$129 Cheap Delta flights Denver (DEN) to Philadelphia (PHL)

View $129 flight on Sat, Jul 12, 2025Opens in a new window

$129 Cheap Delta flights Denver (DEN) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $129 for one-way flights and $227 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Delta
Thu, Aug 21 - Sat, Aug 23
DEN
Denver
PHL
Philadelphia
$227
Roundtrip
Found 1 day ago
Select Delta flight, departing Thu, Aug 21 from Denver to Philadelphia, returning Sat, Aug 23, priced at $227 Found 1 day ago
Delta
Thu, Aug 21 - Mon, Aug 25
DEN
Denver
PHL
Philadelphia
$247
Roundtrip
Found 5 days ago
Select Delta flight, departing Thu, Aug 21 from Denver to Philadelphia, returning Mon, Aug 25, priced at $247 Found 5 days ago
Delta
Thu, Aug 21 - Thu, Aug 21
DEN
Denver
PHL
Philadelphia
$251
Roundtrip
Found 1 day ago
Select Delta flight, departing Thu, Aug 21 from Denver to Philadelphia, returning Thu, Aug 21, priced at $251 Found 1 day ago
Delta
Fri, Jul 18 - Tue, Jul 29
DEN
Denver
PHL
Philadelphia
$267
Roundtrip
Found 2 days ago
Select Delta flight, departing Fri, Jul 18 from Denver to Philadelphia, returning Tue, Jul 29, priced at $267 Found 2 days ago
Delta
Thu, Aug 21 - Sat, Aug 23
DEN
Denver
PHL
Philadelphia
$272
Roundtrip
Found 1 day ago
Select Delta flight, departing Thu, Aug 21 from Denver to Philadelphia, returning Sat, Aug 23, priced at $272 Found 1 day ago
Flights from Denver (DEN) to Philadelphia (PHL)
Origin airport
Denver Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Popular airline
American Airlines
Distance
2485 km
Average flight time
5 hours 37 mins