Flight Routes from Denver to Philadelphia

Trip type

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
Please note: transfer for connecting flight
Outbound
08/20/26
1 Stopover (TYS)
G41413, G41430
28h 45min
Return
08/25/26
1 Stopover (BOS)
B61160, B60793
06h 47min
Allegiant Air
$211
Best option
Denver
Philadelphia
Outbound
08/20/26
direct
F93340
03h 39min
Return
08/25/26
direct
F92513
04h 14min
Frontier Airlines
$251
Denver
Philadelphia
Outbound
08/20/26
direct
F93340
03h 39min
Return
08/25/26
1 Stopover (BOS)
B61160, B60793
06h 47min
Frontier Airlines ?
$249
Denver
Philadelphia
Outbound
08/20/26
1 Stopover (BOS)
B60994, B61159
06h 45min
Return
08/25/26
1 Stopover (BOS)
B61160, B60793
06h 47min
JetBlue Airways
$250
Denver
Philadelphia
Outbound
08/20/26
1 Stopover (BOS)
B60994, B61159
06h 45min
Return
08/25/26
1 Stopover (BOS)
B61160, B60793
06h 47min
JetBlue Airways
$252
Denver
Philadelphia
Outbound
08/20/26
direct
F92514
03h 42min
Return
08/25/26
direct
F92513
04h 14min
Frontier Airlines ?
$253
Denver
Philadelphia
Outbound
08/20/26
direct
F92514
03h 42min
Return
08/25/26
direct
F92513
04h 14min
Frontier Airlines ?
$266
Denver
Philadelphia
Outbound
10/01/26
direct
F93340
03h 37min
Return
10/11/26
direct
F93339
04h 20min
Frontier Airlines
$292
Denver
Philadelphia
Outbound
10/01/26
direct
F93340
03h 37min
Return
10/11/26
direct
F93339
04h 20min
Frontier Airlines
$301
Denver
Philadelphia
Outbound
10/01/26
direct
F93340
03h 37min
Return
10/11/26
direct
F93339
04h 20min
Frontier Airlines
$305
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 $ 211,00
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
Departure airport - Destination country Denver International Airport, CO - United States
Alternative routes to United States
Alternative flights to Philadelphia
Flight destinations with a similar price
Flight destinations with a similar price