- Cheapest roundtrip flight
- from€250
- Fastest outbound flight
- Fastest inbound flight
- non-stop flights
- 47x / week
- Flight distance
- 2,503 km
- Time difference
- Most popular airlines
- United Airlines
- Southwest Airlines
- American Airlines
- Frontier Airlines
- United Airlines
Flight schedule from Philadelphia (PHL) to Denver (DEN)
Select a travel date in the flight schedule for the route from Philadelphia (PHL) to Denver (DEN) and compare affordable flight deals.
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Matching outbound flightsPHL–DEN · 22 of 22
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- October 11 – 17, 2026
- October 18 – 24, 2026
- October 25 – 31, 2026
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Tips and tricks to help you find cheap flights from Philadelphia to Denver
Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Philadelphia to Denver decide to book flights with Frontier Airlines.
Frontier Airlines
56 %
Delta
25 %
United Airlines
6 %
Important flight information
Frequently Asked Questions (FAQ)
How long is the flight from Philadelphia to Denver?
A nonstop flight from Philadelphia to Denver typically takes around 4 hours 20 minutes. This makes the nonstop service the fastest and most convenient way to travel between Philadelphia and Denver. It is worth checking flight times when searching, as they can vary by airline and travel date.
Are there nonstop flights from Philadelphia to Denver?
Yes, there are nonstop flights from Philadelphia to Denver, averaging around 6 to 7 flights per day, operated by, among others, United Airlines, Southwest and American Airlines. If you want to fly without a layover, it is worth filtering specifically for nonstop flights when searching.
Which airlines fly from Philadelphia to Denver?
Direct flights from Philadelphia to Denver are operated by, among others, United Airlines, Southwest and American Airlines. These flights take you to Denver nonstop, making them especially practical for short trips or weekend getaways. It is still worth comparing departure times and airline policies, as baggage rules and fees can vary.
On which days are there nonstop flights from Philadelphia to Denver?
Nonstop flights from Philadelphia to Denver operate daily. The schedule may vary by season, so it is worth comparing several travel dates. If your preferred day does not have a nonstop flight, nearby departure days or short connecting flights may be a good alternative.
How many flights are there per day from Philadelphia to Denver?
From Philadelphia to Denver, there are on average around 6 to 7 flights per day. This usually means you have a good choice of departure times. If you are flexible, you can easily compare times, prices, and airlines.
How many flights per week are there from Philadelphia to Denver?
From Philadelphia to Denver, there are around 48 to 49 flights per week. This means you usually have connections available on several days and at various times. Beyond the price, it is worth comparing flight duration, airline, and any potential additional fees.
When does the first flight from Philadelphia to Denver depart?
The earliest nonstop flight from Philadelphia to Denver usually departs at 5:00 AM. The exact departure time may vary by day of the week and airline. Early flights are especially useful if you want to make the most of your arrival day in Denver.
When does the last flight from Philadelphia to Denver depart?
The last nonstop flight from Philadelphia to Denver usually departs at 8:45 PM. Late flights can be convenient if you want to travel after work or in the evening. Do check whether it is a nonstop flight, as a connecting itinerary could push the arrival time significantly later.