฿4,065 Cheap Flights from Philadelphia (PHL) to Denver (DEN)

View ฿4,065 flight on Thu, 19 Feb 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 ฿4,065 for one-way flights and ฿10,545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿10,545 Return, found 5 days ago
฿10,545
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿10,545 found 5 days ago
Delta
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿11,505 Return, found 5 days ago
฿11,505
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿11,505 found 5 days ago
Delta
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿11,665 Return, found 5 days ago
฿11,665
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿11,665 found 5 days ago
American Airlines
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿11,980 Return, found 5 days ago
฿11,980
Return
found 5 days ago
Select American Airlines flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿11,980 found 5 days ago
Delta
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿12,900 Return, found 5 days ago
฿12,900
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿12,900 found 5 days ago
American Airlines
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿12,940 Return, found 5 days ago
฿12,940
Return
found 5 days ago
Select American Airlines flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿12,940 found 5 days ago
American Airlines
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿13,095 Return, found 5 days ago
฿13,095
Return
found 5 days ago
Select American Airlines flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿13,095 found 5 days ago
Delta
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿13,315 Return, found 5 days ago
฿13,315
Return
found 5 days ago
Select Delta flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿13,315 found 5 days ago
United
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿13,890 Return, found 5 days ago
฿13,890
Return
found 5 days ago
Select United flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿13,890 found 5 days ago
American Airlines
Thu, 12 Feb - Thu, 19 Feb
PHL
Philadelphia
DEN
Denver
฿14,020 Return, found 5 days ago
฿14,020
Return
found 5 days ago
Select American Airlines flight, departing Thu, 12 Feb from Philadelphia to Denver, returning Thu, 19 Feb, priced at ฿14,020 found 5 days ago

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

March is typically the cheapest month to fly

From ฿2,977 - ฿11,758 per traveller.
Flight from Philadelphia to Denver route information
Origin airport
Philadelphia Intl.
Destination airport
Denver Intl.
Return price
฿10,545
Distance
2485 km
Average flight time
2 hours 18 mins

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 ฿4,065 and roundtrip prices from ฿10,545. 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.

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 ฿10,545. 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.
*Available to Expedia members.