Flights from Denver to Philadelphia

Our cheapest offers for flights from Denver to Philadelphia

Here you can compare cheap flights from Denver (DEN) to Philadelphia (PHL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Philadelphia. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Denver
Philadelphia
Outbound
03/02/25
1 Stopover (ATL)
F93294, F91004
28h 28min
Return
03/07/25
direct
F93339
04h 17min
Frontier Airlines ?
$347
Best option
Denver
Philadelphia
Outbound
03/02/25
direct
F93340
03h 41min
Return
03/07/25
direct
F93339
04h 17min
Frontier Airlines
$353
Denver
Philadelphia
Outbound
03/02/25
direct
F93266
03h 42min
Return
03/07/25
direct
F93339
04h 17min
Frontier Airlines
$361
Denver
Philadelphia
Outbound
03/02/25
direct
F93266
03h 42min
Return
03/07/25
direct
F93339
04h 17min
Frontier Airlines
$371
Denver
Philadelphia
Outbound
03/02/25
direct
F93266
03h 42min
Return
03/07/25
direct
F93339
04h 17min
Frontier Airlines
$377
Denver
Philadelphia
Outbound
06/20/25
direct
F93266
03h 44min
Return
07/19/25
direct
F93265
04h 20min
Frontier Airlines
$402
found 3 days ago
Denver
Philadelphia
Outbound
03/02/25
direct
AA1674
03h 19min
Return
03/07/25
direct
AA3020
04h 23min
American Airlines ?
$421
Denver
Philadelphia
Outbound
06/20/25
2 Stopovers (DFW, MSP)
F92550, SY0506, SY1775
39h 50min
Return
07/19/25
direct
F93265
04h 20min
Frontier Airlines, Sun Country Airlines ?
$433
found 3 days ago
Denver
Philadelphia
Outbound
06/20/25
direct
UA0604
03h 30min
Return
07/19/25
direct
UA2383
04h 05min
United Airlines ?
$434
found 3 days ago
Denver
Philadelphia
Outbound
06/20/25
direct
UA0604
03h 30min
Return
07/19/25
direct
UA2383
04h 05min
United Airlines ?
$471
found 3 days ago
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Philadelphia

Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Denver to Philadelphia decide to book flights with Frontier Airlines.
Frontier Airlines
65 %
United Airlines
31 %
Delta
4 %
Direct flights are cheaper
Direct flights on this route are $33.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
03h 43min
09h 36min
$125
$158
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 57 % of travelers will book a direct flight.
Route
bookings
Direct flights
03h 43min, from $125
57 %
1 stopover Orlando International Airport, FL
08h 52min, from $163
21 %
1 stopover Dallas-Fort Worth International Airport, T
09h 36min, from $158
14 %

Important flight information

Flight information: Denver - Philadelphia

Roundtrip from $346.50
Flight duration min. 03:20 / max. 04:50
Return flight duration min. 04:17/ max. 10:55
Distance 2503 km
Flights per week 60
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Philadelphia International Airport, PA (PHL)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Philadelphia
Flight destinations with a similar price
Flight destinations with a similar price