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

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Find available prices by choosing your travel dates.
Flights from Denver (DEN) to Philadelphia (PNE)
Origin airport
Denver Intl.
Destination airport
Northeast Philadelphia
Distance
1563 mi

Denver to Philadelphia Flights

The cheapest times to fly from Denver to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Philadelphia are during the month of . You can find some of the cheapest flights from Denver to Philadelphia with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Denver to Philadelphia

Sunday is one of the best days to book for cheap flights from Denver to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Denver to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from DIA airport to Northeast Philadelphia Airport last minute?
Booking your journey from Denver Airport to Northeast Philadelphia Airport at the last minute could save you dollars if you luck out and find a good deal. However, tickets generally don’t get cheaper as the departure date nears. If you hold out, flights could also be booked solid or the best seats taken (don’t get stuck in the middle!). If you don’t want to hedge your bets, book well in advance of the date you want to leave. Note that some of the biggest deals can be found up to a year in advance. If your favorite airline hasn’t released its fares yet, check back regularly as offers are updated on Expedia all the time.
What airports do you fly into for Philadelphia from Denver?
With Northeast Philadelphia Airport (PNE), Philadelphia Intl. Airport (PHL) and Lehigh Valley Intl. Airport (ABE) to select from, flying from Denver to Philadelphia is a snap. The city’s key hub, Northeast Philadelphia Airport (PNE), is about 12 mi northeast of the downtown area. Besides the price of fares, consider things like train or bus options from the airport and the distance to your hotel when deciding where to land. Get your Philadelphia trip off to a superb start by checking out Liberty Bell Center and Independence Hall.
Can I change the date of my flight from Denver Airport to Northeast Philadelphia Airport?
It’s a breeze to make amendments to your Denver Airport to Northeast Philadelphia Airport journey yourself. Access your itinerary via the Expedia Trips portal and select “change flight.” Look for new flights and book the one that fits your plans. You’ll get an estimate of any flight change costs. You can also head to our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

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