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Philadelphia International Airport to Denver International Airport flight

Explore the cheapest one-way and round-trip flights from Philadelphia International Airport to Denver International Airport over the next 90 days, with one-way fares from US$64 and round-trip from US$112. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Tue, Oct 13 | Frontier Airlines
        DEN 19:37
        3h 39m
        Nonstop
        PHL 01:16
        Denver - Philadelphia | Sat, Oct 17 | Frontier Airlines
        US$112 US$211
        47% off
        47% off
        US$211 US$112
      • PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Tue, Oct 20 | Frontier Airlines
        DEN 19:37
        3h 39m
        Nonstop
        PHL 01:16
        Denver - Philadelphia | Sat, Oct 24 | Frontier Airlines
        US$116 US$211
        45% off
        45% off
        US$211 US$116
      • PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Thu, Oct 8 | Frontier Airlines
        DEN 18:13
        3h 38m
        Nonstop
        TTN 23:51
        Denver - Philadelphia | Wed, Oct 14 | Frontier Airlines
        US$153 US$211
        27% off
        27% off
        US$211 US$153
      • PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Wed, Oct 14 | Frontier Airlines
        DEN 19:37
        3h 39m
        Nonstop
        PHL 01:16
        Denver - Philadelphia | Tue, Oct 20 | Frontier Airlines
        US$160
        24% off
        US$211 US$160
      • PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Sat, Oct 10 | Frontier Airlines
        DEN 19:37
        3h 39m
        Nonstop
        PHL 01:16
        Denver - Philadelphia | Sat, Oct 17 | Frontier Airlines
        US$162
        23% off
        US$211 US$162
      • PHL 12:40
        10h 23m
        1 stop
        DEN 21:03
        Philadelphia - Denver | Wed, Oct 7 | Frontier Airlines
        DEN 18:12
        3h 38m
        Nonstop
        TTN 23:50
        Denver - Philadelphia | Wed, Oct 14 | Frontier Airlines
        US$136
        36% off
        US$211 US$136
      • PHL 12:35
        10h 56m
        1 stop
        DEN 21:31
        Philadelphia - Denver | Wed, Oct 21 | Frontier Airlines
        DEN 18:31
        10h 50m
        1 stop
        PHL 07:21
        Denver - Philadelphia | Tue, Oct 27 | Frontier Airlines
        US$144
        32% off
        US$211 US$144
      • PHL 12:36
        10h 56m
        1 stop
        DEN 21:32
        Philadelphia - Denver | Tue, Nov 3 | Frontier Airlines
        DEN 18:31
        10h 50m
        1 stop
        PHL 07:21
        Denver - Philadelphia | Tue, Nov 10 | Frontier Airlines
        US$144
        32% off
        US$211 US$144
      • PHL 12:40
        10h 23m
        1 stop
        DEN 21:03
        Philadelphia - Denver | Wed, Sep 30 | Frontier Airlines
        DEN 19:10
        10h 6m
        1 stop
        PHL 07:16
        Denver - Philadelphia | Tue, Oct 6 | Frontier Airlines
        US$151
        28% off
        US$211 US$151
      • PHL 08:30
        15h 3m
        1 stop
        DEN 21:33
        Philadelphia - Denver | Wed, Nov 11 | Frontier Airlines
        DEN 10:41
        10h 35m
        1 stop
        PHL 23:16
        Denver - Philadelphia | Tue, Nov 17 | Frontier Airlines
        US$153
        27% off
        US$211 US$153
      • PHL 07:15
        10h 22m
        1 stop
        DEN 15:37
        Philadelphia - Denver | Tue, Oct 6 | Frontier Airlines
        DEN 19:37
        3h 39m
        Nonstop
        PHL 01:16
        Denver - Philadelphia | Tue, Oct 13 | Frontier Airlines
        US$156
        26% off
        US$211 US$156
      • PHL 12:36
        10h 56m
        1 stop
        DEN 21:32
        Philadelphia - Denver | Tue, Nov 10 | Frontier Airlines
        DEN 10:41
        10h 35m
        1 stop
        PHL 23:16
        Denver - Philadelphia | Tue, Nov 17 | Frontier Airlines
        US$159
        25% off
        US$211 US$159
      • PHL 13:00
        17h 25m
        1 stop
        DEN 14:00
        Philadelphia - Denver | Sun, Sep 27 | Normal Airline
        DEN 15:00
        6h
        Nonstop
        PHL 16:00
        Denver - Philadelphia | Tue, Sep 29 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Sun, Oct 25 | Frontier Airlines
        US$105 US$137
        23% off
        23% off
        US$137 US$105
      • PHL 05:50
        4h 10m
        Nonstop
        DEN 08:00
        Philadelphia - Denver | Thu, Oct 22 | Frontier Airlines
        US$105 US$137
        23% off
        23% off
        US$137 US$105
      • PHL 08:30
        25h 52m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Wed, Oct 28 | Frontier Airlines
        US$64 US$137
        53% off
        53% off
        US$137 US$64
      • PHL 12:36
        10h 56m
        1 stop
        DEN 21:32
        Philadelphia - Denver | Wed, Nov 18 | Frontier Airlines
        US$72
        47% off
        US$137 US$72
      • PHL 12:35
        10h 56m
        1 stop
        DEN 21:31
        Philadelphia - Denver | Thu, Oct 22 | Frontier Airlines
        US$73
        47% off
        US$137 US$73
      • PHL 12:36
        10h 56m
        1 stop
        DEN 21:32
        Philadelphia - Denver | Wed, Nov 4 | Frontier Airlines
        US$74
        46% off
        US$137 US$74
      • PHL 17:22
        30h 9m
        1 stop
        DEN 21:31
        Philadelphia - Denver | Wed, Oct 21 | Frontier Airlines
        US$76
        45% off
        US$137 US$76
      • PHL 08:30
        25h 52m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Tue, Oct 27 | Frontier Airlines
        US$79
        42% off
        US$137 US$79
      • PHL 08:30
        25h 52m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Tue, Nov 17 | Frontier Airlines
        US$80
        42% off
        US$137 US$80
      • PHL 08:30
        25h 52m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Tue, Nov 3 | Frontier Airlines
        US$83
        39% off
        US$137 US$83
      • PHL 12:35
        21h 47m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Sat, Oct 31 | Frontier Airlines
        US$86
        37% off
        US$137 US$86
      • PHL 08:39
        14h 53m
        1 stop
        DEN 21:32
        Philadelphia - Denver | Sun, Nov 1 | Frontier Airlines
        US$99
        28% off
        US$137 US$99
      • PHL 08:30
        25h 52m
        1 stop
        DEN 08:22
        Philadelphia - Denver | Wed, Nov 11 | Frontier Airlines
        US$100
        27% off
        US$137 US$100
      • PHL 12:36
        10h 57m
        1 stop
        DEN 21:33
        Philadelphia - Denver | Thu, Nov 12 | Frontier Airlines
        US$104
        24% off
        US$137 US$104
      • PHL 13:00
        17h 25m
        1 stop
        DEN 14:00
        Philadelphia - Denver | Sun, Sep 27 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Philadelphia International Airport to Denver International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Philadelphia International Airport to Denver International Airport

Which month offers the lowest one-way fares when flying from Philadelphia International Airport to Denver International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Philadelphia International Airport to Denver International Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Philadelphia International Airport to Denver International Airport, it is best to book in February, when average fares are US$88. Try to avoid January, as fares peak at around US$493.

US$493
US$291
US$88
0
    Cheapest
  • US$149
    Sep
  • US$147
    Oct
  • US$258
    Nov
  • US$261
    Dec
  • US$493
    Jan
  • US$88
    Feb
  • US$162
    Mar
  • US$193
    Apr
  • US$110
    May
  • US$237
    Jun
  • US$236
    Jul
  • US$301
    Aug

Which day of the week offers the cheapest flights from Philadelphia International Airport to Denver International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Philadelphia International Airport to Denver International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Philadelphia International Airport to Denver International Airport is Monday, when average fares are usually lower than other days. Avoid departing on Sunday, as fares are typically the highest.

US$236
US$199
US$161
US$124
  • US$161
    Mon
  • US$191
    Tue
  • US$217
    Wed
  • US$200
    Thu
  • US$184
    Fri
  • US$190
    Sat
  • US$236
    Sun

Which airline offers the cheapest flights from Philadelphia International Airport to Denver International Airport?

The cheapest airline flying from Philadelphia International Airport to Denver International Airport is Frontier Airlines (from US$64) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From US$64
Delta Air Lines
From US$128
American Airlines
From US$136
United Airlines
From US$169
Sun Country Airlines
From US$185
Alaska Airlines
From US$352
Jetblue Airways
From US$455

Find more flights and airlines

What is the flight schedule from Philadelphia International Airport to Denver International Airport?

Check on the flight schedule from Philadelphia to Denver to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93985

    Philadelphia International Airport

    20:12

    PHL

    4h

    Nonstop

    23:12

    DFW

    S M T W T F S
    Search

  2. F91323

    Dallas Fort Worth International Airport

    10:07

    DFW

    2h 27m

    Nonstop

    11:34

    DEN

    S - - W T - S

  3. F91101

    Philadelphia International Airport

    12:40

    PHL

    2h 21m

    Nonstop

    15:01

    ATL

    S M T W T F S
    Search

  4. F93599

    Hartsfield–Jackson Atlanta International Airport

    19:59

    ATL

    3h 25m

    Nonstop

    21:24

    DEN

    S M T W T F S

  5. F92297

    Philadelphia International Airport

    08:41

    PHL

    2h 25m

    Nonstop

    11:06

    ATL

    S M T W T F S
    Search

  6. F93599

    Hartsfield–Jackson Atlanta International Airport

    19:59

    ATL

    3h 25m

    Nonstop

    21:24

    DEN

    S M T W T F S

  7. F91101

    Philadelphia International Airport

    12:40

    PHL

    2h 21m

    Nonstop

    15:01

    ATL

    S M T W T F S
    Search

  8. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Nonstop

    08:04

    DEN

    S M T W T F S

  9. F92297

    Philadelphia International Airport

    08:41

    PHL

    2h 25m

    Nonstop

    11:06

    ATL

    S M T W T F S
    Search

  10. F91449

    Hartsfield–Jackson Atlanta International Airport

    06:41

    ATL

    3h 23m

    Nonstop

    08:04

    DEN

    S M T W T F S

  11. F91147

    Philadelphia International Airport

    17:32

    PHL

    2h 28m

    Nonstop

    20:00

    ATL

    S M T W T F S
    Search

  12. F93599

    Hartsfield–Jackson Atlanta International Airport

    19:59

    ATL

    3h 25m

    Nonstop

    21:24

    DEN

    S M T W T F S
Find more flights and airlines

About Philadelphia International Airport and Denver International Airport

Learn about Philadelphia International Airport (PHL) and Denver International Airport (DEN) — including location, terminals, transportation, and travel tips.

Flight distance 2,503.13 km
Cheapest one-way ticket price US$64
Cheapest return ticket price US$112

FAQs for Philadelphia International Airport to Denver International Airport Flights

  • How long is the flight from Philadelphia International Airport to Denver International Airport?

    Philadelphia International Airport to Denver International Airport takes about 3 hours 35 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 7 daily flights from Philadelphia International Airport (PHL) to Denver International Airport (DEN).
  • The earliest flight from Philadelphia International Airport to Denver International Airport departs at 05:00, and the last departs at 20:10, with about 12 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Philadelphia International Airport (PHL) to Denver International Airport (DEN) is quite popular. Without considering departure times or holidays, tickets cost around US$384 in September, the most expensive month to book this route.
  • The earliest flight departs from Philadelphia International Airport at 06:00 and arrives in Denver International Airport at 08:25.
  • The latest flight departs from Philadelphia International Airport at 21:23 and arrives in Denver International Airport at 23:48.
  • Frontier Airlines is a very popular airline operating an average of 3172 flights per month.
  • One-way flights from Philadelphia International Airport to Denver International Airport currently start from US$64, and round-trip fares start from US$112. The current lowest fare is a Frontier Airlines flight departing on Wed, Oct 28; prices may vary depending on availability.
  • Yes. American Airlines and United Airlines operate direct flights from Philadelphia International Airport to Denver International Airport, with an average flight time of 3 hours 33 minutes, and around 65 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Philadelphia International Airport to Denver International Airport is US$233. Prices may vary depending on the departure date, airline, and availability.
  • Frontier Airlines are the most popular budget airlines flying from Philadelphia International Airport to Denver International Airport, with one-way fares starting from US$64. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Philadelphia International Airport to Denver International Airport operates around 66 weekly flights, mainly by American Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Philadelphia International Airport and Denver International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.