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$111+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$157
(Mytrip)

One-way from

$111
(JetBlue)

Popular in

August

Cheapest in

April

Average price

$239

Good round-trip deal

$239 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Philadelphia flights.
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From Washington, D.C. (WAS) to Philadelphia
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One-way flight from Washington, D.C. (WAS) to Philadelphia
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Highest demand for flights based on searches. 11% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Philadelphia.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Philadelphia.
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Find flight deals from Washington, D.C. to Philadelphia

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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/288:26 amBWI - PHL
1 stop23h 22mSpirit Airlines
Wed 6/46:00 amPHL - BWI
1 stop11h 48mSpirit Airlines
Deal found 4/30$157
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:33 amDCA - PHL
Nonstop0h 57mAmerican Airlines
Sun 5/2510:41 amPHL - DCA
Nonstop1h 08mAmerican Airlines
Deal found 4/30$179
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2112:55 pmIAD - PHL
Nonstop1h 14mUnited Airlines
Sat 6/286:05 amPHL - IAD
Nonstop1h 10mUnited Airlines
Deal found 4/29$179
This JetBlue deal was found by Cheapflights users on 4/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:40 pmDCA - PHL
1 stop4h 50mJetBlue
Wed 6/46:00 amPHL - DCA
1 stop6h 00mJetBlue
Deal found 4/30$231
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/95:55 amBWI - PHL
1 stop11h 34mMultiple Airlines
Wed 6/117:25 amPHL - BWI
2 stops10h 23mMultiple Airlines
Deal found 4/30$240
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/218:14 pmIAD - PHL
1 stop3h 54mAmerican Airlines
Sat 6/286:08 amPHL - IAD
1 stop4h 40mAmerican Airlines
Deal found 4/29$289
This eDestinos deal was found by Cheapflights users on 4/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/134:24 pmIAD - PHL
1 stop18h 51mFrontier
Fri 6/206:54 pmPHL - IAD
1 stop20h 22mFrontier
Deal found 4/29$304
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 5/285:40 pmIAD - PHL
3 stops28h 56mMultiple Airlines
Wed 6/46:00 amPHL - IAD
2 stops29h 02mMultiple Airlines
Deal found 4/30$314
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2811:19 amBWI - PHL
1 stop10h 09mUnited Airlines
Wed 6/412:25 pmPHL - BWI
1 stop9h 17mUnited Airlines
Deal found 4/30$525
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:29 pmIAD - PHL
1 stop5h 00mDelta
Sun 6/226:38 amPHL - IAD
1 stop5h 16mDelta
Deal found 4/29$1,441
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:00 amIAD - PHL
1 stop19h 44mAlaska Airlines
Sun 5/116:53 pmPHL - IAD
1 stop12h 50mAlaska Airlines
Deal found 4/29$1,491

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 May 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Philadelphia that are best for you.

Fly from

Washington, D.C.

Fly to

Philadelphia

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 5/28

8:26 am-7:48 am

1 stop23h 22m

Philadelphia

Wed 6/4

6:00 am-5:48 pm

1 stop11h 48m

$157

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 6/21

10:00 pm-11:05 pm

Nonstop1h 05m

Philadelphia

Sat 6/28

7:48 pm-9:09 pm

Nonstop1h 21m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 6/21

12:55 pm-2:09 pm

Nonstop1h 14m

Philadelphia

Sat 6/28

6:05 am-7:15 am

Nonstop1h 10m

$179

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 6/9

5:55 am-5:29 pm

1 stop11h 34m

Philadelphia

Wed 6/11

7:25 am-5:48 pm

2 stops10h 23m

$240

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 5/13

5:40 pm-10:21 pm

1 stop4h 41m

Philadelphia

Tue 5/20

10:16 am-2:14 pm

1 stop3h 58m

$258

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 6/21

8:14 pm-12:08 am

1 stop3h 54m

Philadelphia

Sat 6/28

6:08 am-10:48 am

1 stop4h 40m

$289

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 6/13

4:24 pm-11:15 am

1 stop18h 51m

Philadelphia

Fri 6/20

6:54 pm-3:16 pm

1 stop20h 22m

$304

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 5/28

5:40 pm-10:36 pm

3 stops28h 56m

Philadelphia

Wed 6/4

6:00 am-11:02 am

2 stops29h 02m

$314

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 5/28

11:19 am-9:28 pm

1 stop10h 09m

Philadelphia

Wed 6/4

12:25 pm-9:42 pm

1 stop9h 17m

$525

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 6/18

5:29 pm-10:29 pm

1 stop5h 00m

Philadelphia

Sun 6/22

6:38 am-11:54 am

1 stop5h 16m

$1,441

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 23 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Philadelphia in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 eDreams the most. eDreams 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.
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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $236). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $295). 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?

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 May 1, 2025.

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 38% versus a flight in the afternoon.

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 December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Philadelphia flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Philadelphia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2025.

The most flights from WAS to PHL are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

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.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

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).

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 May 1, 2025.
See what other customers who have flown with Delta, United Airlines and JetBlue 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.
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.3
Good
2,924 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Spirit Airlines
6.3
Okay
7,963 reviews
Delta
8.0
Very good
7,934 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • 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 12 inbound flights from Washington, D.C. per day.

  • 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 $157. Other airlines that can offer you cheap pricing are American Airlines, from $179, and United Airlines, from $179. These flights start at 47% 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 $111. However, be on the lookout for offers from Spirit Airlines and American 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 Washington, D.C. Reagan-National - Philadelphia or Baltimore/Washington - 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 (76%), Copa Airlines (75%) or GoJet (73%) 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 $306 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $110 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $179.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $236). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $295). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Vineland
Pottstown
Wildwood
King of Prussia
Reading
Cherry Hill
Exton
Ocean City
Essington
Chester
Middletown
Willow Grove
Newark
Millville
Ephrata
Camden
Dewey Beach
West Chester
Malvern
Dover

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to John F Kennedy Intl flights
Reagan-National to John F Kennedy Intl flights
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Reagan-National to Allentown flights
Reagan-National to Elmira flights
Reagan-National to Erie flights
Reagan-National to Harrisburg flights
Reagan-National to Williamsport flights

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

Discover the top 2 airlines that operate flights from Washington, D.C. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$314FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$304FlexibilityNo cancel feeOn-time69%

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