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Washington, D.C.

$63+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — WAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 12/313:35 pmPHL - DCA
Nonstop1h 00mAmerican Airlines
Wed 1/141:44 pmDCA - PHL
Nonstop1h 06mAmerican Airlines
Deal found 12/16$194
This Priceline deal was found by Cheapflights users on 12/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:32 pmPHL - DCA
1 stop6h 14mJetBlue
Wed 1/1411:55 amDCA - PHL
1 stop6h 28mJetBlue
Deal found 12/16$199
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/3110:39 amPHL - IAD
Nonstop1h 16mUnited Airlines
Sun 1/48:40 amIAD - PHL
Nonstop1h 15mUnited Airlines
Deal found 12/16$209
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/243:35 pmPHL - DCA
Nonstop1h 00mAmerican Airlines
Tue 12/301:44 pmDCA - PHL
Nonstop1h 00mAmerican Airlines
Deal found 12/16$224
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2410:39 amPHL - IAD
Nonstop1h 16mUnited Airlines
Tue 12/3010:20 pmIAD - PHL
Nonstop1h 10mUnited Airlines
Deal found 12/16$224
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:26 pmPHL - DCA
Nonstop1h 10mAmerican Airlines
Sun 12/281:44 pmDCA - PHL
Nonstop1h 00mAmerican Airlines
Deal found 12/15$239
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 amPHL - BWI
2 stops28h 55mFrontier
Tue 12/305:36 pmBWI - PHL
1 stop4h 35mFrontier
Deal found 12/16$261
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:00 amPHL - BWI
2 stops14h 48mMultiple Airlines
Sun 1/45:56 pmBWI - PHL
1 stop25h 13mMultiple Airlines
Deal found 12/16$271
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:40 amPHL - DCA
1 stop5h 20mJetBlue
Tue 12/308:54 pmDCA - PHL
1 stop11h 01mJetBlue
Deal found 12/16$290
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/246:00 amPHL - IAD
2 stops29h 38mFrontier
Tue 12/309:58 pmIAD - PHL
1 stop26h 42mFrontier
Deal found 12/16$294
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:39 amPHL - IAD
Nonstop1h 16mUnited Airlines
Sat 12/278:40 amIAD - PHL
Nonstop1h 15mUnited Airlines
Deal found 12/17$299
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:00 amPHL - IAD
2 stops31h 25mMultiple Airlines
Sun 1/49:58 pmIAD - PHL
1 stop10h 39mMultiple Airlines
Deal found 12/16$303

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$133
(Kiwi.com)

One-way from

$63
(Trip.com)

Popular in

April

Cheapest in

November

Average price

$249

Good round-trip deal

$337 or less

Good one-way deal

$203 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 ($39 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 December 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 December 18, 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

Thu 1/8

6:00 am-4:30 pm

1 stop10h 30m

Baltimore/Washington

Sun 1/11

5:25 pm-8:47 am

1 stop15h 22m

$128

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 1/14

3:45 pm-12:31 am

1 stop8h 46m

Baltimore/Washington

Wed 1/21

8:00 am-9:59 am

1 stop25h 59m

$133

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 1/14

2:00 pm-10:36 pm

1 stop8h 36m

Baltimore/Washington

Thu 1/15

1:54 pm-10:50 pm

1 stop8h 56m

$134

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 1/13

8:43 pm-10:36 pm

1 stop25h 53m

Baltimore/Washington

Tue 1/20

11:30 am-10:37 am

1 stop23h 07m

$134

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 1/8

6:00 am-4:30 pm

1 stop10h 30m

Baltimore/Washington

Sun 1/11

1:02 pm-8:37 am

1 stop19h 35m

$144

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 1/13

8:40 am-2:29 pm

1 stop5h 49m

Washington, D.C. Reagan-National

Tue 1/20

11:55 am-6:23 pm

1 stop6h 28m

$151

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Mon 2/2

1:30 pm-6:49 pm

1 stop5h 19m

Washington, D.C. Reagan-National

Thu 2/5

11:55 am-6:23 pm

1 stop6h 28m

$151

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 1/14

8:40 am-2:29 pm

1 stop5h 49m

Washington, D.C. Reagan-National

Wed 1/21

11:55 am-6:23 pm

1 stop6h 28m

$151

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 1/14

3:45 pm-12:31 am

1 stop8h 46m

Baltimore/Washington

Mon 1/19

9:58 pm-11:14 am

2 stops37h 16m

$153

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 1/14

2:00 pm-10:36 pm

1 stop8h 36m

Baltimore/Washington

Mon 1/19

9:55 am-12:13 am

1 stop14h 18m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 59 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 December.
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 $119). 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 December 18, 2025.

It’s typically best to fly out from Philadelphia to Washington, D.C. in the morning. Doing so could potentially save you 26% 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 at noon 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your 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 December 18, 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
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
American Airlines
7.2
Good
11,054 reviews
United Airlines
7.4
Good
9,091 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 6 outbound flights to Washington, D.C. per day.

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

    Airlines like Frontier, JetBlue, and United Airlines fly from Philadelphia to Washington, D.C. in about 1h 18m. The time it takes to get you to your destination can typically vary by up to 7h 28m. Airlines will cover a distance of 134 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 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: ANA (100%), Mesa Airlines (100%), GoJet (92%).

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

    On average you can expect to pay $1,130 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $198 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 $119). 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
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

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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.
LaGuardia to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Newark to Dulles Intl flights
Newark to Reagan-National flights
LaGuardia to Dulles Intl 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
Harrisburg to Dulles Intl flights
Scranton to Reagan-National flights
State College to Reagan-National flights
Harrisburg to Reagan-National flights
Allentown to Dulles Intl flights
Elmira to Reagan-National flights
Allentown to Reagan-National flights
Erie to Dulles Intl flights
Erie 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$159Average$221FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$360FlexibilityNo cancel feeOn-time69%

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