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Washington, D.C.

$83+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — WAS
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
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 May 5, 2026.

This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:44 pm
PHL
-
BWI
1 stop15h 31m
Multiple Airlines
Thu 6/47:27 pm
BWI
-
PHL
1 stop29h 17m
Multiple Airlines
Deal found 4/30$164
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/298:44 pm
PHL
-
BWI
1 stop15h 31m
Multiple Airlines
Fri 6/57:48 pm
BWI
-
PHL
1 stop28h 10m
Multiple Airlines
Deal found 4/30$171
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/48:10 am
PHL
-
BWI
1 stop28h 05m
Frontier
Thu 6/111:33 pm
BWI
-
PHL
1 stop11h 11m
Frontier
Deal found 5/4$182
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:44 pm
PHL
-
IAD
1 stop23h 06m
Multiple Airlines
Thu 6/47:45 am
IAD
-
PHL
2 stops40h 59m
Multiple Airlines
Deal found 4/30$190
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Tue 6/29:16 pm
PHL
-
IAD
1 stop19h 06m
Frontier
Tue 6/95:30 pm
IAD
-
PHL
1 stop21h 35m
Frontier
Deal found 5/4$207
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Mon 6/15:32 pm
PHL
-
IAD
2 stops22h 49m
Frontier
Mon 6/86:22 pm
IAD
-
PHL
1 stop21h 15m
Frontier
Deal found 5/4$209
This Super.com deal was found by Cheapflights users on 5/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/29:21 am
PHL
-
DCA
1 stop6h 22m
JetBlue
Tue 6/911:35 am
DCA
-
PHL
1 stop7h 15m
JetBlue
Deal found 5/4$212
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Sat 5/166:45 am
PHL
-
BWI
1 stop10h 22m
Multiple Airlines
Wed 5/206:30 am
BWI
-
PHL
1 stop16h 59m
Multiple Airlines
Deal found 5/1$213
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.
Tue 8/48:28 am
PHL
-
DCA
1 stop6h 02m
JetBlue
Tue 8/182:00 pm
DCA
-
PHL
1 stop6h 00m
JetBlue
Deal found 4/30$221
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:30 am
PHL
-
BWI
1 stop7h 59m
Frontier
Mon 6/11:10 pm
BWI
-
PHL
1 stop26h 32m
Frontier
Deal found 4/30$222
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.
Thu 5/286:45 am
PHL
-
BWI
1 stop16h 44m
Spirit Airlines
Thu 6/47:27 pm
BWI
-
PHL
1 stop13h 58m
Spirit Airlines
Deal found 4/30$227
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/286:26 pm
PHL
-
IAD
1 stop19h 52m
Multiple Airlines
Sun 5/317:45 am
IAD
-
PHL
2 stops29h 35m
Multiple Airlines
Deal found 5/3$227

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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$152
(Kiwi.com)

One-way from

$83
(Kiwi.com)

Popular in

February

Cheapest in

November

Average price

$249

Good round-trip deal

$541 or less

Good one-way deal

$348 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. 22% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 5, 2026.
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

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Fri 5/29

8:44 pm-12:15 pm

1 stop15h 31m

Baltimore/Washington

Fri 6/5

7:48 pm-11:58 pm

1 stop28h 10m

$171

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 5/28

8:44 pm-7:50 pm

1 stop23h 06m

Washington, D.C. Dulles Intl

Thu 6/4

7:45 am-12:44 am

2 stops40h 59m

$190

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 5/28

8:44 pm-12:15 pm

1 stop15h 31m

Baltimore/Washington

Thu 6/4

9:43 pm-12:44 am

2 stops27h 01m

$195

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 6/4

5:32 pm-4:22 pm

2 stops22h 50m

Baltimore/Washington

Thu 6/11

1:33 pm-12:44 am

1 stop11h 11m

$213

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 5/30

8:30 am-4:29 pm

1 stop7h 59m

Baltimore/Washington

Mon 6/1

1:10 pm-3:42 pm

1 stop26h 32m

$222

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 5/30

7:20 am-6:30 pm

2 stops11h 10m

Baltimore/Washington

Mon 6/1

7:48 pm-3:42 pm

1 stop19h 54m

$229

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 6/4

10:32 am-11:48 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Sun 6/7

8:35 am-9:45 am

Nonstop1h 10m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Fri 5/29

10:32 am-11:48 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Fri 6/5

10:34 pm-11:44 pm

Nonstop1h 10m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 6/2

7:45 pm-9:11 pm

Nonstop1h 26m

Washington, D.C. Dulles Intl

Tue 6/9

8:35 am-9:45 am

Nonstop1h 10m

$239

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 5/28

10:32 am-11:48 am

Nonstop1h 16m

Washington, D.C. Dulles Intl

Thu 6/4

10:34 pm-11:44 pm

Nonstop1h 10m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust 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
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, October is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $144). Flying from Philadelphia to Washington, D.C. in August is currently the most expensive (average of $199). 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 May 5, 2026.

It’s typically best to fly out from Philadelphia to Washington, D.C. in the morning. 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 May 2, 2026.

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

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

Explore weekly flight availability from Philadelphia to Washington, D.C.. 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 5, 2026.

The most flights from PHL to WAS are scheduled on a Tuesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

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

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
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.

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 May 5, 2026.
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
9,683 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,683 reviews
United Airlines
7.4
Good
9,683 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,667 reviews
United Airlines
7.4
Good
9,683 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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

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

    Airlines like Frontier, United Airlines, and American Airlines fly from Philadelphia to Washington, D.C. in about 1h 13m. The time it takes to get you to your destination can typically vary by up to 21h 37m. 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 39% 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: Mesa Airlines (100%), Air China (94%), United Airlines (86%).

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

    On average you can expect to pay $952 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $153 while the most popular route, (Philadelphia - Washington, D.C. Dulles Intl) is currently priced at $239.

  • 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, October is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $144). Flying from Philadelphia to Washington, D.C. in August is currently the most expensive (average of $199). 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
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$249FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$213Average$441FlexibilityNo cancel feeOn-time69%

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