Cheap Flights from Philadelphia, PA to Denver, CO from $77

One way Round trip

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On Cheapflightsplus.com you will find 5 direct and 79 connecting flights from Philadelphia to Denver. You can compare airfare deals from 6 airlines and multiple travel sites from $77, 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: $77 (one-way), $132 (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 $77. The fastest direct flight takes 4h 3m and the fastest connecting – 5h 57m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $113 Find flight	06:15 Philadelphia Philadelphia Int.	08:37 Denver Denver International	4h 22m	Frontier Airlines	F93339
from $147 Find flight	15:45 Philadelphia Philadelphia Int.	18:03 Denver Denver International	4h 18m	United Airlines	UA2419
from $183 Find flight	08:00 Philadelphia Philadelphia Int.	10:03 Denver Denver International	4h 3m	United Airlines	UA2383
from $282 Find flight	12:59 Philadelphia Philadelphia Int.	15:20 Denver Denver International	4h 21m	Frontier Airlines	F93265
from $77 Find flight	15:57 Philadelphia Philadelphia Int.	23:31 Denver Denver International	9h 34m layover 2h 25m - Orlando	Frontier Airlines	F93855 F93311
from $77 Find flight	15:45 Philadelphia Philadelphia Int.	23:43 Denver Denver International	9h 58m layover 3h 1m - Tampa	Frontier Airlines	F92339 F93517
from $81 Find flight	18:41 Philadelphia Philadelphia Int.	08:18+1 день Denver Denver International	15h 37m layover 8h 39m - Orlando	Frontier Airlines	F92505 F91733
from $81 Find flight	15:24 Philadelphia Philadelphia Int.	08:29+1 день Denver Denver International	19h 5m layover 11h 41m - Miami	Frontier Airlines	F93379 F91279
from $88 Find flight	05:15 Philadelphia Philadelphia Int.	23:22 Denver Denver International	20h 7m layover 12h 56m - Orlando	Frontier Airlines	F92415 F93311
from $96 Find flight	08:00 Philadelphia Philadelphia Int.	23:31 Denver Denver International	17h 31m layover 10h 11m - Orlando	Frontier Airlines	F92507 F93311
from $97 Find flight	08:00 Philadelphia Philadelphia Int.	23:43 Denver Denver International	17h 43m layover 10h 38m - Tampa	Frontier Airlines	F91473 F93517
from $97 Find flight	08:00 Philadelphia Philadelphia Int.	09:01+1 день Denver Denver International	27h 1m layover 19h 58m - Tampa	Frontier Airlines	F91473 F91113
from $99 Find flight	08:00 Philadelphia Philadelphia Int.	14:23 Denver Denver International	8h 23m layover 2h 10m - Dallas	Frontier Airlines	F93985 F92631
from $103 Find flight	22:29 Philadelphia Philadelphia Int.	08:18+1 день Denver Denver International	11h 49m layover 5h 6m - Orlando	Frontier Airlines	F94169 F91733
from $103 Find flight	07:10 Philadelphia Philadelphia Int.	18:57 Denver Denver International	13h 47m layover 6h 5m - Las Vegas	Frontier Airlines	F91601 F93540
from $111 Find flight	06:39 Philadelphia Philadelphia Int.	19:21 Denver Denver International	14h 42m layover 9h 4m - Raleigh	Frontier Airlines	F92059 F92225

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 16, 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 — 08:37	06:15 — 08:37 F93339 Frontier Airlines Philadelphia — Denver	4h 22m	Find flight from$113
08:00 — 10:03	08:00 — 10:03 UA2383 United Airlines Philadelphia — Denver	4h 3m	Find flight from$183
10:10 — 12:17	10:10 — 12:17 UA1252 United Airlines Philadelphia — Denver	4h 7m	Find flight from$153
12:59 — 15:20	12:59 — 15:20 F93265 Frontier Airlines Philadelphia — Denver	4h 21m	Find flight from$282
15:45 — 18:03	15:45 — 18:03 UA2419 United Airlines Philadelphia — Denver	4h 18m	Find flight from$147
05:15 — 23:22	05:15 — 07:54 F92415 Frontier Airlines Philadelphia — Orlando 12h 56m stop 20:50 — 23:22 F93311 Frontier Airlines Orlando — Denver	20h 7m including layover	Find flight from$88
05:15 — 08:18 +1 day	05:20 — 08:05 F92415 Frontier Airlines Philadelphia — Orlando 22h 6m stop 06:20 — 08:39 F91733 Frontier Airlines Orlando — Denver	29h 3m including layover	Find flight from$103
06:39 — 19:21	06:39 — 08:13 F92059 Frontier Airlines Philadelphia — Raleigh 9h 4m stop 17:17 — 19:21 F92225 Frontier Airlines Raleigh — Denver	14h 42m including layover	Find flight from$111
07:10 — 18:57	07:10 — 09:41 F91601 Frontier Airlines Philadelphia — Las Vegas 6h 5m stop 15:46 — 18:57 F93540 Frontier Airlines Las Vegas — Denver	13h 47m including layover	Find flight from$103
07:10 — 22:45	07:10 — 09:41 F91601 Frontier Airlines Philadelphia — Las Vegas 9h 59m stop 20:00 — 23:10 F94612 Frontier Airlines Las Vegas — Denver	17h 35m including layover	Find flight from$103
08:00 — 23:31	08:00 — 10:48 F92507 Frontier Airlines Philadelphia — Orlando 10h 11m stop 20:59 — 23:31 F93311 Frontier Airlines Orlando — Denver	17h 31m including layover	Find flight from$96
08:00 — 08:18 +1 day	08:00 — 10:48 F92507 Frontier Airlines Philadelphia — Orlando 19h 12m stop 06:00 — 08:18 F91733 Frontier Airlines Orlando — Denver	26h 18m including layover	Find flight from$96
10:50 — 21:42	13:40 — 16:15 F91003 Frontier Airlines Philadelphia — Atlanta 6h 49m stop 22:59 — 00:35 F91449 Frontier Airlines Atlanta — Denver	12h 52m including layover	Find flight from$149
11:18 — 18:12	11:18 — 12:42 UA2226 United Airlines Philadelphia — Chicago 3h 38m stop 16:20 — 18:12 UA1801 United Airlines Chicago — Denver	8h 54m including layover	Find flight from$233
11:49 — 19:21	13:05 — 14:34 F91517 Frontier Airlines Philadelphia — Raleigh 3h 56m stop 13:45 — 15:55 F92225 Frontier Airlines Raleigh — Denver	9h 32m including layover	Find flight from$145
12:09 — 17:27	12:09 — 14:06 SY1776 Sun Country Airlines Philadelphia — Minneapolis 2h 6m stop 16:12 — 17:27 SY657 Sun Country Airlines Minneapolis — Denver	7h 18m including layover	Find flight from$272
14:50 — 19:51	14:50 — 16:00 UA6174 United Airlines Philadelphia — Washington D.C. 1h 36m stop 17:36 — 19:51 UA1728 United Airlines Washington D.C. — Denver	7h 1m including layover	Find flight from$233
14:50 — 21:55	14:50 — 16:00 UA6174 United Airlines Philadelphia — Washington D.C. 3h 59m stop 19:59 — 21:55 UA454 United Airlines Washington D.C. — Denver	9h 5m including layover	Find flight from$233
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$77
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$77
16:29 — 23:22	16:29 — 19:11 F92505 Frontier Airlines Philadelphia — Orlando 1h 39m stop 20:50 — 23:22 F93311 Frontier Airlines Orlando — Denver	8h 53m including layover	Find flight from$145
16:56 — 23:30	16:56 — 18:20 UA308 United Airlines Philadelphia — Chicago 3h 20m stop 21:40 — 23:30 UA767 United Airlines Chicago — Denver	8h 34m including layover	Find flight from$233
17:36 — 08:29 +1 day	17:36 — 20:31 F94953 Frontier Airlines Philadelphia — Miami 9h 29m stop 06:00 — 08:29 F91279 Frontier Airlines Miami — Denver	16h 53m including layover	Find flight from$149
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$81
18:47 — 08:18 +1 day	17:12 — 20:02 F93855 Frontier Airlines Philadelphia — Orlando 8h 33m stop 06:20 — 08:39 F91733 Frontier Airlines Orlando — Denver	15h 31m including layover	Find flight from$103
22:29 — 08:18 +1 day	22:29 — 00:54 F94169 Frontier Airlines Philadelphia — Orlando 5h 6m stop 06:00 — 08:18 F91733 Frontier Airlines Orlando — Denver	11h 49m including layover	Find flight from$103
22:29 — 23:31 +1 day	22:29 — 00:54 F94169 Frontier Airlines Philadelphia — Orlando 20h 5m stop 20:59 — 23:31 F93311 Frontier Airlines Orlando — Denver	27h 2m including layover	Find flight from$103
19:12 — 17:27 +1 day	19:12 — 21:54 NK2276 Spirit Airlines Philadelphia — Orlando 13h 56m stop 11:50 — 14:30 SY342 Sun Country Airlines Orlando — Minneapolis 1h 42m stop 16:12 — 17:27 SY657 Sun Country Airlines Minneapolis — Denver	24h 15m including layover	Find flight from$230

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

*Departure and arrival times - local. Updated on May 16, 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 05:15 to 22:29 from 4 Philadelphia airports and arrive 05:15 to 22:29 to 2 Denver airports. Average flight time is 4h 18m.

The fastest flight 4h 3m
Average flight time 4h 18m
The earliest flight 05:15
The latest flight 22:29
Distance 1554 ml

The cheapest months to travel to Denver are november (from 68 $), may (from 68 $), december (from 95 $).

The most expensive months are february (from 197 $), december (from 95 $), may (from 68 $).

What is the lowest airfare Philadelphia to Denver?

The cheapest plane ticket found by our users is $77. This airfare is for economy class on one-way F92339 flight by Frontier Airlines for May 24, 2025 which leaves Philadelphia Int. in Philadelphia at 15:45 am and arrives at Denver Denver International at 23:43.

Economy class

$77

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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 - 34 departures per week at the price of from $ 77 . And the most expensive tickets are offered by United Airlines airline - from $ 750.

Direct flights

There are 5 nonstop flights on the route. The fastest direct flight is UA2383 by United Airlines takes 4h 3m and the cheapest is F92339 by Frontier Airlines for $113.

F9 - Frontier Airlines

from $113

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UA - United Airlines

from $147

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Connecting Flights

There are 79 flights with layovers on the route. The fastest connecting flight is UA4309 by United Airlines takes 5h 57m and the cheapest is F92339 by Frontier Airlines for $77.

F9 - Frontier Airlines

from $77

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AS - Alaska Airlines

from $434

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SY - Sun Country Airlines

from $272

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HA - Hawaiian Airlines

from $327

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UA - United Airlines

from $192

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NK - Spirit Airlines

from $185

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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 $77
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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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