$90 Cheap Delta flights Philadelphia (PHL) to Raleigh (RDU)

Make use of the “Price (lowest to highest)” filter on Expedia to search for cheap Delta Air Lines round-trip flights from $144 from PHL to RDU. Affordable one-way options from $90 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Delta Air Lines flights to Raleigh tend to be more affordable in the off-peak months of January and December. Whether you’re in search of a round-trip or one-way ticket, you could find a better deal then.

Search for cheap Delta Air Lines flights from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU) one to three months before your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, hit search and select the “Nonstop” filter on Expedia to find any direct flights from PHL to RDU with Delta Air Lines or another airline.

To find the earliest departures from PHL to RDU with Delta Air Lines, filter your results by “Morning” and “Early Morning.” Booking an early flight usually means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Raleigh - Durham Intl. Airport (RDU) is the primary Raleigh gateway for Delta Air Lines flights from Philadelphia Intl. Airport (PHL).

Delta Air Lines makes traveling from PHL to RDU enjoyable with an excellent in-flight experience and a rewarding loyalty program. You also have the chance to earn points with Delta SkyMiles. Don’t forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may charge you after that. For further details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without extra charges, apply the “No cancel fee” or “Changes included” filter when organizing your next getaway.