฿3,905 Cheap Flights from Philadelphia (PHL) to Denver (DEN)

View ฿3,905 flight on Sat, 8 Nov 2025Opens 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 ฿3,905 for one-way flights and ฿8,140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿8,140 Return, found 2 days ago
฿8,140
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿8,140 found 2 days ago
United
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿8,510 Return, found 2 days ago
฿8,510
Return
found 2 days ago
Select United flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿8,510 found 2 days ago
American Airlines
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿8,670 Return, found 2 days ago
฿8,670
Return
found 2 days ago
Select American Airlines flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿8,670 found 2 days ago
Delta
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,490 Return, found 2 days ago
฿9,490
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,490 found 2 days ago
Delta
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,495 Return, found 2 days ago
฿9,495
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,495 found 2 days ago
Delta
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,815 Return, found 2 days ago
฿9,815
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,815 found 2 days ago
United
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,860 Return, found 2 days ago
฿9,860
Return
found 2 days ago
Select United flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,860 found 2 days ago
United
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,865 Return, found 2 days ago
฿9,865
Return
found 2 days ago
Select United flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,865 found 2 days ago
Delta
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿9,960 Return, found 2 days ago
฿9,960
Return
found 2 days ago
Select Delta flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿9,960 found 2 days ago
American Airlines
Sat, 8 Nov - Fri, 14 Nov
PHL
Philadelphia
DEN
Denver
฿10,025 Return, found 2 days ago
฿10,025
Return
found 2 days ago
Select American Airlines flight, departing Sat, 8 Nov from Philadelphia to Denver, returning Fri, 14 Nov, priced at ฿10,025 found 2 days ago

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

March is typically the cheapest month to fly

From ฿3,018 - ฿15,288 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 ฿8,140. 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
฿8,140
Distance
2485 km
Average flight time
2 hours 12 mins

Book with confidence

Perfect flights from Philadelphia to Denver

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Philadelphia to Denver. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Philadelphia Intl. to Denver Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿3,905 and roundtrip prices from ฿8,140. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Denver Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Denver.
Perfect flights from Philadelphia to Denver

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