Illuminated Independence Square and Hall at night during winter in Philadelphia building where the United States Constitution was signed

$135 Cheap Delta flights Denver (DEN) to Philadelphia (PHL)

View $135 flight on Sat, Aug 15, 2026Opens in a new window

$135 Cheap Delta flights Denver (DEN) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $135 for one-way flights and $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Oct 17 - Tue, Oct 27
DEN
Denver
PHL
Philadelphia
$325 Roundtrip, found 4 days ago
$325
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Oct 17 from Denver to Philadelphia, returning Tue, Oct 27, priced at $325 found 4 days ago

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $282
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $282

Travel information

Origin airport
Denver Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
2485 km
Average flight time
5 hours 36 mins

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