$45 Cheap Frontier Airlines flights Philadelphia (PHL) to Raleigh (RDU)

Finding cheap one-way Frontier Airlines flights from PHL to RDU from $45 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $85 for your next adventure.**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.

Frontier Airlines flights to Raleigh are often cheaper in the low-season months of January and December. Whether you’re after a one-way or round-trip ticket, you could score a better deal then.

Begin your search one to three months ahead of your departure date to get cheaper fares on Frontier Airlines flights from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*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.

Frontier Airlines has direct flights from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU), with 8 departures each week. Simply apply the “Nonstop” and “Airline” filters during your search on Expedia to see all direct Frontier Airlines flights to RDU.

From takeoff to arrival, a nonstop Frontier Airlines flight from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU) typically takes 1h 33m.

Thursday has the most Frontier Airlines flights from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU). With 2 daily departures, this is the best day to book something that will suit your plans.

The earliest flight from PHL to RDU with Frontier Airlines leaves at 6:20AM UTC-5. You’ll land at 7:56AM UTC-5. The last Frontier Airlines flight of the day takes off at 7:50PM UTC-5 and arrives at 9:19PM UTC-5. With approximately 20% fewer cancellations for departures before midday, starting your travel day early is generally the smartest choice.**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.

Frontier Airlines flights from Philadelphia Intl. Airport (PHL) to Raleigh land at Raleigh - Durham Intl. Airport (RDU). This is the main gateway here.

A rewarding loyalty program and the ability to rack up points through Frontier Miles are the start of the reasons to fly from PHL to RDU with Frontier Airlines. Plus, by joining Expedia’s free One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. It’s yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Frontier Airlines generally uses Airbus A320neo planes for flights from Philadelphia Intl. Airport (PHL) to Raleigh - Durham Intl. Airport (RDU). This airline also operates the Airbus A321 on this route. Bear in mind that aircraft type can change due to operational reasons, so the plane you board could be different on your travel date.

Depending on your ticket type, a fee typically applies if you modify or cancel your flight more than 24 hours after it’s been confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more information on canceling or modifying your reservation, head to “Trips,” select your flight and click on “Manage Booking.”