S$198 Cheap Flights from Philadelphia to Denver

View S$198 flight on Thu, 9 Apr, 2026Opens 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$198 for one-way flights and S$349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$349 Return, found 15 hours ago
S$349
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$349 found 15 hours ago
Delta
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$370 Return, found 15 hours ago
S$370
Return
found 15 hours ago
Select Delta flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$370 found 15 hours ago
American Airlines
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$394 Return, found 15 hours ago
S$394
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$394 found 15 hours ago
Delta
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$408 Return, found 15 hours ago
S$408
Return
found 15 hours ago
Select Delta flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$408 found 15 hours ago
American Airlines
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$415 Return, found 15 hours ago
S$415
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$415 found 15 hours ago
American Airlines
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$429 Return, found 15 hours ago
S$429
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$429 found 15 hours ago
Delta
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$435 Return, found 15 hours ago
S$435
Return
found 15 hours ago
Select Delta flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$435 found 15 hours ago
American Airlines
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$454 Return, found 15 hours ago
S$454
Return
found 15 hours ago
Select American Airlines flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$454 found 15 hours ago
United
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$471 Return, found 15 hours ago
S$471
Return
found 15 hours ago
Select United flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$471 found 15 hours ago
Delta
Thu, 9 Apr - Mon, 13 Apr
PHL
Philadelphia
DEN
Denver
S$473 Return, found 15 hours ago
S$473
Return
found 15 hours ago
Select Delta flight, departing Thu, 9 Apr from Philadelphia to Denver, returning Mon, 13 Apr, priced at S$473 found 15 hours ago

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

March is typically the cheapest month to fly

From S$121 - S$476 per traveller.

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$349. 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.

Travel information

Origin airport
Philadelphia Intl.
Destination airport
Denver Intl.
Return price
S$349
Distance
2485 km
Average flight time
2 hours 24 mins

Book with confidence

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!

Flights from Philadelphia to Denver

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