On this page, you can find and book flights from Philadelphia to Denver. The distance between the cities is 2,541 km, with a flight frequency of up to 36 flights per week.
Flights are operated by United Airlines, American Airlines, and Southwest Airlines, with ticket prices varying by season. To find the best deals, use our price dynamics chart and information on how to get to Philadelphia airport.
The table shows direct flights Philadelphia → Denver on the selected date. The flight takes approximately 4 h 1 min. Regular flights are operated by American Airlines, Frontier Airlines, United Airlines and Southwest Airlines. Departures from Philadelphia International Airport and Trenton-Mercer Airport airports, arrivals at Denver International Airport and Centennial Airport.
For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.
Below is a calendar of the lowest flight ticket prices for Philadelphia — Denver by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from AED 335 in y, and the most expensive are around AED 797 in n. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.
Philadelphia → Denver, average one-way price
| Month | Average price | Level | Month | Average price | Level | Month | Average price | Level |
|---|---|---|---|---|---|---|---|---|
| Jan | AED 718 | low | May | AED 898 | medium | Sep | AED 808 | medium |
| Feb | AED 673 | low | Jun | AED 1,032 | high | Oct | AED 763 | medium |
| Mar | AED 987 | high | Jul | AED 987 | high | Nov | AED 673 | low |
| Apr | AED 853 | medium | Aug | AED 763 | low | Dec | AED 942 | high |
Some values are estimated based on seasonality.
Weather conditions in Denver are most comfortable in July, when the average high reaches 30.5°C. The coldest month is January with temperatures as low as -8.1°C, while rainfall peaks in May, with over 92 mm recorded.
The lowest flight costs were recorded in July and September, when tickets start AED 335 and AED 338 respectively. In March, there is a significant price increase, with fares reaching AED 797.
September is the optimal choice for a balance of price and weather, offering moderate warmth and low fares. We recommend avoiding bookings for March due to peak prices, as well as May if you want to minimize the chance of rainy days.
Four airlines provide regular air service on this route, with the leaders in flight frequency being United Airlines, American Airlines, and Southwest Airlines. The route is dominated by direct flights operating daily, making it easy to find a convenient departure time throughout the week. A detailed schedule and flight options are available in the interactive list below.
Flights Philadelphia — Denver depart from Philadelphia International Airport and Trenton-Mercer Airport and arrive at Denver International Airport and Centennial Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.
The distance between the cities is 2,541 km, so the average travel time on a direct flight is about 3 hours and 15 minutes.
Regular flights are operated by carriers such as United Airlines, American Airlines, Southwest Airlines, and the low-cost carrier Frontier Airlines.
Yes, there are about 36 direct flights per week on this route, providing a convenient choice of departure times without the need for layovers.
Airfares are constantly changing based on demand and season; you can find the current minimum prices for your preferred dates in the calendar on this page.
Most flights from Philadelphia arrive at Denver International Airport (DEN). You can find information about the airport and how to get to the city below.
Where travelers fly most — pick a route and check prices
