66 € Cheap Flights from Raleigh / Durham to Philadelphia International

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Flight deals from Raleigh / Durham to Philadelphia International

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham to Philadelphia International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Raleigh / Durham to Philadelphia International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Philadelphia International flights are currently cheapest in September.

Direct flights from Raleigh / Durham to Philadelphia International

Raleigh / Durham to Philadelphia International: Alternative routes

Compare routes from Raleigh / Durham to Philadelphia below. You may find an airport to fly into that's cheaper, faster, or easier than Philadelphia International.

Durham to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found66 €
Cheapest month to flySeptember
Average flight time1 hr, 29 mins
Most popular airlineAmerican Airlines
Average flights per week136

Finding cheap flights from Raleigh / Durham to Philadelphia International: Frequently asked questions

The best price we found for a return flight from Raleigh / Durham to Philadelphia International is 66 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 29 minutes is the average flight time from Raleigh / Durham to Philadelphia International.
American Airlines, PSA Airlines and Aer Lingus fly direct from Raleigh / Durham to Philadelphia International.
As of July 2025, there are 136 flights per week flying from Raleigh / Durham to Philadelphia International.
The cheapest month to fly from Raleigh / Durham to Philadelphia International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Philadelphia International Airport on Saturday, 6 September 2025.
Yes – the average flight time is 1 hour and 29 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia International.

Flying from Raleigh-Durham International Airport (RDU) to Philadelphia International Airport (PHL): what you need to know

  • Book a direct flight from Raleigh-Durham International Airport to Philadelphia International Airport and you'll be in the air for an average of 1 hour 30 minutes.

  • Durham and Philadelphia are in the UTC-4 timezone. That means you won't have to change your watch when you arrive.

  • Choose from 58 weekly Raleigh-Durham International Airport to Philadelphia International Airport flights. The 06:00 departure with American Airlines is the earliest flight you can take. Frontier Airlines operates the latest service of the day at 22:22.

  • Leave enough time to make your RDU to PHL flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as July? Public holidays and other high seasons can mean longer lines and delays at security. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.

  • American Airlines offers direct flights from Raleigh-Durham International Airport to Philadelphia International Airport. Book with this popular carrier, then get ready to see the sights in Philadelphia — and maybe even more of United States if your schedule allows.

  • Most passengers choose to travel with American Airlines on this route.

  • The most punctual carrier operating RDU to PHL flights is Frontier Airlines. Its services arrive without delay 77.23% of the time.

  • We make it a breeze to book a flight with a stopover. To see all your options for tickets from Raleigh-Durham International Airport to Philadelphia International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to visit your chosen city. Top stopovers between RDU and PHL include:

    • Washington Dulles International Airport

    • Ronald Reagan National Airport

    • LaGuardia Airport

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to Philadelphia International Airport (PHL)

  • The lowest price we've seen for a one-way Raleigh-Durham International Airport to Philadelphia International Airport flight is 43 €. A return fare right now is 66 €. Depending on the availability and when you book, these fares can change.

  • To pick up cheap tickets from RDU to PHL, book your trip six months before your planned departure.

  • The cheapest month for flights from Raleigh-Durham International Airport to Philadelphia International Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have a flexible travel schedule.

  • Getting your hands on cheap flights from RDU to PHL couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Tailor your trip with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Raleigh-Durham International Airport to Philadelphia International Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • 80.09% of flights departing from Raleigh-Durham International Airport touch down at their destination according to schedule. With its reliable on-time performance, disruptions are unlikely when jetting out of RDU.

  • Raleigh-Durham International Airport is around 23 kilometres from central Durham. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Expect a trip time of roughly 1 hour 10 minutes on public transport.

  • Need a convenient hotel close to RDU? If you've booked an early flight from Raleigh-Durham International Airport to Philadelphia International Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Philadelphia International Airport (PHL)

Getting from Philadelphia International Airport (PHL) to central Philadelphia

  • PHL is located at Industrial Highway and Island Road.

  • Philadelphia International Airport to the centre of Philadelphia has a drive time of around 15 minutes. It's approximately 19 kilometres away.

  • It takes around 45 minutes if you're travelling by public transport.

When to fly to Philadelphia International Airport (PHL)

  • It's time to choose your dates for your flight from Raleigh-Durham International Airport to Philadelphia International Airport. August is the busiest month to visit Philadelphia. If you prefer a more relaxed vibe, go in February.

  • When reserving your flight from Raleigh-Durham International Airport to Philadelphia International Airport, consider the kind of weather you like. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • Search for cheap tickets from RDU to PHL in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -7ºC (19ºF) and 9ºC (48ºF) on average.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered after you've seen Philadelphia. Around 129 kilometres away to the north-east, its top attractions include Statue of Liberty, Central Park and Empire State Building.

  • Boston is another well-known destination in United States and is around 434 kilometres north-east of Philadelphia. No trip is complete without seeing Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.