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$87+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — PHL
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$143
(Mytrip)

One-way from

$87
(Booking.com)

Popular in

August

Cheapest in

December

Average price

$246

Good round-trip deal

$179 or less

Good one-way deal

$203 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 ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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.
Thu 5/86:20 amBWI - PHL
1 stop11h 37mSpirit Airlines
Sun 5/1112:53 pmPHL - BWI
1 stop11h 25mSpirit Airlines
Deal found 3/24$143
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Tue 4/156:30 amDCA - PHL
Nonstop0h 52mAmerican Airlines
Wed 4/3010:39 amPHL - DCA
Nonstop1h 07mAmerican Airlines
Deal found 3/23$179
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 5/88:35 amIAD - PHL
Nonstop1h 10mUnited Airlines
Sun 5/1110:44 amPHL - IAD
Nonstop1h 06mUnited Airlines
Deal found 3/24$179
This JetBlue deal was found by Cheapflights users on 3/23. 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.
Tue 4/159:00 amDCA - PHL
1 stop7h 52mJetBlue
Wed 4/309:26 amPHL - DCA
1 stop4h 49mJetBlue
Deal found 3/23$181
This Mytrip deal was found by Cheapflights users on 3/24. 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 4/238:25 amIAD - PHL
3 stops24h 36mMultiple Airlines
Wed 4/3011:15 amPHL - IAD
1 stop23h 20mMultiple Airlines
Deal found 3/24$279
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/234:52 pmIAD - PHL
1 stop5h 19mAmerican Airlines
Wed 4/305:10 pmPHL - IAD
1 stop6h 46mAmerican Airlines
Deal found 3/24$289
This Mytrip deal was found by Cheapflights users on 3/23. 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.
Thu 3/273:13 pmBWI - PHL
1 stop27h 04mMultiple Airlines
Sat 3/296:40 pmPHL - BWI
1 stop5h 32mMultiple Airlines
Deal found 3/23$349
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 3/278:30 amDCA - PHL
1 stop5h 41mUnited Airlines
Sat 3/296:00 amPHL - DCA
1 stop8h 09mUnited Airlines
Deal found 3/23$379
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/710:00 amBWI - PHL
1 stop13h 35mUnited Airlines
Fri 4/119:45 amPHL - BWI
1 stop13h 45mUnited Airlines
Deal found 3/23$680

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 March 25, 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

Thu 5/8

6:20 am-5:57 pm

1 stop11h 37m

Philadelphia

Sun 5/11

12:53 pm-12:18 am

1 stop11h 25m

$143

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 4/15

6:30 am-7:22 am

Nonstop0h 52m

Philadelphia

Wed 4/30

10:39 am-11:46 am

Nonstop1h 07m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 5/8

8:35 am-9:45 am

Nonstop1h 10m

Philadelphia

Sun 5/11

10:44 am-11:50 am

Nonstop1h 06m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 4/15

9:00 am-4:52 pm

1 stop7h 52m

Philadelphia

Wed 4/30

9:26 am-2:15 pm

1 stop4h 49m

$181

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 4/23

8:25 am-9:01 am

3 stops24h 36m

Philadelphia

Wed 4/30

11:15 am-10:35 am

1 stop23h 20m

$279

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Wed 4/23

4:52 pm-10:11 pm

1 stop5h 19m

Philadelphia

Wed 4/30

5:10 pm-11:56 pm

1 stop6h 46m

$289

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 3/27

8:30 am-2:11 pm

1 stop5h 41m

Philadelphia

Sat 3/29

6:00 am-2:09 pm

1 stop8h 09m

$379

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/7

10:00 am-11:35 pm

1 stop13h 35m

Philadelphia

Fri 4/11

9:45 am-11:30 pm

1 stop13h 45m

$680

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Mon 4/7

11:34 am-10:17 pm

1 stop10h 43m

$87

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 6/13

3:13 pm-9:45 am

2 stops18h 32m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 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 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.
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 March 25, 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 March 25, 2025.

The most flights from WAS to PHL are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 March 25, 2025.
See what other customers who have flown with United Airlines, JetBlue 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
8,605 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,605 reviews
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
JetBlue
7.3
Good
2,924 reviews
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
Spirit Airlines
6.3
Okay
7,878 reviews
United Airlines
7.4
Good
8,605 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Entertainment

7.0

Food

6.6

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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 16 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 $143. Other airlines that can offer you cheap pricing are American Airlines, from $179, and United Airlines, from $179. These flights start at 52% 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 Spirit Airlines, with whom users have recently found tickets for as low as $87. However, be on the lookout for offers from JetBlue 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 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 (87%), Air China (87%) or GoJet (84%) 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 $466 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $209 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
King of Prussia
Vineland
Pottstown
Wildwood
Reading
Exton
Ocean City
Cherry Hill
Essington
Chester
Willow Grove
Newark
Middletown
Millville
Ephrata
Wyomissing
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.
Reagan-National to John F Kennedy Intl flights
Dulles Intl to John F Kennedy Intl flights
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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$294FlexibilityNo cancel feeOn-time69%
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