฿6,400 Cheap Flights from Denver (DEN) to Philadelphia (PHL)

View ฿6,400 flight on Tue, 5 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿6,400 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from DEN to Philadelphia Intl. Airport (PHL)?
The lowest price advertised for a round-trip flight between Denver Intl. Airport (DEN) and PHL is . But you better get moving. This price is taken from fares listed 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 DIA airport to Philadelphia Airport?
Each airline has its own set of terms and conditions. If you decide to cancel your getaway, head to our Customer Service Portal.
How do I find cheap flights from Denver Intl. Airport (DEN) to Philadelphia 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 Denver Intl. Airport (DEN) to Philadelphia Intl. Airport (PHL) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DIA airport to PHL?
Expect to be cruising at altitude for a while, as the flight distance between Denver Airport and PHL is 2,500 kilometres. Create a playlist of your favourite podcasts before you leave home to keep yourself entertained during the flight.
Which airlines fly direct from DEN to Philadelphia Airport?
Getting from Denver Airport to Philadelphia Intl. Airport (PHL) is easy when you have a good range of airlines to select from. These are a few of the best:

  • United Airlines - (UA) with 60 monthly flights
  • Frontier Airlines - (F9) with 43 monthly flights
  • American Airlines - (AA) with 39 monthly flights
  • Southwest Airlines - (WN) with 30 monthly flights

Are Denver Airport to Philadelphia Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Denver Intl. Airport (DEN) to PHL can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out altogether! If you'd prefer to start planning ahead of time, Expedia compares flight deals up to a year in advance. Just remember that not all airlines list their prices so far in advance. Our advice? Check back often as prices are updated regularly.

Travel information

Origin airport
Denver Intl.
Destination airport
Philadelphia Intl.
Distance
2485 km
Average flight time
5 hours 40 mins
*Available to Expedia members.