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Washington, D.C.

$76+ Cheap flights from Philadelphia (PHL) to Washington, D.C. (WAS)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — WAS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Philadelphia to Washington, D.C.

Cheapest flights from Philadelphia to Washington, D.C.
Explore the most affordable flight options available from Philadelphia to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sat 12/64:00 pmPHL - BWI
1 stop7h 45mSpirit Airlines
Fri 12/1210:40 amBWI - PHL
1 stop12h 54mSpirit Airlines
Deal found 10/30$155
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Thu 11/136:24 pmPHL - IAD
1 stop19h 54mFrontier
Mon 11/178:37 pmIAD - PHL
1 stop17h 40mFrontier
Deal found 10/28$155
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:52 pmPHL - IAD
1 stop11h 07mFrontier
Thu 12/49:21 amIAD - PHL
1 stop14h 41mFrontier
Deal found 10/30$157
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2712:52 pmPHL - BWI
1 stop11h 06mFrontier
Thu 12/44:38 pmBWI - PHL
1 stop7h 58mFrontier
Deal found 10/30$163
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:15 amPHL - IAD
1 stop13h 36mMultiple Airlines
Mon 11/178:37 pmIAD - PHL
1 stop17h 40mMultiple Airlines
Deal found 10/29$163
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amPHL - BWI
1 stop9h 47mSpirit Airlines
Mon 11/179:36 pmBWI - PHL
1 stop16h 39mSpirit Airlines
Deal found 10/29$165
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Sat 12/64:00 pmPHL - BWI
1 stop7h 45mSpirit Airlines
Sun 12/77:06 pmBWI - PHL
1 stop14h 11mSpirit Airlines
Deal found 10/30$166
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:24 pmPHL - IAD
1 stop19h 54mMultiple Airlines
Tue 11/188:40 amIAD - PHL
2 stops14h 46mMultiple Airlines
Deal found 10/29$169
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:39 pmPHL - BWI
1 stop9h 10mMultiple Airlines
Mon 11/179:36 pmBWI - PHL
1 stop25h 50mMultiple Airlines
Deal found 10/29$173
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/177:50 pmPHL - DCA
Nonstop1h 08mAmerican Airlines
Tue 2/104:43 pmDCA - PHL
Nonstop1h 06mAmerican Airlines
Deal found 10/27$179
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/57:49 pmPHL - DCA
Nonstop1h 09mAmerican Airlines
Sun 12/71:41 pmDCA - PHL
Nonstop1h 08mAmerican Airlines
Deal found 10/30$181
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 11/276:00 amPHL - BWI
2 stops17h 17mSpirit Airlines
Thu 12/47:06 pmBWI - PHL
1 stop14h 11mSpirit Airlines
Deal found 10/30$189

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

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Washington, D.C. (WAS). 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$121
(Kiwi.com)

One-way from

$76
(Kiwi.com)

Popular in

April

Cheapest in

May

Average price

$249

Good round-trip deal

$308 or less

Good one-way deal

$283 or less
Provider with most accurate pricing for Philadelphia-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Washington, D.C. (WAS) flights.
Search Deals
From Philadelphia to Washington, D.C. (WAS)
Search Deals
One-way flight from Philadelphia to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Philadelphia to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Washington, D.C. 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 October 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Washington, D.C. that are best for you.

Fly from

Philadelphia

Fly to

Washington, D.C.

Route

Depart

Return

Price

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 2/1

10:00 pm-7:47 am

1 stop9h 47m

Baltimore/Washington

Fri 2/6

9:11 pm-10:31 am

1 stop13h 20m

$121

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 2/1

10:00 pm-7:47 am

1 stop9h 47m

Baltimore/Washington

Thu 2/5

9:37 pm-8:37 am

1 stop11h 00m

$126

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 1/31

8:00 pm-7:47 am

1 stop11h 47m

Baltimore/Washington

Thu 2/5

9:37 pm-8:37 am

1 stop11h 00m

$126

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 2/2

10:00 pm-8:50 am

1 stop10h 50m

Baltimore/Washington

Thu 2/5

9:37 pm-8:37 am

1 stop11h 00m

$128

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 2/2

10:00 pm-8:50 am

1 stop10h 50m

Baltimore/Washington

Wed 2/4

9:37 pm-8:37 am

1 stop11h 00m

$128

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 1/26

10:00 pm-8:50 am

1 stop10h 50m

Baltimore/Washington

Fri 1/30

8:42 am-12:40 am

1 stop15h 58m

$129

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sun 1/25

5:40 pm-8:56 am

1 stop15h 16m

Baltimore/Washington

Wed 1/28

9:37 pm-8:37 am

1 stop11h 00m

$138

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 12/6

4:00 pm-11:45 pm

1 stop7h 45m

Baltimore/Washington

Fri 12/12

10:40 am-11:34 pm

1 stop12h 54m

$155

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 11/13

6:24 pm-2:18 pm

1 stop19h 54m

Washington, D.C. Dulles Intl

Mon 11/17

8:37 pm-2:17 pm

1 stop17h 40m

$155

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Mon 1/26

2:09 pm-12:24 am

2 stops10h 15m

Baltimore/Washington

Fri 1/30

8:42 am-12:40 am

1 stop15h 58m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 56 results
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Compare providers for flights from Philadelphia to Washington, D.C.

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 Philadelphia to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Philadelphia-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Philadelphia-Washington, D.C. flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Philadelphia-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Washington, D.C. 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 Philadelphia-Washington, D.C. 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 Philadelphia to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Philadelphia 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 Philadelphia to Washington, D.C.

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

Currently, March is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $48). Flying from Philadelphia to Washington, D.C. in January is currently the most expensive (average of $197). 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 PHL to WAS?

Find hourly flight availability from Philadelphia to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Philadelphia to Washington, D.C. in the afternoon. Doing so could potentially save you 28% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Washington, D.C.. Price data was last updated on December 16, 2024.

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

The best insider tips for Philadelphia to Washington, D.C. flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Philadelphia to Washington, D.C. trip
Airports
PHL

For efficient parking, choose the facility across from your terminal. Long-term and economy lots are cheaper with free shuttle service.

Read more about PHLby Mark Chesnut
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cost-effective way to the city.

Read more about IADby Ramsey Qubein
Our travel experts
Mark Chesnut

Mark Chesnut

Expert on PHL

Mark Chesnut

Mark Chesnut

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
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

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.

Read more

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Philadelphia to Washington, D.C. to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Washington, D.C.. 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 from for flights from Philadelphia to Washington, D.C.?

    Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Philadelphia to Washington, D.C.. 2 airlines have flights from Philadelphia to Washington, D.C. on a regular basis. Booking flights from Philadelphia to Washington, D.C. should not be difficult; the airport handles an average of 5 outbound flights to Washington, D.C. per day.

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

    Airlines like Frontier, American Airlines, and United Airlines fly from Philadelphia to Washington, D.C. in about 1h 08m. The time it takes to get you to your destination can typically vary by up to 8h 39m. Airlines will cover a distance of 119 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Philadelphia to Washington, D.C. round-trip from $159. Another airline that can offer you cheap pricing is United Airlines. American Airlines is currently priced 37% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $76. Users have also found prices from $79 and $116 on Spirit Airlines and JetBlue, respectively.

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

    The most popular route from Philadelphia to Washington, D.C. is Philadelphia - Washington, D.C. Dulles Intl. You may also consider Philadelphia - Washington, D.C. Reagan-National or Philadelphia - Baltimore/Washington.

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

    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 Philadelphia to Washington, D.C. on time: CommutAir (100%), Mesa Airlines (100%), Air China (100%).

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

    On average you can expect to pay $937 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $179 while the most popular route, (Philadelphia - Washington, D.C. Dulles Intl) is currently priced at $179.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Washington, D.C. 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 Philadelphia to Washington, D.C.?

    Currently, March is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $48). Flying from Philadelphia to Washington, D.C. in January is currently the most expensive (average of $197). 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
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf
Bowie

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Alternative routes for Philadelphia to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
LaGuardia to Reagan-National flights
Newark to Dulles Intl flights
LaGuardia to Dulles Intl flights
Newark to Reagan-National flights
Pittsburgh to Dulles Intl flights
Pittsburgh to Reagan-National flights
Philadelphia to Dulles Intl flights
Philadelphia to Reagan-National flights
Scranton to Dulles Intl flights
State College to Dulles Intl flights
Allentown to Dulles Intl flights
Allentown to Reagan-National flights
Harrisburg to Dulles Intl flights
Harrisburg to Reagan-National flights
Erie to Reagan-National flights
Scranton to Reagan-National flights
Erie to Dulles Intl flights
State College to Reagan-National flights
Elmira to Reagan-National flights

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

Discover the top 2 airlines that operate flights from Philadelphia to Washington, D.C.. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$159Average$221FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$356FlexibilityNo cancel feeOn-time69%

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