How long is the flight from Washington, D.C. to Philadelphia?

For as low as $249, Frontier can have you in Philadelphia from Washington, D.C. in 1h 15m. The distance between Washington, D.C. and Philadelphia is about 134 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Washington, D.C. to Philadelphia round-trip?

Cheapflights users have booked flights from Washington, D.C. to Philadelphia round-trip from $179. Another airline that can offer you cheap pricing is United Airlines. These flights start at 56% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. to Philadelphia one-way?

The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Philadelphia for a low price.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the most popular routes from Washington, D.C. to Philadelphia?

While some choose either Baltimore/Washington - Philadelphia or Washington, D.C. Reagan-National - Philadelphia, Washington, D.C. Dulles Intl - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.

What are the cheapest flights from Washington, D.C. to Philadelphia?

On average you can expect to pay $513 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $233 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $249.

What are the most reliable airlines from Washington, D.C. to Philadelphia?

No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Philadelphia consider choosing ANA (90%), Mesa Airlines (89%) or Air China (77%) as they are the most reliable in getting you off to your destination on time.

Most accurate provider : When it comes to deals on Washington, D.C.-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Philadelphia flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-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 Washington, D.C.-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Philadelphia from Washington, D.C.?

Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Philadelphia. 2 airlines have flights to Philadelphia from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Philadelphia should not be difficult; the airport handles an average of 11 inbound flights from Washington, D.C. per day.

Can I find deals for flights from Washington, D.C. to Philadelphia that include hotel bookings?

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

How can I find direct flights from Washington, D.C. to Philadelphia?

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

Can I find deals for business class flights from Washington, D.C. to Philadelphia?

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$73+ Cheap Flights from Washington, D.C. to Philadelphia

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Cheap flight deals from Washington, D.C. to Philadelphia

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to Philadelphia
Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Fri 9/119:25 pm -

1 stop9h 51m

Mon 9/146:00 pm -

1 stop27h 59m

Deal found 8/7

$157

Fri 9/119:04 pm -

1 stop10h 12m

Mon 9/145:32 pm -

1 stop6h 38m

Deal found 8/7

$168

Fri 9/259:25 pm -

1 stop9h 51m

Tue 9/298:41 am -

1 stop8h 05m

Deal found 8/7

$172

Mon 9/147:50 am -

1 stop10h 24m

Mon 9/215:40 pm -

1 stop6h 30m

Deal found 8/2

$179

Mon 8/3112:00 pm -

2 stops20h 51m

Fri 9/115:32 pm -

1 stop6h 38m

Deal found 8/3

$182

Sat 10/109:20 pm -

1 stop10h 16m

Wed 10/149:10 am -

1 stop7h 02m

Deal found 8/5

$185

Wed 9/910:10 am -

1 stop8h 04m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$186

Fri 9/1110:22 am -

1 stop7h 52m

Wed 9/168:41 am -

1 stop8h 05m

Deal found 8/4

$187

Sun 9/139:04 pm -

1 stop10h 12m

Wed 9/165:32 pm -

1 stop6h 38m

Deal found 8/4

$187

Tue 9/89:32 pm -

1 stop9h 44m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$189

Sun 9/139:25 pm -

1 stop9h 51m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$190

Mon 8/314:52 pm -

1 stop15h 59m

Fri 9/115:32 pm -

1 stop6h 38m

Deal found 8/3

$190

Best flights from Washington, D.C. to Philadelphia
Discover carefully curated flight deals from Washington, D.C. to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Fri 9/119:25 pm -

1 stop9h 51m

Mon 9/146:00 pm -

1 stop27h 59m

Deal found 8/7

$157

Fri 9/111:05 pm -

Nonstop1h 15m

Mon 9/147:40 pm -

Nonstop1h 21m

Deal found 8/5

$249

Wed 9/23:20 pm -

1 stop7h 09m

Sat 9/54:59 pm -

1 stop6h 34m

Deal found 8/6

$251

Thu 8/271:55 pm -

Nonstop1h 10m

Sun 8/307:35 pm -

Nonstop1h 38m

Deal found 8/2

$251

Mon 9/147:50 am -

1 stop10h 24m

Mon 9/215:40 pm -

1 stop6h 30m

Deal found 8/2

$179

Fri 10/29:25 pm -

1 stop9h 51m

Sun 10/48:41 am -

1 stop14h 13m

Deal found 8/6

$189

Mon 9/1410:22 am -

1 stop7h 52m

Mon 9/2112:40 pm -

1 stop20h 45m

Deal found 8/4

$193

Thu 8/271:05 pm -

Nonstop1h 16m

Sun 8/307:40 pm -

Nonstop1h 19m

Deal found 8/4

$249

Sat 10/244:10 pm -

1 stop7h 34m

Thu 10/2910:30 am -

1 stop6h 49m

Deal found 8/6

$251

Sat 9/196:00 am -

1 stop12h 14m

Sat 9/2612:40 pm -

1 stop9h 18m

Deal found 8/5

$194

Mon 9/145:00 am -

1 stop5h 05m

Mon 9/217:40 pm -

Nonstop1h 33m

Deal found 8/6

$259

Thu 9/38:30 am -

Nonstop1h 13m

Thu 9/107:40 pm -

Nonstop1h 21m

Deal found 8/6

$249

Sat 10/244:10 pm -

1 stop7h 34m

Wed 10/2810:30 am -

1 stop4h 29m

Deal found 8/6

$251

Sat 9/58:45 am -

1 stop11h 43m

Mon 9/76:30 am -

1 stop24h 56m

Deal found 8/3

$196

Fri 10/28:30 am -

Nonstop1h 13m

Sun 10/410:40 am -

Nonstop0h 56m

Deal found 8/6

$249

Mon 9/146:00 am -

1 stop6h 54m

Mon 9/211:55 pm -

1 stop7h 12m

Deal found 8/6

$251

Sat 9/1910:22 am -

1 stop7h 52m

Sun 9/205:32 pm -

1 stop15h 53m

Deal found 8/2

$203

Sat 9/191:05 pm -

Nonstop1h 15m

Sun 9/2010:30 am -

Nonstop1h 07m

Deal found 8/2

$249

Sun 10/116:00 am -

1 stop7h 02m

Fri 10/163:25 pm -

1 stop5h 35m

Deal found 8/5

$251

Sat 10/241:20 pm -

1 stop4h 39m

Tue 10/276:00 am -

1 stop5h 11m

Deal found 8/6

$251

Tue 8/259:32 pm -

1 stop25h 01m

Fri 9/46:30 am -

1 stop24h 56m

Deal found 8/7

$219

Thu 8/273:20 pm -

1 stop8h 33m

Sun 8/309:12 am -

1 stop5h 13m

Deal found 8/5

$264

Sat 8/298:30 am -

Nonstop1h 13m

Sun 8/307:40 pm -

Nonstop1h 19m

Deal found 8/5

$319

Sat 9/124:35 pm -

1 stop6h 32m

Sun 9/131:55 pm -

1 stop7h 12m

Deal found 8/5

$264

Sat 9/1911:12 am -

2 stops12h 06m

Sun 9/205:32 pm -

1 stop6h 38m

Deal found 8/2

$243

Sat 8/293:09 pm -

1 stop7h 20m

Sun 8/304:59 pm -

1 stop6h 33m

Deal found 8/5

$279

Last-minute flights from Washington, D.C. to Philadelphia
Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated August 7, 2026 and is based on user searches.

Thu 8/278:39 pm -

1 stop10h 36m

Sun 8/308:30 am -

1 stop14h 22m

Deal found 8/2

$191

Mon 8/3112:00 pm -

2 stops20h 51m

Fri 9/115:32 pm -

1 stop6h 38m

Deal found 8/3

$182

Mon 8/314:52 pm -

1 stop15h 59m

Fri 9/115:32 pm -

1 stop6h 38m

Deal found 8/3

$190

Tue 9/89:32 pm -

1 stop9h 44m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$189

Wed 9/910:10 am -

1 stop8h 04m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$186

Fri 9/119:25 pm -

1 stop9h 51m

Mon 9/146:00 pm -

1 stop27h 59m

Deal found 8/7

$157

Fri 9/119:04 pm -

1 stop10h 12m

Mon 9/145:32 pm -

1 stop6h 38m

Deal found 8/7

$168

Fri 9/1110:22 am -

1 stop7h 52m

Wed 9/168:41 am -

1 stop8h 05m

Deal found 8/4

$187

Sun 9/139:04 pm -

1 stop10h 12m

Wed 9/165:32 pm -

1 stop6h 38m

Deal found 8/4

$187

Sun 9/139:25 pm -

1 stop9h 51m

Tue 9/158:41 am -

1 stop8h 05m

Deal found 8/4

$190

Mon 9/147:50 am -

1 stop10h 24m

Mon 9/215:40 pm -

1 stop6h 30m

Deal found 8/2

$179

Fri 9/259:25 pm -

1 stop9h 51m

Tue 9/298:41 am -

1 stop8h 05m

Deal found 8/7

$172

One-way flights from Washington, D.C. to Philadelphia
Search for one-way flight options from Washington, D.C. to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Tue 9/298:19 am -

1 stop10h 45m

Deal found 8/7

$73

Wed 9/98:25 am -

1 stop24h 16m

Deal found 8/7

$75

Sat 9/56:45 am -

1 stop15h 48m

Deal found 8/6

$85

Tue 10/610:22 am -

1 stop7h 52m

Deal found 8/6

$86

Sun 8/309:32 pm -

1 stop22h 56m

Deal found 8/7

$88

Tue 11/39:20 pm -

1 stop20h 55m

Deal found 8/7

$89

Fri 9/119:04 pm -

1 stop21h 10m

Deal found 8/2

$90

Sun 10/48:25 am -

1 stop28h 05m

Deal found 8/6

$91

Tue 10/207:00 am -

1 stop6h 12m

Deal found 8/3

$91

Mon 8/248:39 pm -

1 stop25h 54m

Deal found 8/3

$92

Mon 11/29:24 am -

1 stop8h 51m

Deal found 8/3

$96

Thu 11/59:20 pm -

1 stop15h 52m

Deal found 8/3

$97

Find flight deals from Washington, D.C. to Philadelphia

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$157 (Kiwi.com)
One-way from	$73 (Kiwi.com)
Popular in	March
Cheapest in	December
Good round-trip deal	$409 or less
Good one-way deal	$238 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.

Search Deals

From Washington, D.C. (WAS) to Philadelphia

Search Deals

One-way flight from Washington, D.C. (WAS) to Philadelphia

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($94 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to Philadelphia.

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to Philadelphia.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Fri 9/11

9:25 pm-7:16 am

1 stop9h 51m

Philadelphia

Mon 9/14

6:00 pm-9:59 pm

1 stop27h 59m

$157

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Mon 9/14

7:50 am-6:14 pm

1 stop10h 24m

Philadelphia

Mon 9/21

5:40 pm-12:10 am

1 stop6h 30m

$179

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Fri 10/2

9:25 pm-7:16 am

1 stop9h 51m

Philadelphia

Sun 10/4

8:41 am-10:54 pm

1 stop14h 13m

$189

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Mon 9/14

10:22 am-6:14 pm

1 stop7h 52m

Philadelphia

Mon 9/21

12:40 pm-9:25 am

1 stop20h 45m

$193

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Sat 9/19

6:00 am-6:14 pm

1 stop12h 14m

Philadelphia

Sat 9/26

12:40 pm-9:58 pm

1 stop9h 18m

$194

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Sat 9/5

8:45 am-8:28 pm

1 stop11h 43m

Philadelphia

Mon 9/7

6:30 am-7:26 am

1 stop24h 56m

$196

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Sat 9/19

10:22 am-6:14 pm

1 stop7h 52m

Philadelphia

Sun 9/20

5:32 pm-9:25 am

1 stop15h 53m

$203

BaltimorePhiladelphia

BWI Baltimore/Washington - PHL Philadelphia

BWIPHL

Baltimore/Washington

Tue 8/25

9:32 pm-10:33 pm

1 stop25h 01m

Philadelphia

Fri 9/4

6:30 am-7:26 am

1 stop24h 56m

$219

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Sat 9/19

11:12 am-11:18 pm

2 stops12h 06m

Philadelphia

Sun 9/20

5:32 pm-12:10 am

1 stop6h 38m

$243

Washington, D.C.Philadelphia

IAD Washington, D.C. Dulles Intl - PHL Philadelphia

IADPHL

Washington, D.C. Dulles Intl

Fri 9/11

1:05 pm-2:20 pm

Nonstop1h 15m

Philadelphia

Mon 9/14

7:40 pm-9:01 pm

Nonstop1h 21m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 56 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to Philadelphia

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Philadelphia in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*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 Washington, D.C.-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Philadelphia flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-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 Washington, D.C.-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 Washington, D.C. to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Washington, D.C. with our price prediction graph.

WAS-PHL

BWI-PHL

DCA-PHL

IAD-PHL

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 Washington, D.C. to Philadelphia

WAS-PHL

BWI-PHL

DCA-PHL

IAD-PHL

What is the cheapest month to book a flight from Washington, D.C. to Philadelphia?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $184). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $614). 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 WAS to PHL?

When flying from Washington, D.C. to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 34% versus a flight in the evening.

Weekly flight availability from Washington, D.C. to Philadelphia

The most flights from WAS to PHL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

What is the cheapest day to fly from Washington, D.C. to Philadelphia?

Travelers seeking maximum savings on their Washington, D.C. to Philadelphia flight should consider departing on Monday 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 Washington, D.C. to Philadelphia flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Philadelphia trip

Our travel experts

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.

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

10,080 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

United Airlines

7.4

Good

10,080 reviews

United Airlines

7.4

Good

10,080 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

American Airlines

7.1

Good

11,874 reviews

United Airlines

7.4

Good

10,080 reviews

Reviews

1 / 20

10.0

Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Washington, D.C.?
Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Philadelphia. 2 airlines have flights to Philadelphia from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Philadelphia should not be difficult; the airport handles an average of 11 inbound flights from Washington, D.C. per day.
How long is the flight from Washington, D.C. to Philadelphia?
For as low as $249, Frontier can have you in Philadelphia from Washington, D.C. in 1h 15m. The distance between Washington, D.C. and Philadelphia is about 134 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Washington, D.C. to Philadelphia round-trip?
Cheapflights users have booked flights from Washington, D.C. to Philadelphia round-trip from $179. Another airline that can offer you cheap pricing is United Airlines. These flights start at 56% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. to Philadelphia one-way?
The cheapest airline one-way is JetBlue, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Philadelphia for a low price.
What are the most popular routes from Washington, D.C. to Philadelphia?
While some choose either Baltimore/Washington - Philadelphia or Washington, D.C. Reagan-National - Philadelphia, Washington, D.C. Dulles Intl - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.
What are the most reliable airlines from Washington, D.C. to Philadelphia?
No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Philadelphia consider choosing ANA (90%), Mesa Airlines (89%) or Air China (77%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Washington, D.C. to Philadelphia?
On average you can expect to pay $513 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $233 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $249.
Can I find deals for flights from Washington, D.C. to Philadelphia that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Philadelphia.
Can I find deals for business class flights from Washington, D.C. to Philadelphia?
Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Philadelphia?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $184). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $614). 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

Wildwood

King of Prussia

Reading

Camden

Ocean City

Cherry Hill

Lewes

Plymouth Meeting

Wyomissing

Wildwood Crest

Pottstown

Ephrata

Milford

Dover

Elkton

Essington

Willow Grove

New Castle

Millville

Vineland

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Philadelphia

Dulles Intl to John F Kennedy Intl flights

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Reagan-National to Pittsburgh flights

Dulles Intl to Philadelphia flights

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Top 2 airlines flying from Washington, D.C. to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$179	Average$309	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$194	Average$491	FlexibilityNo cancel fee	On-time69%

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$73+ Cheap flights from Washington, D.C. (WAS) to Philadelphia (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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to Philadelphia

Cheapest flights from Washington, D.C. to PhiladelphiaExplore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Best flights from Washington, D.C. to PhiladelphiaDiscover carefully curated flight deals from Washington, D.C. to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Discover carefully curated flight deals from Washington, D.C. to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Last-minute flights from Washington, D.C. to PhiladelphiaDiscover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated August 7, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated August 7, 2026 and is based on user searches.

One-way flights from Washington, D.C. to PhiladelphiaSearch for one-way flight options from Washington, D.C. to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

Search for one-way flight options from Washington, D.C. to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.

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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 Washington, D.C. to Philadelphia in August.

Best time to book a flight from Washington, D.C. to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Washington, D.C. with our price prediction graph.

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What is the cheapest month to book a flight from Washington, D.C. to Philadelphia?

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

Find hourly flight availability from Washington, D.C. 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 August 7, 2026.

When flying from Washington, D.C. to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 34% versus a flight in the evening.

Weekly flight availability from Washington, D.C. to Philadelphia

The most flights from WAS to PHL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

What is the cheapest day to fly from Washington, D.C. to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Philadelphia. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Philadelphia flight should consider departing on Monday 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 Washington, D.C. to Philadelphia flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Philadelphia trip

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Reviews of airlines servicing Philadelphia

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Washington, D.C.?

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Can I find deals for flights from Washington, D.C. to Philadelphia that include hotel bookings?

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Can I find deals for business class flights from Washington, D.C. to Philadelphia?

What is the cheapest month to book a flight from Washington, D.C. to Philadelphia?

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Washington, D.C. and Philadelphia flights

Browse other Washington, D.C. and Philadelphia flight options. Last updated on August 7, 2026.

Other flights from Washington, D.C.

Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on August 7, 2026.

Other flights to Philadelphia

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Washington, D.C. to Philadelphia flights

Consider these flights traveling from Washington, D.C. to Philadelphia.

Top 2 airlines flying from Washington, D.C. to Philadelphia

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Cheapest flights from Washington, D.C. to Philadelphia
Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2026.

Best flights from Washington, D.C. to Philadelphia
Discover carefully curated flight deals from Washington, D.C. to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 7, 2026.

Last-minute flights from Washington, D.C. to Philadelphia
Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated August 7, 2026 and is based on user searches.

One-way flights from Washington, D.C. to Philadelphia
Search for one-way flight options from Washington, D.C. to Philadelphia. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.