Cheap flights from Philadelphia, PA to Denver, CO

Flights starting at $55. Choose between JetBlue Airways, American Airlines, or Frontier Airlines to find the best price.

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Cheapest one-way trip

$69

Cheapest nonstop round-trip

$55

Cheapest round-trip

$140

Average round-trip

$167

Nonstop flights in January

$55 – $393

Round trips

Updated:

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One-way trips

Philadelphia PHLDenver DEN

Frontier Airlines

$77

Updated:

1555 miles
Distance
Duration
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Travelers usually depart from Philadelphia International, Philadelphia, PA - 30th Street, Philadelphia, PA Greyhound Terminal, Ardmore, PA station, or Philadelphia, PA - Market Street bus stop when they travel from Philadelphia to Denver. Book your trip to arrive at Denver International, Denver Union Station, Rocky Mountain Metropolitan Airport, or Centennial Airport. The distance between Philadelphia and Denver is 2503 km. The most popular airlines for this route are JetBlue Airways, American Airlines, Frontier Airlines, Delta Air Lines, and United Airlines. Philadelphia and Denver have 388 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights5445556
Fly direct with

Frontier Airlines on Mondays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Philadelphia to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
American AirlinesAALAAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo

United States COVID-19 travel restrictions

Your trip summary

Most travelers from Philadelphia, PHL can enter Denver, DEN.

Departure

Additional information
  • Masks are recommended in certain settings

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Philadelphia to Denver?
A one-way nonstop (direct) flight between Philadelphia and Denver takes around 4.4 hours.
What is the flight distance between Philadelphia and Denver?
The flight distance between Philadelphia and Denver is 2503 km.
What airlines offer nonstop (direct) flights between Philadelphia and Denver?
Several carriers operate flights between Philadelphia and Denver. Airlines offering nonstop (direct) flights include American Airlines, Frontier Airlines, United Airlines.
What are the most popular routes to and from Philadelphia?
Travelers frequently search for route combinations, such as Philadelphia and Orlando, Atlanta, Las Vegas, Miami, Tampa, San Juan, Los Angeles, New Orleans, Dallas, Fort Myers, Charlotte, Austin, San Diego, Nashville, Houston, Jacksonville, Phoenix, Fort Lauderdale, San Francisco, Chicago.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, San Diego, Miami, New York, Tampa, Detroit, Seattle, Salt Lake City, Portland.
Which airports are there in Philadelphia?
Philadelphia is mainly served by Philadelphia International. But there are other airports nearby, including Wings Field.
What airports are near Philadelphia?
The main airport in Philadelphia is Philadelphia International. It is also served by John F. Kennedy International, Newark Liberty International, Baltimore–Washington International, Washington Dulles International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Long Island MacArthur, Trenton–Mercer, Harrisburg International.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Pueblo Memorial, Colorado Springs, Eagle County Regional, Laramie Regional, Cheyenne Regional.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Philadelphia and Denver?
Yes, it's possible to combine different modes of transport between Philadelphia and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Philadelphia and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Which airlines fly between Philadelphia and Denver?
When's the best time to travel between Philadelphia and Denver?
What flights operate between Philadelphia and Denver?
How many airports are there near Philadelphia?
How many airports are there near Denver?
What time do nonstop (direct) flights between Philadelphia and Denver depart?
What time do nonstop (direct) flights between Philadelphia and Denver arrive?
What time do flights between Philadelphia and Denver depart?
What time do flights between Philadelphia and Denver arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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