Airlines with flights from Philadelphia to Denver
There are 6 airlines with scheduled flights between PHL and DEN. American Airlines, Southwest and 2 more carriers has non-stop flights from Philadelphia International Airport to Denver International and the flight time is 4 hours and 20 minutes.
Choose airline
Schedules
Non-stop with American Airlines
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Total flight time: 4 hours and 20 minutes
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One World Alliance
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Philadelphia is a American Airlines hub.
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35 flights per week
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Airbus A321Boeing 737-800 PassengerAirbus A320
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Southwest Airlines
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Total flight time: 4 hours and 10 minutes
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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24 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
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Total flight time: 4 hours and 5 minutes
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Denver is a United Airlines hub.
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19 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 Passenger
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with Frontier Airlines
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Total flight time: 4 hours and 22 minutes
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Low-cost airline
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Philadelphia and Denver are both Frontier Airlines focus cities.
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8 flights per week
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Airbus A320neoAirbus A321neoAirbus A321
Flight
The timetable & schedule information was updated at 2026-04-21
Via Saint Louis with Southwest Airlines
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Total flight time: 5h 10m - 10h 10m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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85 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
WN3910
WN1300
WN3912
WN3912
WN3914
The timetable & schedule information was updated at 2026-04-21
Via Chicago with Southwest Airlines
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Total flight time: 5h 20m - 10h 45m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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158 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
WN2960
WN2733
WN2654
WN680
WN4450
WN2766
WN2768
WN2769
WN2768
WN2766
WN1893
WN2769
WN2770
WN2770
WN2770
The timetable & schedule information was updated at 2026-04-21
Via Detroit with Delta Air Lines
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Total flight time: 5h 31m - 7h 40m.
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Sky Team Alliance
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107 flights per week
Flight
DL1113
DL1648
DL2431
DL1644
The timetable & schedule information was updated at 2026-04-21
Via Nashville with Southwest Airlines
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Total flight time: 5h 35m - 11h 00m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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112 flights per week
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Boeing 737-700 Passenger (Scimitar Winglets)Boeing 737-800 (winglets) Passenger/BBJ2Boeing 737MAX 8 Passenger
Flight
WN498
WN500
WN503
WN504
WN506
The timetable & schedule information was updated at 2026-04-21

There are 6 airlines with scheduled flights between PHL and DEN. American Airlines, Southwest and 2 more carriers has non-stop flights from Philadelphia International Airport to Denver International and the flight time is 4 hours and 20 minutes.
Via Minneapolis with Sun Country Airlines