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$74+ Cheap flights from Raleigh to Philadelphia (RDU - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — PHL
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Raleigh-Durham to Philadelphia are usually found in August or September, booked 81 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Raleigh to Philadelphia

Cheapest flights from Raleigh to Philadelphia
Explore the most affordable flight options available from Raleigh to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 19, 2026.

This Frontier deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:31 pm
RDU
-
PHL
1 stop5h 23m
Frontier
Sun 5/36:15 am
PHL
-
RDU
Nonstop1h 32m
Frontier
Deal found 3/18$118
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:55 pm
RDU
-
PHL
1 stop10h 39m
Frontier
Wed 4/151:30 pm
PHL
-
RDU
Nonstop1h 30m
Frontier
Deal found 3/17$121
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:31 pm
RDU
-
PHL
1 stop5h 23m
Frontier
Sun 4/266:15 am
PHL
-
RDU
Nonstop1h 32m
Frontier
Deal found 3/17$123
This Frontier deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:07 pm
RDU
-
PHL
Nonstop1h 31m
Frontier
Thu 5/149:16 pm
PHL
-
RDU
1 stop12h 05m
Frontier
Deal found 3/18$128
This CheapOair deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:46 am
RDU
-
PHL
1 stop14h 58m
Frontier
Wed 5/137:20 am
PHL
-
RDU
Nonstop1h 31m
Frontier
Deal found 3/18$129
This Frontier deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/245:47 pm
RDU
-
PHL
Nonstop1h 33m
Frontier
Fri 4/2410:38 pm
PHL
-
RDU
1 stop12h 20m
Frontier
Deal found 3/19$134
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1611:49 am
RDU
-
PHL
Nonstop1h 31m
Frontier
Sat 5/168:35 pm
PHL
-
RDU
1 stop14h 56m
Frontier
Deal found 3/17$146
This Mytrip deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/198:32 am
RDU
-
PHL
Nonstop1h 33m
Frontier
Sun 4/195:32 pm
PHL
-
RDU
1 stop14h 46m
Frontier
Deal found 3/14$147
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:09 am
RDU
-
PHL
1 stop16h 36m
Multiple Airlines
Tue 5/195:45 am
PHL
-
RDU
1 stop8h 27m
Multiple Airlines
Deal found 3/15$149

Find flight deals from Raleigh to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$118
(Frontier)

One-way from

$74
(Cheapflightsfares)

Popular in

November

Cheapest in

August

Average price

$204

Good round-trip deal

$207 or less

Good one-way deal

$158 or less
Provider with most accurate pricing for Raleigh-Durham-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Philadelphia flights.
Search Deals
From Raleigh-Durham to Philadelphia
Search Deals
One-way flight from Raleigh-Durham to Philadelphia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Raleigh-Durham to Philadelphia.
Search Deals
Price to beat on a one-way flight from Raleigh-Durham to Philadelphia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
Use the filters below to find and compare flights from Raleigh to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Thu 5/7

5:07 pm-6:40 pm

Nonstop1h 33m

Philadelphia

Mon 5/11

7:22 pm-9:04 pm

Nonstop1h 42m

$178
Quickest round-trip

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Sat 5/23

3:07 pm-4:38 pm

Nonstop1h 31m

Philadelphia

Tue 5/26

5:16 pm-6:43 pm

Nonstop1h 27m

$217

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Thu 4/2

3:43 pm-5:15 pm

Nonstop1h 32m

Philadelphia

Mon 4/6

6:00 am-4:26 pm

1 stop10h 26m

$234

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Thu 4/2

3:43 pm-5:15 pm

Nonstop1h 32m

Philadelphia

Sun 4/5

6:00 am-7:32 am

Nonstop1h 32m

$241

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Wed 8/5

10:29 am-12:06 pm

Nonstop1h 37m

Philadelphia

Sat 8/8

1:57 pm-9:53 pm

1 stop7h 56m

$284

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Mon 7/13

6:35 am-1:20 pm

1 stop6h 45m

Philadelphia

Tue 7/14

6:20 am-2:15 pm

2 stops7h 55m

$456

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Sun 7/19

7:15 am-12:05 pm

1 stop4h 50m

Philadelphia

Wed 7/22

6:20 am-2:15 pm

2 stops7h 55m

$456

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Tue 7/21

11:15 am-10:50 pm

2 stops11h 35m

Philadelphia

Fri 7/24

11:20 am-4:15 pm

1 stop4h 55m

$462

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Wed 7/1

11:15 am-10:50 pm

2 stops11h 35m

Philadelphia

Wed 7/8

6:20 am-2:15 pm

2 stops7h 55m

$467

RaleighPhiladelphia

RDU - PHL

RDUPHL

Raleigh-Durham

Fri 6/19

6:15 am-9:45 am

1 stop3h 30m

Philadelphia

Sun 6/21

6:00 am-2:01 pm

1 stop8h 01m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Raleigh to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Philadelphia in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Raleigh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Philadelphia

How far ahead should I book a flight from Raleigh to Philadelphia?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Philadelphia. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Raleigh to Philadelphia, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Raleigh to Philadelphia?

Currently, March is the cheapest month in which you can book a flight from Raleigh to Philadelphia (average of $41). Flying from Raleigh to Philadelphia in November is currently the most expensive (average of $80). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDU to PHL?

Find hourly flight availability from Raleigh to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 19, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 82% on flights from Raleigh to Philadelphia by exploring options for tickets in the evening.

What is the cheapest day to fly from Raleigh to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Philadelphia. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their Raleigh to Philadelphia flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Raleigh to Philadelphia flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Philadelphia trip
Our travel experts
John Walton

John Walton

Expert on RDU

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated March 19, 2026.
Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier from Raleigh to Philadelphia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,443 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,443 reviews
United Airlines
7.4
Good
9,443 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,476 reviews
United Airlines
7.4
Good
9,443 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.7
Fair
3,024 reviews
United Airlines
7.4
Good
9,443 reviews

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Food

6.6

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Raleigh to Philadelphia?

    Booking a flight from Raleigh-Durham (RDU) to Philadelphia (PHL) is your only option if you wish to fly from Raleigh to Philadelphia. On a typical day, there are 9 flights from Raleigh-Durham to Philadelphia, all of which are around 1h 28m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Raleigh-Durham to Philadelphia.

  • How popular is this Raleigh to Philadelphia flight route?

    The Raleigh-Durham to Philadelphia flight path was viewed by 132 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Raleigh to Philadelphia?

    A quick flight from Raleigh to Philadelphia can take about 1h 33m. Frontier provides one of the quickest options available for as low as $178. The distance from Raleigh to Philadelphia is about 337 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Raleigh to Philadelphia round-trip?

    Frontier, at $76, was found to be the cheapest airline from Raleigh to Philadelphia.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Frontier is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Raleigh to Philadelphia one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $40. Users have also found prices from $130 and $184 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Raleigh to Philadelphia?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Raleigh to Philadelphia on time: Aer Lingus (78%), Republic Airways (76%), British Airways (73%).

  • What are the cheapest flights from Raleigh to Philadelphia?

    The cheapest flight price from Raleigh to Philadelphia is $63. On average you can expect to pay $1,069. The most popular route, (Raleigh-Durham - Philadelphia), can usually be booked for $150.

  • Can I find deals for flights from Raleigh to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Raleigh to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Philadelphia.

  • Can I find deals for business class flights from Raleigh to Philadelphia?

    Yes. Cheapflights offers flight deals from Raleigh to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Raleigh to Philadelphia?

    Currently, March is the cheapest month in which you can book a flight from Raleigh to Philadelphia (average of $41). Flying from Raleigh to Philadelphia in November is currently the most expensive (average of $80). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Reading
Camden
King of Prussia
Ocean City
Cherry Hill
Lewes
Dewey Beach
Pottstown
Ephrata
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Raleigh to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Raleigh to Philadelphia

Discover the top 3 airlines that operate flights from Raleigh to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$139FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$156Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$557FlexibilityNo cancel feeOn-time69%

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