$228 Cheap United flights Raleigh (RDU) to Philadelphia (PHL)

View $228 flight on Wed, Dec 31, 2025Opens in a new window

$228 Cheap United flights Raleigh (RDU) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $228 for one-way flights and $366 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jan 6 - Wed, Jan 14
RDU
Raleigh
PHL
Philadelphia
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jan 6 from Raleigh to Philadelphia, returning Wed, Jan 14, priced at $366 found 3 days ago

Find the cheapest month to fly from Raleigh (RDU) to Philadelphia (PHL)

February is typically the cheapest month to fly

From $48 - $146 per traveler.
Flights from Raleigh (RDU) to Philadelphia (PHL)
Origin airport
Raleigh - Durham Intl.
Destination airport
Philadelphia Intl.
Distance
539 km
Average flight time
1 hour 28 mins