$64 Cheap Flights from Raleigh (RDU) to Philadelphia (PHL)

View $64 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Raleigh to Philadelphia (RDU-PHL)

Prices were available within the past 7 days and start at $64 for one-way flights and $84 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Jul 20 - Sun, Jul 27
RDU
Raleigh
PHL
Philadelphia
$84 Roundtrip, found 1 hour ago
$84
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jul 20 from Raleigh to Philadelphia, returning Sun, Jul 27, priced at $84 found 1 hour ago
Frontier Airlines
Wed, Jul 16 - Mon, Jul 21
RDU
Raleigh
PHL
Philadelphia
$88 Roundtrip, just found
$88
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 16 from Raleigh to Philadelphia, returning Mon, Jul 21, priced at $88 just found
Frontier Airlines
Mon, Jul 14 - Mon, Jul 28
RDU
Raleigh
PHL
Philadelphia
$91 Roundtrip, just found
$91
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jul 14 from Raleigh to Philadelphia, returning Mon, Jul 28, priced at $91 just found
Frontier Airlines
Sat, Jul 19 - Mon, Jul 21
RDU
Raleigh
PHL
Philadelphia
$94 Roundtrip, found 12 hours ago
$94
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, Jul 19 from Raleigh to Philadelphia, returning Mon, Jul 21, priced at $94 found 12 hours ago
Frontier Airlines
Wed, Jul 16 - Mon, Jul 21
RDU
Raleigh
PHL
Philadelphia
$96 Roundtrip, just found
$96
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jul 16 from Raleigh to Philadelphia, returning Mon, Jul 21, priced at $96 just found
Frontier Airlines
Mon, Jul 28 - Mon, Aug 11
RDU
Raleigh
PHL
Philadelphia
$96 Roundtrip, found 4 hours ago
$96
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Raleigh to Philadelphia, returning Mon, Aug 11, priced at $96 found 4 hours ago
American Airlines
Tue, Oct 14 - Sat, Oct 18
RDU
Raleigh
PHL
Philadelphia
$139 Roundtrip, just found
$139
Roundtrip
just found
Select American Airlines flight, departing Tue, Oct 14 from Raleigh to Philadelphia, returning Sat, Oct 18, priced at $139 just found
Southwest Airlines
Tue, Aug 12 - Wed, Aug 20
RDU
Raleigh
PHL
Philadelphia
$176 Roundtrip, found 1 hour ago
$176
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Aug 12 from Raleigh to Philadelphia, returning Wed, Aug 20, priced at $176 found 1 hour ago
Delta
Sat, Sep 27 - Tue, Oct 7
RDU
Raleigh
PHL
Philadelphia
$177 Roundtrip, found 4 hours ago
$177
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 27 from Raleigh to Philadelphia, returning Tue, Oct 7, priced at $177 found 4 hours ago
Spirit Airlines
Thu, Sep 4 - Mon, Sep 8
RDU
Raleigh
PHL
Philadelphia
$189 Roundtrip, found 6 hours ago
$189
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Thu, Sep 4 from Raleigh to Philadelphia, returning Mon, Sep 8, priced at $189 found 6 hours ago

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

August is typically the cheapest month to fly

From $48 - $110 per traveler.

Graph displaying average flight prices per month

Alternative airports near Philadelphia

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

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $360
ILG
New Castle
Average driving time to city center44 min
Flights from $360
Flights from Raleigh (RDU) to Philadelphia (PHL)
Origin airport
Raleigh - Durham Intl.
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$82
Distance
337 mi
Average flight time
1 hour 27 mins

Raleigh to Philadelphia Flights

The cheapest times to fly from Raleigh to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Raleigh to Philadelphia are during the month of July. You can find some of the cheapest flights from Raleigh to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Raleigh to Philadelphia

Sunday is one of the best days to book for cheap flights from Raleigh to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Raleigh to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Raleigh to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Raleigh to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Raleigh to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL) cost?
You can book cheap return tickets starting from $88 from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving RDU on July 31 2025 and touching down at PHL. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from RDU to PHL?
The cheapest flights from RDU to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
Hop on a direct flight with American Airlines and travel straight from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL).
What is the cheapest airline that flies from RDU to PHL?
With tickets starting at $64 for a one-way flight from RDU to PHL, Frontier Airlines is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from RDU on September 27 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
When departing from Raleigh - Durham Intl. Airport (RDU), you can pick from an average of 5 daily nonstop flights to Philadelphia Intl. Airport (PHL).
What are the most popular departure times for flights from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
Flights between RDU and PHL are their busiest at 1 PM. For a more relaxed experience and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from RDU to PHL?
Monday has the most flights from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL). Consider taking off on this day and you'll have the best chance of finding a departure that works with your plans.
What is the earliest flight from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
Hop on the earliest flight at around 8:15AM UTC-5, departing from Raleigh - Durham Intl. Airport (RDU). You'll be in the air for roughly 1h 31m, landing at Philadelphia Intl. Airport (PHL) at approximately 9:46AM UTC-5.
How long does it take to fly from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
The average flight duration from RDU to PHL is 1 hour and 27 minutes, covering a total distance of 340 mi.
What airline has the least delays from RDU to PHL?
With 84% of flights typically arriving on time, American Airlines has the best on-time performance for nonstop flights from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL). To keep track of your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
Select a flight from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Raleigh - Durham Intl. Airport (RDU)?
Philadelphia Intl. Airport (PHL) is the only airport in Philadelphia with direct flights from Raleigh - Durham Intl. Airport (RDU). Consider the available options and find cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL) last-minute?
Booking your plane ticket from RDU to PHL just before your trip is generally more expensive. However, if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a RDU to PHL flight and hotel package?
Opting for a RDU to PHL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Philadelphia Intl. Airport (PHL)?
Typically, it's possible to cancel or reschedule your RDU to PHL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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