Cheap flights from Philadelphia to Denver

Flights overview

Useful information for finding cheap flights from Philadelphia to Denver and booking your next trip
Cheapest round-trip flights$88
FrontierNonstop5 hrSat, Apr 18 — Sat, Apr 25
The cheapest round-trip flight from Philadelphia to Denver is currently $88
Cheapest one-way flight$44
FrontierNonstop5 hrWed, Apr 15
The cheapest one-way flight from Philadelphia to Denver is currently $44
Last-minute weekend getaway$243
FrontierNonstop5 hrFri, Mar 20 — Sun, Mar 22
The cheapest last-minute weekend getaway from Philadelphia to Denver is currently $243
Cheapest business class flights$316
FrontierNonstop5 hrSat, Apr 18 — Sat, Apr 25
The cheapest business class round-trip flight from Philadelphia to Denver is currently $316
Fastest flight3 hr 55 minThe fastest nonstop flight from Philadelphia to Denver takes 3 hr 55 min
Nonstop flightsEvery dayThere are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Philadelphia to Denver is typically April. The most expensive month to fly is typically July.
January
Prices in January are usually between $145 and $270.

Popular airlines from Philadelphia to Denver

  • American
    Nonstop
    from $237
    Typical price: $240–540
    14 weekly nonstop flights
    PHL - DENEvery day
    367 weekly connecting flights
    PHL - DENEvery day
  • United
    Nonstop
    from $237
    Typical price: $260–540
    14 weekly nonstop flights
    PHL - DENEvery day
    275 weekly connecting flights
    PHL - DENEvery day
  • Southwest
    Nonstop
    from $237
    Typical price: $245–520
    14 weekly nonstop flights
    PHL - DENEvery day
    221 weekly connecting flights
    PHL - DENEvery day
  • Delta
    from $277
    Typical price: $260–660
    292 weekly connecting flights
    PHL - DENEvery day
  • Frontier
    Nonstop
    from $88
    Typical price: $150–305
    4 weekly nonstop flights
    PHL - DENEvery Mon, Thu, Fri, Sun
    52 weekly connecting flights
    PHL - DENEvery day
  • JetBlue
    from $351
    Typical price: $345–830
    24 weekly connecting flights
    PHL - DENEvery day

Popular airports near Philadelphia

  • Philadelphia International Airport (PHL)
    PhiladelphiaUnited States19 min7 mi
  • John F. Kennedy International Airport (JFK)
    New YorkUnited States1 hr 54 min87 mi
  • Newark Liberty International Airport (EWR)
    NewarkUnited States1 hr 27 min73 mi
  • LaGuardia Airport (LGA)
    New YorkUnited States1 hr 57 min88 mi

Popular airports near Denver

  • Denver International Airport (DEN)
    DenverUnited States38 min19 mi
  • Colorado Springs Airport (COS)
    Colorado SpringsUnited States1 hr 27 min66 mi
  • Eagle County Regional Airport (EGE)
    VailUnited States2 hr 19 min103 mi
  • Centennial Airport (APA)
    DenverUnited States27 min14 mi

Frequently asked questions about flying from Philadelphia to Denver

The cheapest flights from Philadelphia to Denver are usually in April. Typical ticket prices in April range from $115 to $300.
The cheapest round-trip flight from Philadelphia to Denver recently found on Google Flights was with Frontier from $88. The cheapest one-way flight was with Frontier from $44.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Philadelphia to Denver is $237, flying from May 2 to May 9.
  • The cheapest United flight from Philadelphia to Denver is $237, flying from Apr 25 to May 2.
  • The cheapest Southwest flight from Philadelphia to Denver is $237, flying from Apr 18 to Apr 25.
  • The cheapest Delta flight from Philadelphia to Denver is $277, flying from May 2 to May 9.
  • The cheapest Frontier flight from Philadelphia to Denver is $88, flying from Apr 18 to Apr 25.
  • The cheapest JetBlue flight from Philadelphia to Denver is $351, flying from May 7 to May 13.
The cheapest round-trip flight from Philadelphia to Denver starts at $88 from Sat, Apr 18 to Sat, Apr 25. The cheapest one-way flight starts at $44 and departs on Wed, Apr 15.
3 hr 55 min is the shortest flight time from Philadelphia to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Philadelphia to Denver.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Philadelphia to Denver really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Philadelphia to Denver.

In terms of nonstop flights, American is the most popular. American offers 14 nonstop flights and 367 connecting flights per week. American flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).

Other popular airlines flying from Philadelphia to Denver are:
  • United offers 14 nonstop flights and 275 connecting flights per week. United flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
  • Southwest offers 14 nonstop flights and 221 connecting flights per week. Southwest flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
  • Delta offers 292 connecting flights per week. Delta flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
  • Frontier offers 4 nonstop flights and 52 connecting flights per week. Frontier flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
  • JetBlue offers 24 connecting flights per week. JetBlue flies from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
The number of connecting flights refers to distinct flights with at least one stop between Philadelphia and Denver.
The cheapest round-trip flight from Philadelphia to Denver recently found on Google Flights was with Frontier from $88. The cheapest one-way flight was with Frontier from $44.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest American flight from Philadelphia to Denver is $237, flying from May 2 to May 9.
  • The cheapest United flight from Philadelphia to Denver is $237, flying from Apr 25 to May 2.
  • The cheapest Southwest flight from Philadelphia to Denver is $237, flying from Apr 18 to Apr 25.
  • The cheapest Delta flight from Philadelphia to Denver is $277, flying from May 2 to May 9.
  • The cheapest Frontier flight from Philadelphia to Denver is $88, flying from Apr 18 to Apr 25.
  • The cheapest JetBlue flight from Philadelphia to Denver is $351, flying from May 7 to May 13.
American, United, Southwest and Frontier fly direct from Philadelphia to Denver.
  • There are 14 American direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 14 United direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 14 Southwest direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 4 Frontier direct flights from Philadelphia to Denver per week. Flights are available on Monday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Philadelphia and Denver at price $243 is offered by Frontier from Fri, Mar 20 to Sun, Mar 22.
American, United, Southwest and Frontier fly direct from Philadelphia to Denver.
  • There are 14 American direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 14 United direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 14 Southwest direct flights from Philadelphia to Denver per week. Flights are available every day.
  • There are 4 Frontier direct flights from Philadelphia to Denver per week. Flights are available on Monday, Thursday, Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Philadelphia to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Philadelphia and Denver start at $88 from Sat, Apr 18 to Sat, Apr 25 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Philadelphia to Denver, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Philadelphia and Denver start at $316 from Sat, Apr 18 to Sat, Apr 25 with Frontier.
The cheapest economy class round-trip flights between Philadelphia and Denver start at $88 from Sat, Apr 18 to Sat, Apr 25.
To book business class trips from Philadelphia to Denver, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Philadelphia and Denver starts at $243 from Fri, Mar 20 to Sun, Mar 22 with Frontier.
The cheapest last-minute deal between Philadelphia and Denver at price $243 is offered by Frontier from Fri, Mar 20 to Sun, Mar 22.
To find last-minute flight deals from Philadelphia to Denver, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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