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Washington, D.C.

$71+ Cheap flights from Philadelphia (PHL) to Washington, D.C. (WAS)

PHL — WAS
Dec 8 — Dec 151
Tue 12/8
Tue 12/15
1 adult, Economy
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Cheap flight deals from Philadelphia to Washington, D.C.

Cheapest flights from Philadelphia to Washington, D.C.

Tue 12/86:31 pm -
1 stop16h 40m
Tue 12/1512:06 pm -
1 stop9h 01m
Deal found 11/8$121
Wed 12/24:38 pm -
1 stop22h 10m
Wed 12/912:06 pm -
1 stop11h 05m
Deal found 11/4$146
Tue 12/18:33 pm -
2 stops18h 16m
Thu 12/310:22 pm -
1 stop14h 45m
Deal found 11/4$206
Fri 12/1812:41 pm -
2 stops12h 10m
Mon 1/410:59 pm -
1 stop14h 12m
Deal found 11/6$249
Wed 11/259:32 pm -
2 stops17h 31m
Tue 12/110:33 pm -
1 stop14h 34m
Deal found 11/3$250
Mon 12/146:31 pm -
1 stop16h 40m
Fri 12/1810:59 pm -
2 stops23h 56m
Deal found 11/5$254
Sat 12/125:20 pm -
1 stop6h 04m
Tue 12/1511:20 am -
1 stop7h 23m
Deal found 11/3$291
Wed 11/258:00 am -
1 stop8h 58m
Tue 12/17:39 am -
1 stop9h 13m
Deal found 11/3$304
Sat 11/288:40 pm -
Nonstop1h 08m
Sun 11/291:44 pm -
Nonstop1h 14m
Deal found 11/7$318
Fri 11/209:10 am -
1 stop8h 45m
Fri 11/274:46 pm -
1 stop7h 03m
Deal found 11/5$319
Thu 11/2610:53 am -
Nonstop1h 12m
Sun 11/295:20 pm -
Nonstop1h 11m
Deal found 11/3$320
Wed 11/253:59 pm -
Nonstop1h 20m
Tue 12/12:57 pm -
1 stop4h 17m
Deal found 11/3$329

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$146
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$204

Good round-trip deal

$368 or less

Good one-way deal

$288 or less
Provider with most accurate pricing for Philadelphia-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Washington, D.C. (WAS) flights.
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From Philadelphia to Washington, D.C. (WAS)
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One-way flight from Philadelphia to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 27% potential increase in price ($148 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Philadelphia to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Philadelphia to Washington, D.C. (WAS).
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaWashington, D.C.

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

PHLIAD

Philadelphia

Fri 12/11

6:31 pm-2:49 pm

1 stop20h 18m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$74

PhiladelphiaWashington, D.C.

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

PHLIAD

Philadelphia

Sat 2/6

6:37 pm-12:19 am

1 stop5h 42m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$94

PhiladelphiaWashington, D.C.

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

PHLIAD

Philadelphia

Fri 12/11

7:05 pm-2:49 pm

2 stops19h 44m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$102

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Sat 12/5

5:20 pm-11:24 pm

1 stop6h 04m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Sat 2/6

5:10 pm-11:25 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Fri 12/11

9:30 am-3:51 pm

1 stop6h 21m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Sun 12/20

9:29 am-1:28 pm

1 stop3h 59m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$146

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Fri 12/11

6:31 pm-12:55 pm

2 stops18h 24m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$158

PhiladelphiaWashington, D.C.

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

PHLIAD

Philadelphia

Sat 11/21

2:20 pm-10:02 pm

1 stop7h 42m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$160

PhiladelphiaWashington, D.C.

PHL Philadelphia - DCA Washington, D.C. Reagan-National

PHLDCA

Philadelphia

Sat 2/6

6:37 pm-9:59 pm

2 stops27h 22m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 37 resultsSorted by cheapest first
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Compare providers for flights from Philadelphia to Washington, D.C.

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Philadelphia-Washington, D.C. flight deals on Cheapflights vs. FlightHub >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 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 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

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, February is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $200). Flying from Philadelphia to Washington, D.C. in May is currently the most expensive (average of $605). 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?

It’s typically best to fly out from Philadelphia to Washington, D.C. in the morning. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

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

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

How much does it cost to fly round-trip from Philadelphia to Washington, D.C.?

Airfare is below average for this route at the moment.
Philadelphia to Washington, D.C. flights typically cost between $204 and $232 in December.
The cheapest round-trip price found within the last 5 days was $121 on Frontier (Dec 8-Dec 15).

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

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

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

Mark Chesnut

Expert on PHL

Mark Chesnut is a travel writer and public speaker with more than 30 years of experience. The 2019 winner of the NLGJA Excellence in Travel Writing Award, Mark is the author of the book “Prepare for Departure” and has covered air travel for multiple top consumer and trade media outlets.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

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

Read more

Reviews of airlines servicing Washington, D.C.

Peruse reviews from past customers who have flown with United 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
7.3
Good
10,469 reviews

Overall

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.3
Good
10,469 reviews
United Airlines
7.3
Good
10,469 reviews

Overall

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • 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 11 outbound flights to Washington, D.C. per day.

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

    Airlines like Frontier, JetBlue, and American Airlines fly from Philadelphia to Washington, D.C. in about 1h 12m. The time it takes to get you to your destination can typically vary by up to 20h 58m. 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 $179. Another airline that can offer you cheap pricing is United Airlines. American Airlines is currently priced 53% 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 - Baltimore/Washington or Philadelphia - Washington, D.C. Reagan-National.

  • 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: Republic Airways (100%), ANA (94%), Air China (88%).

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

    On average you can expect to pay $941 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $188 while the most popular route, (Philadelphia - Washington, D.C. Dulles Intl) is currently priced at $250.

  • 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, February is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $200). Flying from Philadelphia to Washington, D.C. in May is currently the most expensive (average of $605). 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
Arlington
Lanham
Reston
Herndon
Hyattsville
Springfield
Fredericksburg
Falls Church
Towson
Silver Spring
Rockville
Oxon Hill
Laurel
Clinton
Hunt Valley
Owings Mills
Waldorf
Colonial Beach

Browse thousands of different options on Cheapflights for your next trip

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

AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$552FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$206Average$489FlexibilityNo cancel feeOn-time69%

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