Washington, D.C.

$102+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — WAS
May 6 — May 131
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1. Tell us where you want to go

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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$179
(American Airlines)

One-way from

$102
(Booking.com)

Popular in

December

Cheapest in

November

Average price

$288

Good round-trip deal

$352 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Philadelphia-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Philadelphia-Washington, D.C. (WAS) flights.
From Philadelphia to Washington, D.C. (WAS)
One-way flight from Philadelphia to Washington, D.C. (WAS)
High demand for flights, 8% potential price rise
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in May 2025
Price to beat on a round-trip flight from Philadelphia to Washington, D.C. (WAS).
Price to beat on a one-way flight from Philadelphia to Washington, D.C. (WAS).

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 May 1, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amPHL - DCA
Nonstop1h 00mAmerican Airlines
Wed 6/46:33 amDCA - PHL
Nonstop0h 57mAmerican Airlines
Deal found 4/30$179
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2710:35 amPHL - IAD
Nonstop1h 05mUnited Airlines
Tue 6/312:55 pmIAD - PHL
Nonstop1h 14mUnited Airlines
Deal found 4/29$179
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.
Wed 5/147:12 pmPHL - BWI
1 stop16h 34mSpirit Airlines
Sat 5/1712:51 pmBWI - PHL
1 stop18h 57mSpirit Airlines
Deal found 4/30$233
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:00 amPHL - DCA
1 stop7h 00mJetBlue
Thu 6/53:15 pmDCA - PHL
1 stop7h 14mJetBlue
Deal found 4/29$262
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/304:00 pmPHL - IAD
1 stop22h 44mMultiple Airlines
Sat 6/79:43 pmIAD - PHL
2 stops34h 05mMultiple Airlines
Deal found 4/28$269
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 5/147:12 pmPHL - BWI
1 stop16h 34mMultiple Airlines
Sun 5/189:25 amBWI - PHL
3 stops46h 23mMultiple Airlines
Deal found 4/29$287
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:00 amPHL - IAD
1 stop7h 22mAmerican Airlines
Tue 6/35:02 amIAD - PHL
1 stop6h 34mAmerican Airlines
Deal found 4/29$289
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/278:31 amPHL - BWI
1 stop13h 11mUnited Airlines
Tue 6/35:30 pmBWI - PHL
1 stop17h 07mUnited Airlines
Deal found 4/29$542
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1410:06 amPHL - DCA
1 stop5h 35mUnited Airlines
Sat 5/177:25 amDCA - PHL
2 stops16h 10mUnited Airlines
Deal found 4/29$681
This Alaska Airlines 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:53 pmPHL - IAD
1 stop12h 50mAlaska Airlines
Sun 5/410:00 amIAD - PHL
1 stop19h 44mAlaska Airlines
Deal found 4/30$2,120

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 1, 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

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 5/28

6:00 am-7:00 am

Nonstop1h 00m

Washington, D.C. Reagan-National

Wed 6/4

6:33 am-7:30 am

Nonstop0h 57m

$179

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Tue 5/27

10:35 am-11:40 am

Nonstop1h 05m

Washington, D.C. Dulles Intl

Tue 6/3

5:30 pm-6:45 pm

Nonstop1h 15m

$179

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/14

7:12 pm-11:46 am

1 stop16h 34m

Baltimore/Washington

Sat 5/17

12:51 pm-7:48 am

1 stop18h 57m

$233

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Thu 5/29

6:00 am-1:00 pm

1 stop7h 00m

Washington, D.C. Reagan-National

Thu 6/5

3:15 pm-10:29 pm

1 stop7h 14m

$262

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/14

7:12 pm-11:46 am

1 stop16h 34m

Baltimore/Washington

Sun 5/18

9:25 am-3:02 pm

2 stops29h 37m

$265

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 6/18

8:20 am-12:38 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Wed 6/25

6:55 am-10:38 am

1 stop3h 43m

$289

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 5/28

7:00 am-11:04 am

2 stops28h 04m

Washington, D.C. Dulles Intl

Wed 6/4

5:40 pm-10:43 pm

3 stops29h 03m

$349

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Tue 5/27

8:31 am-9:42 pm

1 stop13h 11m

Baltimore/Washington

Tue 6/3

5:30 pm-10:37 am

1 stop17h 07m

$542

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 5/14

10:06 am-3:41 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Sat 5/17

7:25 am-11:35 pm

2 stops16h 10m

$681

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/14

6:00 am-5:48 pm

1 stop11h 48m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 19 results
1
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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*2 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 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 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.

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 quick access, use the inter-terminal shuttle bus linking Terminal F, C, and A every 10 minutes, avoiding long walks.

Read more about PHLby Mark Chesnut
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap city connection.

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

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, August is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $309). Flying from Philadelphia to Washington, D.C. in June is currently the most expensive (average of $373). 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 1, 2025.

It’s typically best to fly out from Philadelphia to Washington, D.C. in the morning. Doing so could potentially save you 54% 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. Tuesday at noon 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 1, 2025.

The most flights from PHL to WAS 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 (5 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Philadelphia to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Comfort

7.9

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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. Other airlines that can offer you cheap pricing are United Airlines, from $179, and Spirit Airlines, from $233. American Airlines is currently priced 38% 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 Spirit Airlines. According to our data, you can fly for as low as $102. Users have also found prices from $111 and $187 on JetBlue and Delta, respectively.

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

  • 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: Air China (89%), ANA (87%), Ethiopian Air (86%).

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

    On average you can expect to pay $1,174 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 $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, August is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $309). Flying from Philadelphia to Washington, D.C. in June is currently the most expensive (average of $373). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Bowie
National Harbor
Oxon Hill
Reston

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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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$159Average$249FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$159Average$239FlexibilityNo cancel feeOn-time71%

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