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Cheap Flights from Durham (RDU) to Philadelphia (PHLA)

Compare Raleigh / Durham to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

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Flight deals from Raleigh / Durham to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham Airport to Philadelphia? If you want to travel next month, return fares start from $230. Find the lowest prices on one-way and return tickets right here.
Philadelphia.$230 per passenger.Departing Wed, 19 Aug, returning Wed, 26 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Wed, 19 Aug, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 26 Aug, arriving in Raleigh / Durham.Price includes taxes and charges.From $230, select.
Philadelphia.$230 per passenger.Departing Wed, 15 Jul, returning Sat, 18 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Wed, 15 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Sat, 18 Jul, arriving in Raleigh / Durham.Price includes taxes and charges.From $230, select.
Philadelphia.$230 per passenger.Departing Tue, 2 Jun, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Tue, 2 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 3 Jun, arriving in Raleigh / Durham.Price includes taxes and charges.From $230, select.
Philadelphia.$231 per passenger.Departing Tue, 30 Jun, returning Wed, 8 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Tue, 30 Jun, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 8 Jul, arriving in Raleigh / Durham.Price includes taxes and charges.From $231, select.
Philadelphia.$231 per passenger.Departing Sat, 30 May, returning Wed, 3 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Sat, 30 May, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 3 Jun, arriving in Raleigh / Durham.Price includes taxes and charges.From $231, select.
Philadelphia.$232 per passenger.Departing Wed, 27 May, returning Wed, 27 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Wed, 27 May, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Wed, 27 May, arriving in Raleigh / Durham.Price includes taxes and charges.From $232, select.
Philadelphia.$245 per passenger.Departing Thu, 30 Jul, returning Tue, 4 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Raleigh / Durham on Thu, 30 Jul, arriving in Philadelphia International.Inbound direct flight with Frontier Airlines departs from Philadelphia International on Tue, 4 Aug, arriving in Raleigh / Durham.Price includes taxes and charges.From $245, select.
Philadelphia.$317 per passenger.Departing Fri, 11 Sep, returning Mon, 14 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Raleigh / Durham on Fri, 11 Sep, arriving in Philadelphia International.Inbound indirect flight with Frontier Airlines, departs from Philadelphia International on Mon, 14 Sep, arriving in Raleigh / Durham.Price includes taxes and charges.From $317, select.
Philadelphia.$402 per passenger.Departing Wed, 14 Oct, returning Sat, 17 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Raleigh / Durham on Wed, 14 Oct, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Sat, 17 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From $402, select.
Philadelphia.$494 per passenger.Departing Fri, 25 Sep, returning Mon, 5 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Raleigh / Durham on Fri, 25 Sep, arriving in Philadelphia International.Inbound indirect flight with Delta, departs from Philadelphia International on Mon, 5 Oct, arriving in Raleigh / Durham.Price includes taxes and charges.From $494, select.
Philadelphia.$628 per passenger.Departing Tue, 22 Dec, returning Wed, 30 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Raleigh / Durham on Tue, 22 Dec, arriving in Philadelphia International.Inbound indirect flight with Southwest Airlines, departs from Philadelphia International on Wed, 30 Dec, arriving in Raleigh / Durham.Price includes taxes and charges.From $628, select.
Philadelphia.$972 per passenger.Departing Tue, 30 Mar, returning Fri, 2 Apr.Return flight with United.Outbound indirect flight with United, departs from Raleigh / Durham on Tue, 30 Mar, arriving in Philadelphia International.Inbound indirect flight with United, departs from Philadelphia International on Fri, 2 Apr, arriving in Raleigh / Durham.Price includes taxes and charges.From $972, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Raleigh / Durham to Philadelphia flights are currently cheapest in June.
May
from $232
Jun
from $230
Jul
from $230
Aug
from $230
Sep
from $317
Oct
from $402
Nov
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Dec
from $628
Jan
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Feb
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Mar
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Apr
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Direct flights from Raleigh / Durham to Philadelphia

Alternative Raleigh / Durham to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Raleigh / Durham to Philadelphia? You could fly into the following airports instead.

Philadelphia International

11km from central Philadelphia
Closest
from $230
Search flights

Blue Bell

22km from central Philadelphia
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Philadelphia Trenton-Mercer

47km from central Philadelphia
from $260
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Greater Wilmington

49km from central Philadelphia
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Atlantic City International

75km from central Philadelphia
Cheapest
from $133
Search flights

Allentown

81km from central Philadelphia
from $400
Search flights

Durham to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$230
Cheapest month to flyJune
Average flight time1 hr, 35 mins
Most popular airlineAmerican Airlines
Average flights per week153

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

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Raleigh / Durham to Philadelphia is $230. 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 35 minutes is the average flight time from Raleigh / Durham to Philadelphia.
American Airlines, PSA Airlines and Republic Airways fly direct from Raleigh / Durham to Philadelphia.
As of May 2026, there are 153 flights per week flying from Raleigh / Durham to Philadelphia.
The cheapest month to fly from Raleigh / Durham to Philadelphia is usually June.
If you're flying from Raleigh / Durham Airport, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from $230.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Philadelphia on Tuesday, 2 June 2026.
Yes – the average flight time is 1 hour and 35 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 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.
In May, the average temperature is usually around 16°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
Currently, Frontier Airlines offers the cheapest flight tickets to Philadelphia.

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

  • Expect to be in the air for 1 hour 30 minutes. On average, that's the time it takes for a direct flight from Raleigh-Durham International Airport to Philadelphia.

  • Durham (the location of Raleigh-Durham International Airport) and Philadelphia are in the same timezone — UTC-5.

  • Raleigh-Durham International Airport (RDU) to Philadelphia International Airport (PHL) is the most popular route, with 46 departures a week to choose from. If you prefer starting your day later, the last flight from RDU to PHL is with Frontier Airlines at 22:44. Choose the first departure operated by American Airlines at 06:00 if you want to fly out earlier.

  • Leave enough time to make your RDU to Philadelphia flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Flying during a popular month such as June? Major public holidays and other high seasons can lead to longer lines at security. Play things extra safe and get there up to four hours ahead of international flights and two hours before a domestic departure.

  • You can book a direct Raleigh-Durham International Airport to Philadelphia ticket. Begin your trip at RDU and touch down at Philadelphia International Airport (PHL).

  • Be on the lookout for offers from American Airlines. This carrier operates direct flights from Raleigh-Durham International Airport to Philadelphia.

  • RDU is around 16 kilometres from central Durham. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 45 minutes.

  • Booked an early flight from Raleigh-Durham International Airport to Philadelphia? Avoid the stress of rushing to the airport (and sneak in some extra precious sleep) by choosing one of these stays near RDU:

  • When it comes to Raleigh-Durham International Airport's on-time performance, 78% of flights arrive within the scheduled time frame.

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

  • $115 is currently the lowest price for a one-way Raleigh-Durham International Airport to Philadelphia flight. A return plane ticket starts at $230. These prices can change based on availability.

  • To pick up cheap flights from RDU to Philadelphia, book as early as you can. Airlines typically offer lower prices when tickets first go on sale.

  • The 'Whole month' search tool will show you the cheapest tickets from Raleigh-Durham International Airport to Philadelphia throughout the entire month. It's a good way to snap up a bargain if your dates aren't set in stone.

  • Picking up a cheap flight from RDU to Philadelphia is a breeze with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch when a cheaper option becomes available.

  • Pick your preferred arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Raleigh-Durham International Airport to Philadelphia by 'Cheapest,' 'Fastest' or 'Best.'

Airports in Philadelphia

Philadelphia International Airport (PHL)

  • The distance from Philadelphia International Airport (PHL) to central Philadelphia is roughly 18 kilometres. It'll take you about 20 minutes to get to the centre driving.

  • If you're using public transport, expect a journey time of about 30 minutes.

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Raleigh-Durham International Airport to Philadelphia. Stay at one of these accommodation options near PHL instead:

  • To lock in the lowest price, reserve your ride from Philadelphia International Airport about three weeks in advance of your flight from RDU to Philadelphia.

  • The street address for PHL is 8500 Essington Ave.

Trenton-Mercer Airport (TTN)

  • Central Philadelphia is around 48 kilometres from Trenton-Mercer Airport (TTN). After your flight from Raleigh-Durham International Airport to Philadelphia has hit the runway and you've made your way out of the airport, the drive should take about 40 minutes.

  • Public transport will get you there in around 1 hour 35 minutes.

  • After stepping off your RDU to Philadelphia flight, rest your head at a hotel near TTN. These are some great accommodation options that'll help you switch to relaxation mode:

  • Score the best price by reserving your ride from TTN four weeks ahead of time. You can also expect to have a bigger selection of vehicles.

  • You'll find Trenton-Mercer Airport at Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • December is the quietest month for flights from Raleigh-Durham International Airport to Philadelphia, while July is the most popular. Work out the best time to visit Philadelphia based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your Raleigh-Durham International Airport to Philadelphia plane ticket, think about the weather you're most comfortable in. July is the warmest month in Philadelphia, with temperatures ranging from 18ºC (64ºF) to 32ºC (90ºF).

  • January has average temperatures of between -7ºC (19ºF) and 9ºC (48ºF). Look for a cheap ticket from RDU to Philadelphia around that time if you want to travel when it's cooler.

More about Philadelphia

Explore more of the United States

  • Philadelphia has plenty going for it, but there are so many other parts of the United States just waiting to be discovered. Around 129 kilometres northeast of Philadelphia, a trip to New York will keep you on the go. Start with popular sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.

  • Around 434 kilometres northeast of Philadelphia, Boston is another essential stop in the United States. Get a taste of what this destination has to offer at Museum of Fine Arts Boston, Freedom Trail and USS Constitution Museum.

Plan the rest of your trip from Durham to Philadelphia

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