february (from 198 $), september (from 137 $), october (from 137 $).

What is the lowest airfare Philadelphia to Denver?

The cheapest plane ticket found by our users is $55. This airfare is for economy class on one-way F93339 flight by Frontier Airlines for July 14, 2025 which leaves Philadelphia Int. in Philadelphia at 06:15 am and arrives at Denver Denver International at 08:28.

Economy class

$55

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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 - 39 departures per week at the price of from $ 55 . And the most expensive tickets are offered by Spirit Airlines airline - from $ 438.

Direct flights

There are 9 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 $55.

F9 - Frontier Airlines

from $55

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UA - United Airlines

from $99

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Connecting Flights

There are 250 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 $71.

F9 - Frontier Airlines

from $71

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AS - Alaska Airlines

from $180

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SY - Sun Country Airlines

from $116

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HA - Hawaiian Airlines

from $174

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UA - United Airlines

from $150

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NK - Spirit Airlines

from $135

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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 $55
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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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Airplanes

There are flights to Denver from Philadelphia by 6 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Philadelphia

You may also consider searching for discounted plane tickets to some other popular places from Philadelphia within United States.

Philadelphia — Orlando

from $62

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Philadelphia — Boston

from $54

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Philadelphia — Miami

from $78

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Philadelphia — Chicago

from $79

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Philadelphia — Atlanta

from $60

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Philadelphia — Denver

from $78

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Philadelphia — Las Vegas

from $64

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Philadelphia — Nashville

from $70

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Philadelphia — Houston

from $62

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Philadelphia — Charleston

from $64

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Top International Destinations from Philadelphia

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Philadelphia — Punta Cana

from $79

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Philadelphia — Rome

from $63

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Philadelphia — Paris

from $70

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Philadelphia — Dublin

from $67

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Philadelphia — San Juan

from $54

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Philadelphia — Aruba

from $63

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Philadelphia — Montreal

from $70

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Philadelphia — Amsterdam

from $79

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Philadelphia — Vancouver

from $69

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Philadelphia — Madrid

from $74

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How to book a plane 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.
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