฿3,995 Cheap Flights from Philadelphia (PHL) to Denver (DEN)

View ฿3,995 flight on Mon, 27 Apr 2026Opens in a new window

Popular airlines from Philadelphia International Airport (PHL) to Denver International Airport (DEN)

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Cheap Flights from Philadelphia (PHL) to Denver (DEN)

Prices were available within the past 7 days and start at ฿3,995 for one-way flights and ฿7,920 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿7,920 Return, found 4 days ago
฿7,920
Return
found 4 days ago
Select Delta flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿7,920 found 4 days ago
Delta
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿8,785 Return, found 4 days ago
฿8,785
Return
found 4 days ago
Select Delta flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿8,785 found 4 days ago
Delta
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿8,950 Return, found 4 days ago
฿8,950
Return
found 4 days ago
Select Delta flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿8,950 found 4 days ago
American Airlines
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿9,085 Return, found 4 days ago
฿9,085
Return
found 4 days ago
Select American Airlines flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿9,085 found 4 days ago
United
Wed, 13 May - Tue, 19 May
PHL
Philadelphia
DEN
Denver
฿9,215 Return, found 2 days ago
฿9,215
Return
found 2 days ago
Select United flight, departing Wed, 13 May from Philadelphia to Denver, returning Tue, 19 May, priced at ฿9,215 found 2 days ago
Delta
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿9,280 Return, found 4 days ago
฿9,280
Return
found 4 days ago
Select Delta flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿9,280 found 4 days ago
United
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿9,580 Return, found 4 days ago
฿9,580
Return
found 4 days ago
Select United flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿9,580 found 4 days ago
American Airlines
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿9,945 Return, found 4 days ago
฿9,945
Return
found 4 days ago
Select American Airlines flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿9,945 found 4 days ago
American Airlines
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿10,110 Return, found 4 days ago
฿10,110
Return
found 4 days ago
Select American Airlines flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿10,110 found 4 days ago
Delta
Mon, 27 Apr - Tue, 5 May
PHL
Philadelphia
DEN
Denver
฿10,410 Return, found 4 days ago
฿10,410
Return
found 4 days ago
Select Delta flight, departing Mon, 27 Apr from Philadelphia to Denver, returning Tue, 5 May, priced at ฿10,410 found 4 days ago

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 ฿7,920. 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.
Airlines serving
American Airlines, Delta, United
Return price
฿7,920
Distance
2485 km
Average flight time
2 hours 18 mins
*Available to Expedia members.