S$183 Cheap Flights from Philadelphia to Denver

View S$183 flight on Fri, 12 Dec, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Denver Intl. Airport (DEN)

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Cheap Flights from Philadelphia to Denver (PHL-DEN)

Prices were available within the past 7 days and start at S$183 for one-way flights and S$336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$336 Return, found 6 days ago
S$336
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$336 found 6 days ago
Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$359 Return, found 6 days ago
S$359
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$359 found 6 days ago
American Airlines
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$382 Return, found 6 days ago
S$382
Return
found 6 days ago
Select American Airlines flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$382 found 6 days ago
Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$398 Return, found 6 days ago
S$398
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$398 found 6 days ago
American Airlines
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$403 Return, found 6 days ago
S$403
Return
found 6 days ago
Select American Airlines flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$403 found 6 days ago
Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$405 Return, found 6 days ago
S$405
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$405 found 6 days ago
Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$414 Return, found 6 days ago
S$414
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$414 found 6 days ago
United
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$421 Return, found 6 days ago
S$421
Return
found 6 days ago
Select United flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$421 found 6 days ago
American Airlines
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$427 Return, found 6 days ago
S$427
Return
found 6 days ago
Select American Airlines flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$427 found 6 days ago
Delta
Fri, 12 Dec - Tue, 16 Dec
PHL
Philadelphia
DEN
Denver
S$436 Return, found 6 days ago
S$436
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Dec from Philadelphia to Denver, returning Tue, 16 Dec, priced at S$436 found 6 days ago

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Find the cheapest month to fly from Philadelphia (PHL) to Denver (DEN)

March is typically the cheapest month to fly

From S$122 - S$565 per traveller.
Philadelphia to Denver route information
Origin airport
Philadelphia Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$335
Distance
2485 km
Average flight time
2 hours 13 mins

Flights from Philadelphia to Denver

There are several airlines that operate frequent flights from Philadelphia (PHL) to Denver (DEN) including

The earliest flight leaves Philadelphia Intl. Airport at 06:00 and arrives at Denver Intl. Airport at 00:07. The last flight of the day departs Philadelphia at 22:35 and arrives at Denver at 23:21.

The flight distance from Philadelphia to Denver is about 2513 km, the shortest flight is 04 hours with .

Expedia lets you search across the largest number of airlines and Denver flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Philadelphia Denver flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Philadelphia to Denver trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Denver flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Philadelphia to Denver with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from PHL to Denver Intl. Airport (DEN)?
The lowest price advertised for a round-trip flight between Philadelphia Intl. Airport (PHL) and DIA airport is S$336. But you better act soon. This price is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from PHL to DIA airport?
Every air carrier has its own terms and conditions. If you decide to cancel your holiday, visit our Customer Service Portal.
How do I find cheap flights from Philadelphia Intl. Airport (PHL) to DIA airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for PHL to DIA airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from PHL to Denver Airport?
The flying distance between Philadelphia Airport and DEN is 2,500 kilometres. Listen to some music or bury your nose in a book and the journey will zip by.
Which airlines fly direct from Philadelphia Intl. Airport (PHL) to Denver Intl. Airport (DEN)?
With a good range of airlines to pick from, you should be able to find the perfect flight from Philadelphia Airport to Denver Airport in just a few easy clicks. Here's a list of the top carriers with services between these airports:

  • United Airlines - (UA) with 60 monthly flights
  • Frontier Airlines - (F9) with 47 monthly flights
  • American Airlines - (AA) with 39 monthly flights
  • Southwest Airlines - (WN) with 30 monthly flights

Are Philadelphia Intl. Airport (PHL) to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so there are no guarantees. While last-minute deals between Philadelphia Airport and Denver Intl. Airport (DEN) are of course possible, it's also a good idea to monitor prices well before you fly. In fact, some air carriers publish their prices up to 12 months prior to the departure date. Expedia is continuously updating the biggest bargains around, so keep checking back and be ready to grab your seat when prices drop.

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