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 $170. Other airlines that can offer you cheap pricing are United Airlines, from $170, and Southwest, from $180. American Airlines is currently priced 41% 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 American Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $90 and $93 on United Airlines and Frontier, 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. Reagan-National. You may also consider Philadelphia - Washington, D.C. Dulles Intl or Philadelphia - Baltimore/Washington.

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

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Washington, D.C.. Check prices with Cheapflights to find a great deal for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, November can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Philadelphia in November are about $290 on average during November, but can be found for as low as $179.

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.

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

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.

$90+ Flights from Philadelphia to Washington, D.C.

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$170 (American Airlines)
One-way from	$90 (American Airlines)
Popular in	December
Cheapest in	November
Average price	$333
Good round-trip deal	$372 or less
Good one-way deal	$227 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)

Search Deals

One-way flight from Philadelphia to Washington, D.C. (WAS)

Search Deals

High demand for flights, 8% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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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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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 April 11, 2025.

Wed 5/76:00 amPHL - DCA

Nonstop1h 00mAmerican Airlines

Wed 5/1410:15 pmDCA - PHL

Nonstop1h 16mAmerican Airlines

Deal found 4/9

$161

Wed 5/76:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Wed 5/148:35 amIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 4/9

$161

Tue 6/105:55 amPHL - DCA

1 stop6h 45mSouthwest

Wed 6/113:55 pmDCA - PHL

1 stop6h 50mSouthwest

Deal found 4/9

$180

Thu 5/86:00 amPHL - DCA

1 stop7h 00mJetBlue

Mon 5/124:15 pmDCA - PHL

1 stop6h 06mJetBlue

Deal found 4/9

$201

Wed 5/77:00 amPHL - BWI

1 stop7h 33mSpirit Airlines

Thu 5/85:55 amBWI - PHL

1 stop12h 27mSpirit Airlines

Deal found 4/10

$217

Wed 5/76:30 amPHL - DCA

1 stop6h 26mUnited Airlines

Thu 5/86:25 amDCA - PHL

1 stop5h 28mUnited Airlines

Deal found 4/9

$250

Thu 5/17:08 amPHL - DCA

1 stop4h 33mAlaska Airlines

Mon 5/56:17 amDCA - PHL

Nonstop0h 59mAlaska Airlines

Deal found 4/9

$314

Fri 6/65:35 pmPHL - IAD

1 stop6h 24mAmerican Airlines

Thu 7/246:35 amIAD - PHL

1 stop4h 02mAmerican Airlines

Deal found 4/9

$319

Thu 5/812:23 pmPHL - IAD

3 stops32h 34mMultiple Airlines

Thu 5/158:25 amIAD - PHL

3 stops30h 37mMultiple Airlines

Deal found 4/8

$363

Thu 5/89:45 amPHL - BWI

1 stop13h 32mUnited Airlines

Thu 5/156:45 amBWI - PHL

1 stop17h 59mUnited Airlines

Deal found 4/9

$613

Tue 6/106:00 amPHL - DCA

2 stops15h 23mDelta

Wed 6/117:55 amDCA - PHL

2 stops15h 15mDelta

Deal found 4/9

$630

Sat 4/196:57 amPHL - BWI

1 stop11h 53mMultiple Airlines

Sat 4/199:32 pmBWI - PHL

2 stops19h 23mMultiple Airlines

Deal found 4/10

$684

Best flights from Philadelphia to Washington, D.C.
Discover carefully curated flight deals from Philadelphia to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Wed 5/76:46 pmPHL - DCA

Nonstop1h 13mAmerican Airlines

Thu 5/83:54 pmDCA - PHL

Nonstop1h 05mAmerican Airlines

Deal found 4/10

$170

Wed 5/76:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Thu 5/88:35 amIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 4/10

$170

Tue 6/1010:05 amPHL - DCA

1 stop8h 15mSouthwest

Wed 6/113:55 pmDCA - PHL

1 stop6h 50mSouthwest

Deal found 4/10

$180

Thu 5/86:00 amPHL - DCA

1 stop6h 00mJetBlue

Mon 5/125:40 pmDCA - PHL

1 stop4h 41mJetBlue

Deal found 4/10

$201

Wed 5/77:00 amPHL - BWI

1 stop7h 33mSpirit Airlines

Thu 5/85:55 amBWI - PHL

1 stop12h 27mSpirit Airlines

Deal found 4/10

$217

Thu 5/157:12 pmPHL - IAD

2 stops25h 45mMultiple Airlines

Mon 5/195:40 pmIAD - PHL

3 stops29h 03mMultiple Airlines

Deal found 4/11

$355

Wed 5/710:06 amPHL - DCA

1 stop5h 35mUnited Airlines

Thu 5/86:25 amDCA - PHL

1 stop5h 28mUnited Airlines

Deal found 4/10

$250

Thu 4/2410:34 amPHL - IAD

1 stop5h 48mAmerican Airlines

Sun 4/275:00 amIAD - PHL

1 stop4h 44mAmerican Airlines

Deal found 4/10

$269

Thu 5/89:45 amPHL - BWI

1 stop13h 32mUnited Airlines

Thu 5/156:45 amBWI - PHL

1 stop17h 59mUnited Airlines

Deal found 4/9

$613

Last-minute flights from Philadelphia to Washington, D.C.
Discover last-minute flight deals from Philadelphia to Washington, D.C.. Data last updated April 11, 2025 and is based on user searches.

Thu 4/175:45 amPHL - DCA

Nonstop1h 04mAmerican Airlines

Sun 4/203:54 pmDCA - PHL

Nonstop1h 02mAmerican Airlines

Deal found 4/9

$259

Fri 4/186:41 amPHL - DCA

1 stop7h 30mUnited Airlines

Sun 4/207:25 amDCA - PHL

1 stop6h 53mUnited Airlines

Deal found 4/10

$452

Sat 4/196:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Mon 4/218:40 amIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 4/10

$259

Sat 4/1911:53 amPHL - BWI

2 stops13h 06mSpirit Airlines

Mon 4/219:32 pmBWI - PHL

2 stops34h 38mSpirit Airlines

Deal found 4/10

$426

Sat 4/195:51 pmPHL - IAD

3 stops37h 14mMultiple Airlines

Mon 4/2111:37 amIAD - PHL

2 stops12h 32mMultiple Airlines

Deal found 4/10

$607

Sat 4/196:57 amPHL - BWI

1 stop11h 53mMultiple Airlines

Sat 4/199:32 pmBWI - PHL

2 stops19h 23mMultiple Airlines

Deal found 4/10

$684

Sat 4/198:35 amPHL - IAD

1 stop5h 07mAmerican Airlines

Sat 4/198:14 pmIAD - PHL

1 stop13h 30mAmerican Airlines

Deal found 4/10

$696

Thu 4/2410:34 amPHL - IAD

1 stop5h 48mAmerican Airlines

Sun 4/275:00 amIAD - PHL

1 stop4h 44mAmerican Airlines

Deal found 4/10

$269

Wed 5/76:46 pmPHL - DCA

Nonstop1h 13mAmerican Airlines

Thu 5/83:54 pmDCA - PHL

Nonstop1h 05mAmerican Airlines

Deal found 4/10

$170

Wed 5/76:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Thu 5/88:35 amIAD - PHL

Nonstop1h 10mUnited Airlines

Deal found 4/10

$170

Wed 5/77:00 amPHL - BWI

1 stop7h 33mSpirit Airlines

Thu 5/85:55 amBWI - PHL

1 stop12h 27mSpirit Airlines

Deal found 4/10

$217

Wed 5/710:06 amPHL - DCA

1 stop5h 35mUnited Airlines

Thu 5/86:25 amDCA - PHL

1 stop5h 28mUnited Airlines

Deal found 4/10

$250

One-way flights from Philadelphia to Washington, D.C.
Search for one-way flight options from Philadelphia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Thu 6/1210:30 amPHL - DCA

Nonstop1h 03mAmerican Airlines

Deal found 4/10

$90

Thu 5/16:15 amPHL - IAD

Nonstop1h 06mUnited Airlines

Deal found 4/10

$90

Sun 5/115:45 amPHL - BWI

1 stop14h 41mFrontier

Deal found 4/10

$93

Mon 5/197:06 amPHL - BWI

2 stops17h 11mSpirit Airlines

Deal found 4/10

$102

Thu 6/126:00 amPHL - DCA

1 stop5h 37mJetBlue

Deal found 4/10

$111

Wed 6/188:31 amPHL - DCA

1 stop8h 30mUnited Airlines

Deal found 4/10

$130

Thu 6/127:55 pmPHL - IAD

2 stops18h 28mMultiple Airlines

Deal found 4/10

$170

Thu 6/1212:06 pmPHL - IAD

1 stop24h 19mSun Country Air

Deal found 4/10

$253

Fri 4/185:10 pmPHL - IAD

1 stop6h 46mAmerican Airlines

Deal found 4/10

$399

Wed 4/236:53 pmPHL - IAD

1 stop12h 50mAlaska Airlines

Deal found 4/9

$512

Sun 4/208:00 amPHL - BWI

1 stop15h 30mUnited Airlines

Deal found 4/10

$589

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

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 5/7

6:46 pm-7:59 pm

Nonstop1h 13m

Washington, D.C. Reagan-National

Thu 5/8

3:54 pm-4:59 pm

Nonstop1h 05m

$170

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Wed 5/7

6:15 am-7:21 am

Nonstop1h 06m

Washington, D.C. Dulles Intl

Thu 5/8

8:35 am-9:45 am

Nonstop1h 10m

$170

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Tue 6/10

10:05 am-6:20 pm

1 stop8h 15m

Washington, D.C. Reagan-National

Wed 6/11

3:55 pm-10:45 pm

1 stop6h 50m

$180

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Thu 5/8

6:00 am-12:00 pm

1 stop6h 00m

Washington, D.C. Reagan-National

Mon 5/12

5:40 pm-10:21 pm

1 stop4h 41m

$201

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Wed 5/7

7:00 am-2:33 pm

1 stop7h 33m

Baltimore/Washington

Thu 5/8

5:55 am-6:22 pm

1 stop12h 27m

$217

PhiladelphiaWashington, D.C.

PHL - DCA

PHLDCA

Philadelphia

Wed 5/7

10:06 am-5:01 pm

1 stop6h 55m

Washington, D.C. Reagan-National

Thu 5/8

6:25 am-11:53 am

1 stop5h 28m

$250

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 4/24

10:34 am-4:22 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Sun 4/27

5:00 am-9:44 am

1 stop4h 44m

$269

PhiladelphiaWashington, D.C.

PHL - IAD

PHLIAD

Philadelphia

Thu 5/15

7:12 pm-8:57 pm

2 stops25h 45m

Washington, D.C. Dulles Intl

Mon 5/19

5:40 pm-10:43 pm

3 stops29h 03m

$355

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Thu 5/8

9:45 am-11:17 pm

1 stop13h 32m

Baltimore/Washington

Thu 5/15

6:45 am-12:44 am

1 stop17h 59m

$613

PhiladelphiaBaltimore

PHL - BWI

PHLBWI

Philadelphia

Sat 4/19

6:57 am-6:50 pm

1 stop11h 53m

Baltimore/Washington

Sat 4/19

9:32 pm-4:55 pm

2 stops19h 23m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 21 results

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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.

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

Airports

PHL

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

IAD

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

Our travel experts

Mark Chesnut

Expert on PHL

Ramsey Qubein

Expert on IAD

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 $241). Flying from Philadelphia to Washington, D.C. in March is currently the most expensive (average of $290). 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 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.?

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.

The most flights from PHL to WAS are scheduled on a Thursday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in Washington, D.C. 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

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 a feel of what it's like to fly with Alaska Airlines, Southwest 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.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

JetBlue

7.3

Good

2,924 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 15 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 $170. Other airlines that can offer you cheap pricing are United Airlines, from $170, and Southwest, from $180. American Airlines is currently priced 41% 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 American Airlines. According to our data, you can fly for as low as $90. Users have also found prices from $90 and $93 on United Airlines and Frontier, 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. Reagan-National. You may also consider Philadelphia - Washington, D.C. Dulles Intl or Philadelphia - Baltimore/Washington.
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 $241). Flying from Philadelphia to Washington, D.C. in March is currently the most expensive (average of $290). 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

Arlington

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Tysons

Springfield

Rockville

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Silver Spring

Falls Church

Laurel

Easton

Herndon

Bowie

Gettysburg

National Harbor

Oxon Hill

Reston

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Philadelphia to Washington, D.C.

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$159	Average$249	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$159	Average$279	FlexibilityNo cancel fee	On-time71%

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$90+ 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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Philadelphia to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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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 April 11, 2025.

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 April 11, 2025.

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

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 April.

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

Airports

PHL

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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.

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.?

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 April 11, 2025.

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.

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

Rainfall in Washington, D.C. by month

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

Temperature in Washington, D.C. by month

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

Reviews of airlines servicing Washington, D.C.

Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.

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.?

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

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

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

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

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

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

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

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Alternative routes for Philadelphia to Washington, D.C.

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

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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 April 11, 2025.