Cheap Flights from Philadelphia, PA to Denver, CO from $66
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 $66, 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.
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
Best Flights from Philadelphia to Denver Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $72 | 06:15 Philadelphia Philadelphia Int. | 08:28 Denver Denver International | 4h 13m | Frontier Airlines | F93339 |
| from $129 | 10:15 Philadelphia Philadelphia Int. | 12:20 Denver Denver International | 4h 5m | United Airlines | UA1061 |
| from $159 | 10:10 Philadelphia Philadelphia Int. | 12:17 Denver Denver International | 4h 7m | United Airlines | UA2359 |
| from $66 | 12:07 Philadelphia Philadelphia Int. | 19:20 Denver Denver International | 9h 13m layover 3h 37m - Raleigh | Frontier Airlines | F91517 F92225 |
| from $92 | 06:00 Philadelphia Philadelphia Int. | 12:29 Denver Denver International | 8h 29m layover 1h 36m - Orlando | Frontier Airlines | F92415 F91733 |
The cheapest months to travel to Denver are october (from 66 $), november (from 66 $), july (from 72 $).
The most expensive months are february (from 192 $), september (from 132 $), august (from 95 $).
What is the lowest airfare Philadelphia to Denver?
The cheapest plane ticket found by our users is $66. This airfare is for economy class on one-way F91517 flight by Frontier Airlines for October 15, 2025 which leaves Philadelphia Int. in Philadelphia at 12:07 am and arrives at Denver Denver International at 19:20.
Flight Schedule Philadelphia (Pennsylvania) to Denver (Colorado)
from$92
from$72
from$162
from$159
from$162
from$188
from$129
from$66
from$82
from$133
from$129
from$132
from$100
from$100
from$98
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 Alaska Airlines - 26 departures per week at the price of from $ 233 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 932.
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 F91517 by Frontier Airlines for $72.
- F9 - Frontier Airlinesfrom $72Find
- UA - United Airlinesfrom $129Find
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 F91517 by Frontier Airlines for $66.
- AS - Alaska Airlinesfrom $233Find
- F9 - Frontier Airlinesfrom $66Find
- SY - Sun Country Airlinesfrom $150Find
- HA - Hawaiian Airlinesfrom $225Find
- UA - United Airlinesfrom $194Find
- NK - Spirit Airlinesfrom $174Find
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.-PHLfrom $66Find
- North Philadelphia-PNEFind
- Mustin Alf-MUVFind
- Philadelphia Sea Plane Base-PSQFind
Denver airports
- Denver International-DENFind
- Arapahoe Co-APAFind
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.
- from $62Find
- from $54Find
- from $78Find
- from $79Find
- from $60Find
- from $78Find
- from $64Find
- from $70Find
- from $62Find
- from $64Find
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.
- from $79Find
- from $63Find
- from $70Find
- from $67Find
- from $54Find
- from $63Find
- from $70Find
- from $79Find
- from $69Find
- from $74Find
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.
To find a plane ticket, please select dates.