Cheap Flight Tickets from Philadelphia (PHL) to Denver (DEN)

Low Price Flights from Philadelphia to Denver

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Flights from Philadelphia to Denver Starting at CNY 59

We've found these cheap flights for you. You can book one-way or return flight tickets.

One way
Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Philadelphia to Denver

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From AU$ 59

American Airlines

From AU$ 107

Sun Country Airlines

From AU$ 112

United Airlines

From AU$ 150

Delta Air Lines

From AU$ 158

Southwest Airlines

From AU$ 174

Jetblue Airways

From AU$ 222

Alaska Airlines

From AU$ 353

Spirit Airlines

From AU$ 386

ANA airlines

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Alternative Routes from Philadelphia to Denver

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Philadelphia to Denver.

Cheapest
PHL
20:40
4h 26m
Direct
DEN
23:06
Philadelphia International Airport - Denver International Airport
Tue, Apr 23Frontier Airlines
AU$ 59
TTN
18:36
7h 22m
1 transfer
DEN
23:58
Trenton Mercer Airport - Denver International Airport
Wed, May 1Frontier Airlines
AU$ 91
TTN
18:36
7h 22m
1 transfer
DEN
23:58
Trenton Mercer Airport - Denver International Airport
Wed, May 1Frontier Airlines
AU$ 91
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How do I find the cheapest flights?

When are flight from Philadelphia (PHL) to Denver (DEN) the cheapest?
Airlines adjust prices for flights from Philadelphia to Denver based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Philadelphia (PHL) to Denver (DEN) cost?
According to Trip.com's data, the lowest price is around AU$ 445.
How long is the flights from Philadelphia (PHL) to Denver (DEN)?
It takes about 4 hours 28 minutes to fly from Philadelphia (PHL) to Denver (DEN).
What are the most popular airlines that fly from Philadelphia (PHL) to Denver (DEN)?
Airlines with flights from Philadelphia (PHL) to Denver (DEN): Aer Lingus, American Airlines, Qatar Airways, United Airlines, Air Canada, British Airways, Frontier Airlines and Southwest Airlines.
What's the most popular airline for direct flights from Philadelphia (PHL) to Denver (DEN)?
Southwest Airlines operates 1 direct flights from Philadelphia (PHL) to Denver (DEN).
How many airports in Denver (DEN)?
There are 4 airport(s) in Denver (DEN): Denver Arapahoe County Airport, Denver Buckley Angb, Rocky Mountain Metropolitan Airport and Denver International Airport.

How to find a cheap flight from Philadelphia to Denver

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to Denver. Book your flights at the right time and save more.

Book Early

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Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

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Flight Information from Philadelphia to Denver

Cheapest direct flight price	AU$ 58
Cheapest return ticket price	AU$ 109
Off-season for travel	December
Peak season for travel	July
Flight distance	2,500.26km
Average flight time	4 hours 28 minutes
Popular airline	American Airlines