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

Airlines like Frontier, American Airlines, and United Airlines fly from Philadelphia to Washington, D.C. in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 6h 34m. 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 $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.

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.

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).

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 cheapest flights from Philadelphia to Washington, D.C.?

On average you can expect to pay $658 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $176 while the most popular route, (Philadelphia - Washington, D.C. Dulles Intl) is currently priced at $289.

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 (94%), Air China (88%), Republic Airways (88%).

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 12 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.

$57+ Cheap Flights from Philadelphia to Washington, D.C.

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

Cheapest

Best

Last-minute

One-way

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 October 8, 2026.

Tue 11/38:30 am -

1 stop15h 13m

Tue 11/106:07 pm -

1 stop13h 14m

Deal found 10/6

$120

Tue 11/38:30 am -

1 stop8h 42m

Mon 11/99:06 pm -

1 stop26h 10m

Deal found 10/6

$129

Wed 11/48:30 am -

1 stop7h 44m

Wed 11/1110:41 am -

1 stop12h 35m

Deal found 10/6

$139

Wed 11/412:36 pm -

1 stop11h 07m

Wed 11/117:48 am -

1 stop15h 28m

Deal found 10/7

$139

Tue 11/38:30 am -

1 stop7h 44m

Tue 11/1010:41 am -

1 stop12h 35m

Deal found 10/6

$152

Tue 10/278:30 am -

1 stop8h 42m

Tue 11/36:07 pm -

1 stop24h 12m

Deal found 10/5

$153

Mon 11/25:22 pm -

1 stop6h 21m

Mon 11/99:06 pm -

1 stop26h 10m

Deal found 10/5

$154

Thu 10/298:30 am -

1 stop8h 42m

Tue 11/106:07 pm -

1 stop13h 14m

Deal found 10/5

$156

Thu 10/298:30 am -

1 stop8h 14m

Tue 11/108:41 pm -

1 stop10h 40m

Deal found 10/5

$161

Mon 11/98:30 am -

1 stop25h 16m

Wed 11/115:45 am -

1 stop17h 31m

Deal found 10/8

$163

Thu 10/2912:36 pm -

1 stop11h 57m

Sun 11/15:40 am -

1 stop25h 41m

Deal found 10/7

$168

Fri 11/135:14 pm -

1 stop7h 19m

Tue 11/178:41 pm -

1 stop10h 40m

Deal found 10/7

$173

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 October 8, 2026.

Tue 11/38:30 am -

1 stop7h 44m

Tue 11/1012:38 pm -

2 stops10h 38m

Deal found 10/6

$198

Thu 10/295:15 am -

1 stop12h 18m

Sun 11/19:59 pm -

1 stop19h 54m

Deal found 10/7

$246

Sat 10/318:47 pm -

Nonstop1h 12m

Mon 11/21:42 pm -

Nonstop1h 13m

Deal found 10/6

$289

Sun 11/110:30 am -

Nonstop1h 10m

Sun 11/810:15 pm -

Nonstop1h 15m

Deal found 10/4

$289

Wed 10/286:30 am -

1 stop4h 40m

Wed 10/284:49 pm -

1 stop6h 54m

Deal found 10/7

$291

Thu 10/2912:36 pm -

1 stop11h 57m

Fri 10/309:12 pm -

1 stop10h 09m

Deal found 10/6

$203

Thu 10/298:30 am -

1 stop8h 14m

Sun 11/15:40 am -

1 stop12h 39m

Deal found 10/8

$262

Sat 10/246:15 am -

Nonstop1h 16m

Sun 10/258:36 am -

Nonstop1h 13m

Deal found 10/3

$289

Thu 10/298:47 pm -

Nonstop1h 12m

Sun 11/15:10 pm -

Nonstop1h 14m

Deal found 10/7

$291

Fri 11/1310:30 am -

Nonstop1h 10m

Sun 11/158:36 am -

Nonstop1h 13m

Deal found 10/8

$289

Tue 10/2010:22 am -

1 stop5h 37m

Sat 10/244:50 pm -

1 stop6h 56m

Deal found 10/3

$319

Tue 10/205:22 pm -

1 stop16h 05m

Fri 10/236:24 am -

1 stop16h 47m

Deal found 10/7

$270

Wed 11/257:36 pm -

Nonstop1h 08m

Wed 12/27:00 am -

1 stop4h 30m

Deal found 10/5

$299

Tue 11/37:40 pm -

Nonstop1h 13m

Mon 11/91:00 pm -

Nonstop1h 16m

Deal found 10/6

$289

Wed 11/41:53 pm -

1 stop4h 32m

Wed 11/115:10 pm -

Nonstop1h 14m

Deal found 10/7

$299

Thu 11/192:36 pm -

1 stop9h 57m

Sun 11/226:57 pm -

2 stops29h 33m

Deal found 10/8

$281

Tue 11/38:10 am -

1 stop3h 56m

Mon 11/95:10 pm -

Nonstop1h 14m

Deal found 10/6

$299

Thu 10/2210:40 am -

Nonstop1h 09m

Sun 10/258:36 am -

Nonstop1h 13m

Deal found 10/4

$304

Tue 10/2012:30 pm -

2 stops21h 35m

Sat 10/2410:22 am -

1 stop7h 53m

Deal found 10/4

$282

Fri 10/238:47 pm -

Nonstop1h 12m

Sun 10/255:00 am -

1 stop4h 37m

Deal found 10/4

$314

Thu 10/226:03 pm -

1 stop6h 31m

Sun 10/255:40 am -

1 stop25h 41m

Deal found 10/4

$290

Wed 11/2510:30 am -

Nonstop1h 10m

Sun 11/298:36 am -

Nonstop1h 13m

Deal found 10/4

$319

Thu 3/184:49 pm -

1 stop4h 52m

Sat 3/209:42 am -

1 stop4h 52m

Deal found 10/4

$320

Sat 10/245:20 pm -

1 stop7h 14m

Sun 10/259:12 pm -

1 stop10h 09m

Deal found 10/3

$294

Sat 10/173:08 pm -

Nonstop1h 16m

Sun 10/188:30 am -

Nonstop1h 03m

Deal found 10/8

$349

Tue 10/201:55 pm -

1 stop4h 32m

Sat 10/241:29 pm -

Nonstop1h 08m

Deal found 10/5

$329

Thu 11/126:00 am -

Nonstop1h 15m

Thu 11/121:00 pm -

Nonstop1h 16m

Deal found 10/5

$363

Thu 10/226:03 pm -

1 stop6h 18m

Sun 10/256:08 pm -

2 stops13h 13m

Deal found 10/4

$364

Thu 10/2910:30 am -

Nonstop1h 10m

Sun 11/110:15 pm -

Nonstop1h 15m

Deal found 10/8

$378

Thu 10/151:55 pm -

1 stop4h 50m

Sun 10/185:01 am -

1 stop4h 36m

Deal found 10/3

$394

Last-minute flights from Philadelphia to Washington, D.C.
Discover last-minute flight deals from Philadelphia to Washington, D.C.. Data last updated October 8, 2026 and is based on user searches.

Tue 10/278:30 am -

1 stop8h 42m

Tue 11/36:07 pm -

1 stop24h 12m

Deal found 10/5

$153

Thu 10/298:30 am -

1 stop8h 42m

Tue 11/106:07 pm -

1 stop13h 14m

Deal found 10/5

$156

Thu 10/298:30 am -

1 stop8h 14m

Tue 11/108:41 pm -

1 stop10h 40m

Deal found 10/5

$161

Thu 10/2912:36 pm -

1 stop11h 57m

Sun 11/15:40 am -

1 stop25h 41m

Deal found 10/7

$168

Mon 11/25:22 pm -

1 stop6h 21m

Mon 11/99:06 pm -

1 stop26h 10m

Deal found 10/5

$154

Tue 11/38:30 am -

1 stop15h 13m

Tue 11/106:07 pm -

1 stop13h 14m

Deal found 10/6

$120

Tue 11/38:30 am -

1 stop8h 42m

Mon 11/99:06 pm -

1 stop26h 10m

Deal found 10/6

$129

Tue 11/38:30 am -

1 stop7h 44m

Tue 11/1010:41 am -

1 stop12h 35m

Deal found 10/6

$152

Wed 11/48:30 am -

1 stop7h 44m

Wed 11/1110:41 am -

1 stop12h 35m

Deal found 10/6

$139

Wed 11/412:36 pm -

1 stop11h 07m

Wed 11/117:48 am -

1 stop15h 28m

Deal found 10/7

$139

Mon 11/98:30 am -

1 stop25h 16m

Wed 11/115:45 am -

1 stop17h 31m

Deal found 10/8

$163

Fri 11/135:14 pm -

1 stop7h 19m

Tue 11/178:41 pm -

1 stop10h 40m

Deal found 10/7

$173

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 October 8, 2026.

Wed 12/24:38 pm -

1 stop5h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/4

$57

Tue 1/56:15 am -

1 stop11h 20m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$58

Sat 12/54:38 pm -

1 stop6h 03m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$59

Thu 12/36:40 pm -

1 stop27h 43m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$62

Fri 12/44:38 pm -

1 stop5h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$66

Sat 11/148:36 am -

1 stop8h 36m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/4

$69

Sun 12/66:40 pm -

1 stop14h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$70

Mon 11/95:14 pm -

2 stops41h 07m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$70

Sat 11/78:36 am -

1 stop7h 38m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/6

$77

Tue 11/312:36 pm -

1 stop11h 46m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/4

$82

Mon 12/78:34 am -

1 stop9h 13m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/8

$82

Tue 11/38:30 am -

1 stop15h 13m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/7

$96

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$120 (Mytrip)
One-way from	$57 (Kiwi.com)
Popular in	May
Cheapest in	November
Average price	$259
Good round-trip deal	$414 or less
Good one-way deal	$226 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. 28% potential increase in price ($152 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease ($47 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 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

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 Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Tue 1/5

6:15 am-5:35 pm

1 stop11h 20m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$57

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Sat 12/5

6:40 pm-8:40 am

1 stop14h 00m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$59

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Wed 1/6

6:37 pm-12:34 am

1 stop5h 57m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$59

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Thu 12/10

4:38 pm-12:50 am

1 stop8h 12m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$69

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Sun 12/6

6:40 pm-8:40 am

1 stop14h 00m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$70

PhiladelphiaWashington, D.C.

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

PHLIAD

Philadelphia

Sat 11/14

8:36 am-5:12 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$75

PhiladelphiaWashington, D.C.

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

PHLDCA

Philadelphia

Mon 12/7

6:40 pm-4:55 pm

2 stops22h 15m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$114

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Sat 10/31

5:20 pm-12:22 am

1 stop7h 02m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$118

PhiladelphiaWashington, D.C.

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

PHLDCA

Philadelphia

Thu 12/10

6:40 pm-12:55 pm

2 stops18h 15m

Washington, D.C. Reagan-National

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$123

PhiladelphiaBaltimore

PHL Philadelphia - BWI Baltimore/Washington

PHLBWI

Philadelphia

Fri 11/6

5:14 pm-12:33 am

1 stop7h 19m

Baltimore/Washington

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 60 resultsSorted by cheapest first

...

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 October.

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

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.

PHL-WAS

PHL-BWI

PHL-DCA

PHL-IAD

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.

PHL-WAS

PHL-BWI

PHL-DCA

PHL-IAD

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $239). 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 34% 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 Wednesday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

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

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.

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.

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

10,315 reviews

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

7.4

Good

10,315 reviews

United Airlines

7.4

Good

10,315 reviews

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

American Airlines

7.0

Good

12,138 reviews

United Airlines

7.4

Good

10,315 reviews

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 12 outbound flights to Washington, D.C. per day.
How long is the flight from Philadelphia to Washington, D.C.?
Airlines like Frontier, American Airlines, and United Airlines fly from Philadelphia to Washington, D.C. in about 1h 10m. The time it takes to get you to your destination can typically vary by up to 6h 34m. 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 $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 - 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 (94%), Air China (88%), Republic Airways (88%).
What are the cheapest flights from Philadelphia to Washington, D.C.?
On average you can expect to pay $658 for a flight from Philadelphia to Washington, D.C.. The cheapest flight overall is $176 while the most popular route, (Philadelphia - Washington, D.C. Dulles Intl) is currently priced at $289.
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, January is the cheapest month in which you can book a flight from Philadelphia to Washington, D.C. (average of $239). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$179	Average$559	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$239	Average$489	FlexibilityNo cancel fee	On-time69%

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$57+ Cheap flights from Philadelphia (PHL) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/2. Fares are subject to change and may not be available on all flights or dates of travel.

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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 October 8, 2026.

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 October 8, 2026.

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 October 8, 2026.

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 October 8, 2026.

Last-minute flights from Philadelphia to Washington, D.C.Discover last-minute flight deals from Philadelphia to Washington, D.C.. Data last updated October 8, 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to Washington, D.C.. Data last updated October 8, 2026 and is based on user searches.

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 October 8, 2026.

Search for one-way flight options from Philadelphia to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated October 8, 2026.

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

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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 October.

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.

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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 October 8, 2026.

It’s typically best to fly out from Philadelphia to Washington, D.C. in the morning. Doing so could potentially save you 34% 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 Wednesday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

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 October 3, 2026.

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

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

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Reviews of airlines servicing Washington, D.C.

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.

Related info for your journey

What airport do you fly from for flights from Philadelphia to Washington, D.C.?

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What are the cheapest flights 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.?

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Alternative routes for Philadelphia to Washington, D.C.

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Philadelphia and Washington, D.C. flights

Browse other Philadelphia and Washington, D.C. flight options. Last updated on October 8, 2026.

Other flights from Philadelphia

Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.

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Philadelphia to Washington, D.C. flights

Consider these flights traveling from Philadelphia to Washington, D.C..

Other flights to Washington, D.C.

Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 8, 2026.

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 October 8, 2026.

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 October 8, 2026.

Last-minute flights from Philadelphia to Washington, D.C.
Discover last-minute flight deals from Philadelphia to Washington, D.C.. Data last updated October 8, 2026 and is based on user searches.

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 October 8, 2026.