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

For as low as $179, Spirit Airlines can have you in Philadelphia from Washington, D.C. in 1h 13m. The distance between Washington, D.C. and Philadelphia is about 119 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Cheapflights users have booked flights from Washington, D.C. to Philadelphia round-trip from $179. Another airline that can offer you cheap pricing is American Airlines. These flights start at 43% lower than the current average price 3 months from now.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Spirit Airlines and JetBlue, as they are both options that can get you from Washington, D.C. to Philadelphia for a low price.

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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

While some choose either Washington, D.C. Reagan-National - Philadelphia or Baltimore/Washington - Philadelphia, Washington, D.C. Dulles Intl - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.

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

On average you can expect to pay $475 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $199 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $179.

What are the most reliable airlines from Washington, D.C. to Philadelphia?

No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Philadelphia consider choosing Mesa Airlines (83%), Air Canada (80%) or Ethiopian Air (80%) as they are the most reliable in getting you off to your destination on time.

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

Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Philadelphia. 2 airlines have flights to Philadelphia from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Philadelphia should not be difficult; the airport handles an average of 12 inbound flights from Washington, D.C. per day.

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

Yes. In addition to deals on Washington, D.C. to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Philadelphia.

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

Yes. Cheapflights offers flight deals from Washington, D.C. to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$76+ Cheap Flights from Washington, D.C. to Philadelphia

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

Round-trip from	$174 (Priceline)
One-way from	$76 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$249
Good round-trip deal	$299 or less
Good one-way deal	$173 or less

From Washington, D.C. (WAS) to Philadelphia

Search Deals

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

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($60 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Philadelphia.

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Price to beat on a one-way flight from Washington, D.C. (WAS) to Philadelphia.

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

Cheapest flights from Washington, D.C. to Philadelphia
Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

Wed 12/103:31 pmBWI - PHL

1 stop6h 34mSpirit Airlines

Thu 12/1110:46 amPHL - BWI

1 stop9h 46mSpirit Airlines

Deal found 9/18

$149

Thu 10/26:22 amBWI - PHL

1 stop18h 37mFrontier

Wed 10/85:53 pmPHL - BWI

1 stop6h 00mFrontier

Deal found 9/16

$153

Wed 10/18:12 amBWI - PHL

1 stop5h 38mFrontier

Sun 10/511:24 amPHL - BWI

1 stop8h 41mFrontier

Deal found 9/16

$155

Fri 10/31:17 pmBWI - PHL

1 stop10h 42mSpirit Airlines

Wed 10/155:20 amPHL - BWI

1 stop7h 20mSpirit Airlines

Deal found 9/18

$174

Fri 10/36:10 amIAD - PHL

1 stop13h 28mMultiple Airlines

Wed 10/151:02 pmPHL - IAD

1 stop6h 44mMultiple Airlines

Deal found 9/18

$174

Thu 10/29:38 amBWI - PHL

1 stop11h 20mMultiple Airlines

Mon 10/65:10 amPHL - BWI

1 stop29h 51mMultiple Airlines

Deal found 9/17

$178

Wed 10/1512:54 pmDCA - PHL

Nonstop1h 05mAmerican Airlines

Wed 10/228:20 amPHL - DCA

Nonstop1h 09mAmerican Airlines

Deal found 9/16

$179

Fri 10/1012:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Sun 10/1210:32 amPHL - IAD

Nonstop1h 13mUnited Airlines

Deal found 9/17

$179

Fri 10/36:00 amDCA - PHL

Nonstop1h 07mAmerican Airlines

Wed 10/154:35 pmPHL - DCA

Nonstop1h 04mAmerican Airlines

Deal found 9/18

$184

Fri 10/312:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Wed 10/157:58 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/18

$184

Tue 9/306:55 amDCA - PHL

1 stop5h 39mAmerican Airlines

Tue 9/303:44 pmPHL - DCA

Nonstop1h 10mAmerican Airlines

Deal found 9/16

$187

Wed 10/11:30 pmDCA - PHL

Nonstop1h 02mAmerican Airlines

Sun 10/53:44 pmPHL - DCA

Nonstop1h 10mAmerican Airlines

Deal found 9/15

$189

Best flights from Washington, D.C. to Philadelphia
Discover carefully curated flight deals from Washington, D.C. to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2025.

Wed 12/103:31 pmBWI - PHL

1 stop6h 34mSpirit Airlines

Thu 12/1110:46 amPHL - BWI

1 stop9h 46mSpirit Airlines

Deal found 9/18

$149

Fri 10/2412:29 pmBWI - PHL

1 stop8h 24mFrontier

Sun 10/266:00 amPHL - BWI

1 stop4h 35mFrontier

Deal found 9/16

$153

Fri 10/36:10 amIAD - PHL

1 stop13h 28mMultiple Airlines

Wed 10/151:02 pmPHL - IAD

1 stop6h 44mMultiple Airlines

Deal found 9/18

$174

Fri 10/316:59 amDCA - PHL

Nonstop1h 13mAmerican Airlines

Sun 11/27:50 pmPHL - DCA

Nonstop1h 08mAmerican Airlines

Deal found 9/15

$179

Thu 10/95:45 pmIAD - PHL

Nonstop1h 12mUnited Airlines

Sun 10/1210:32 amPHL - IAD

Nonstop1h 13mUnited Airlines

Deal found 9/17

$179

Tue 10/141:59 pmDCA - PHL

1 stop7h 56mJetBlue

Tue 10/2111:45 amPHL - DCA

1 stop9h 09mJetBlue

Deal found 9/16

$231

Thu 10/26:22 amBWI - PHL

1 stop18h 37mFrontier

Wed 10/85:53 pmPHL - BWI

1 stop6h 00mFrontier

Deal found 9/16

$153

Wed 10/18:12 amBWI - PHL

1 stop5h 38mFrontier

Sun 10/511:24 amPHL - BWI

1 stop8h 41mFrontier

Deal found 9/16

$155

Fri 10/31:17 pmBWI - PHL

1 stop10h 42mSpirit Airlines

Wed 10/155:20 amPHL - BWI

1 stop7h 20mSpirit Airlines

Deal found 9/18

$174

Thu 10/29:38 amBWI - PHL

1 stop11h 20mMultiple Airlines

Mon 10/65:10 amPHL - BWI

1 stop29h 51mMultiple Airlines

Deal found 9/17

$178

Sat 10/1812:54 pmDCA - PHL

Nonstop1h 05mAmerican Airlines

Sat 10/258:53 amPHL - DCA

Nonstop1h 06mAmerican Airlines

Deal found 9/18

$179

Fri 10/248:30 amIAD - PHL

Nonstop1h 16mUnited Airlines

Wed 10/2910:34 amPHL - IAD

Nonstop1h 06mUnited Airlines

Deal found 9/18

$179

Thu 12/41:44 pmDCA - PHL

Nonstop1h 08mAmerican Airlines

Mon 12/83:51 pmPHL - DCA

Nonstop1h 04mAmerican Airlines

Deal found 9/16

$179

Fri 12/2610:20 pmIAD - PHL

Nonstop1h 10mUnited Airlines

Tue 12/3010:39 amPHL - IAD

Nonstop1h 16mUnited Airlines

Deal found 9/17

$179

Wed 10/155:20 pmBWI - PHL

1 stop16h 12mMultiple Airlines

Wed 10/229:14 pmPHL - BWI

1 stop15h 26mMultiple Airlines

Deal found 9/16

$192

Wed 10/156:10 amDCA - PHL

Nonstop1h 11mAmerican Airlines

Wed 10/228:20 amPHL - DCA

Nonstop1h 09mAmerican Airlines

Deal found 9/16

$179

Sat 11/228:22 amIAD - PHL

Nonstop1h 16mUnited Airlines

Tue 12/28:05 pmPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 9/18

$179

Tue 9/307:49 pmBWI - PHL

1 stop13h 57mSpirit Airlines

Sun 10/55:33 amPHL - BWI

1 stop30h 21mSpirit Airlines

Deal found 9/16

$198

Wed 9/248:12 amBWI - PHL

1 stop5h 38mFrontier

Thu 9/2510:21 amPHL - BWI

1 stop10h 53mFrontier

Deal found 9/16

$194

Mon 11/171:44 pmDCA - PHL

Nonstop1h 09mAmerican Airlines

Sun 11/237:50 pmPHL - DCA

Nonstop1h 08mAmerican Airlines

Deal found 9/16

$179

Fri 10/1012:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Sun 10/1210:32 amPHL - IAD

Nonstop1h 13mUnited Airlines

Deal found 9/17

$179

Fri 9/267:45 pmBWI - PHL

1 stop4h 44mMultiple Airlines

Mon 9/299:50 pmPHL - BWI

1 stop13h 11mMultiple Airlines

Deal found 9/18

$201

Fri 10/314:20 pmBWI - PHL

1 stop8h 39mFrontier

Sun 11/210:32 pmPHL - BWI

1 stop10h 02mFrontier

Deal found 9/15

$195

Fri 10/36:00 amDCA - PHL

Nonstop1h 07mAmerican Airlines

Wed 10/154:35 pmPHL - DCA

Nonstop1h 04mAmerican Airlines

Deal found 9/18

$184

Fri 10/312:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Wed 10/157:58 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/18

$184

Thu 10/21:30 pmDCA - PHL

Nonstop1h 02mAmerican Airlines

Mon 10/66:45 pmPHL - DCA

Nonstop1h 14mAmerican Airlines

Deal found 9/17

$189

Sat 10/48:30 amIAD - PHL

Nonstop1h 16mUnited Airlines

Wed 10/87:58 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/19

$189

Wed 11/128:40 amIAD - PHL

1 stop7h 10mFrontier

Fri 11/145:50 amPHL - IAD

1 stop10h 44mFrontier

Deal found 9/18

$225

Wed 10/11:30 pmDCA - PHL

Nonstop1h 02mAmerican Airlines

Sun 10/53:44 pmPHL - DCA

Nonstop1h 10mAmerican Airlines

Deal found 9/15

$189

Thu 11/2712:55 pmIAD - PHL

Nonstop1h 13mUnited Airlines

Fri 11/288:00 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/17

$193

Last-minute flights from Washington, D.C. to Philadelphia
Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated September 19, 2025 and is based on user searches.

Wed 10/18:12 amBWI - PHL

1 stop5h 38mFrontier

Sun 10/511:24 amPHL - BWI

1 stop8h 41mFrontier

Deal found 9/16

$155

Wed 10/11:30 pmDCA - PHL

Nonstop1h 02mAmerican Airlines

Sat 10/46:33 pmPHL - DCA

Nonstop1h 26mAmerican Airlines

Deal found 9/17

$189

Thu 10/26:22 amBWI - PHL

1 stop18h 37mFrontier

Wed 10/85:53 pmPHL - BWI

1 stop6h 00mFrontier

Deal found 9/16

$153

Thu 10/29:38 amBWI - PHL

1 stop11h 20mMultiple Airlines

Mon 10/65:10 amPHL - BWI

1 stop29h 51mMultiple Airlines

Deal found 9/17

$178

Fri 10/31:17 pmBWI - PHL

1 stop10h 42mSpirit Airlines

Wed 10/155:20 amPHL - BWI

1 stop7h 20mSpirit Airlines

Deal found 9/18

$174

Fri 10/36:10 amIAD - PHL

1 stop13h 28mMultiple Airlines

Wed 10/151:02 pmPHL - IAD

1 stop6h 44mMultiple Airlines

Deal found 9/18

$174

Fri 10/36:00 amDCA - PHL

Nonstop1h 07mAmerican Airlines

Wed 10/154:35 pmPHL - DCA

Nonstop1h 04mAmerican Airlines

Deal found 9/18

$184

Fri 10/312:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Wed 10/157:58 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/18

$184

Sat 10/48:30 amIAD - PHL

Nonstop1h 16mUnited Airlines

Wed 10/87:58 pmPHL - IAD

Nonstop1h 07mUnited Airlines

Deal found 9/19

$189

Fri 10/1012:50 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Sun 10/1210:32 amPHL - IAD

Nonstop1h 13mUnited Airlines

Deal found 9/17

$179

Wed 10/156:10 amDCA - PHL

Nonstop1h 11mAmerican Airlines

Wed 10/228:20 amPHL - DCA

Nonstop1h 09mAmerican Airlines

Deal found 9/16

$179

Wed 10/155:20 pmBWI - PHL

1 stop16h 12mMultiple Airlines

Wed 10/229:14 pmPHL - BWI

1 stop15h 26mMultiple Airlines

Deal found 9/16

$192

One-way flights from Washington, D.C. to Philadelphia
Search for one-way flight options from Washington, D.C. to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 19, 2025.

Tue 10/288:47 amIAD - PHL

1 stop6h 18mFrontier

Deal found 9/18

$76

Mon 10/277:57 pmBWI - PHL

1 stop13h 44mFrontier

Deal found 9/18

$85

Tue 10/148:00 amBWI - PHL

1 stop28h 53mSpirit Airlines

Deal found 9/15

$96

Fri 9/267:49 pmBWI - PHL

1 stop13h 57mSpirit Airlines

Deal found 9/17

$99

Fri 9/267:45 pmBWI - PHL

1 stop4h 44mFrontier

Deal found 9/18

$103

Tue 9/306:50 amBWI - PHL

1 stop26h 56mSpirit Airlines

Deal found 9/16

$104

Tue 10/145:20 pmBWI - PHL

2 stops20h 57mMultiple Airlines

Deal found 9/15

$107

Fri 9/263:15 pmIAD - PHL

1 stop8h 58mFrontier

Deal found 9/17

$107

Wed 10/154:00 pmBWI - PHL

2 stops18h 35mMultiple Airlines

Deal found 9/16

$108

Wed 10/19:15 amIAD - PHL

2 stops24h 31mMultiple Airlines

Deal found 9/17

$108

Fri 9/263:15 pmIAD - PHL

1 stop25h 29mMultiple Airlines

Deal found 9/18

$109

Mon 10/68:14 pmBWI - PHL

2 stops25h 10mMultiple Airlines

Deal found 9/16

$111

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 12/10

3:31 pm-10:05 pm

1 stop6h 34m

Philadelphia

Thu 12/11

10:46 am-8:32 pm

1 stop9h 46m

$149

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 10/24

12:29 pm-8:53 pm

1 stop8h 24m

Philadelphia

Sun 10/26

6:00 am-10:35 am

1 stop4h 35m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 10/2

6:22 am-12:59 am

1 stop18h 37m

Philadelphia

Wed 10/8

5:53 pm-11:53 pm

1 stop6h 00m

$153

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Wed 10/1

8:12 am-1:50 pm

1 stop5h 38m

Philadelphia

Sun 10/5

11:24 am-8:05 pm

1 stop8h 41m

$155

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 10/3

6:10 am-7:38 pm

1 stop13h 28m

Philadelphia

Wed 10/15

1:02 pm-7:46 pm

1 stop6h 44m

$174

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 10/3

1:17 pm-11:59 pm

1 stop10h 42m

Philadelphia

Wed 10/15

5:20 am-12:40 pm

1 stop7h 20m

$174

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 10/2

9:38 am-8:58 pm

1 stop11h 20m

Philadelphia

Mon 10/6

5:10 am-11:01 am

1 stop29h 51m

$178

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Fri 10/31

6:59 am-8:12 am

Nonstop1h 13m

Philadelphia

Sun 11/2

7:50 pm-8:58 pm

Nonstop1h 08m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 10/9

5:45 pm-6:57 pm

Nonstop1h 12m

Philadelphia

Sun 10/12

10:32 am-11:45 am

Nonstop1h 13m

$179

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 10/18

12:54 pm-1:59 pm

Nonstop1h 05m

Philadelphia

Sat 10/25

8:53 am-9:59 am

Nonstop1h 06m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/18

Showing 1-10 of 56 results

...

The best insider tips for Washington, D.C. to Philadelphia flights

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

Airports

IAD

For a smooth departure from IAD, use the Aerotrain to quickly reach distant gates, avoiding long walks.

PHL

Upon arrival at PHL, take the SEPTA Airport Line for a quick trip to Center City Philadelphia.

Our travel experts

Mark Chesnut

Expert on PHL

Ramsey Qubein

Expert on IAD

Best time to book a flight from Washington, D.C. to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Washington, D.C. 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 Washington, D.C. to Philadelphia

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $236). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $295). 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 WAS to PHL?

When flying from Washington, D.C. to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 41% versus a flight in the afternoon.

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

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

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

The most flights from WAS to PHL are scheduled on a Wednesday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Philadelphia

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. to Philadelphia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

10.0

Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

What airport do you fly into for flights to Philadelphia from Washington, D.C.?
Philadelphia (PHL), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Philadelphia. 2 airlines have flights to Philadelphia from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Philadelphia should not be difficult; the airport handles an average of 12 inbound flights from Washington, D.C. per day.
How long is the flight from Washington, D.C. to Philadelphia?
For as low as $179, Spirit Airlines can have you in Philadelphia from Washington, D.C. in 1h 13m. The distance between Washington, D.C. and Philadelphia is about 119 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Washington, D.C. to Philadelphia round-trip?
Cheapflights users have booked flights from Washington, D.C. to Philadelphia round-trip from $179. Another airline that can offer you cheap pricing is American Airlines. These flights start at 43% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. to Philadelphia one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from Spirit Airlines and JetBlue, as they are both options that can get you from Washington, D.C. to Philadelphia for a low price.
What are the most popular routes from Washington, D.C. to Philadelphia?
While some choose either Washington, D.C. Reagan-National - Philadelphia or Baltimore/Washington - Philadelphia, Washington, D.C. Dulles Intl - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.
What are the most reliable airlines from Washington, D.C. to Philadelphia?
No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Philadelphia consider choosing Mesa Airlines (83%), Air Canada (80%) or Ethiopian Air (80%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Washington, D.C. to Philadelphia?
On average you can expect to pay $475 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $199 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $179.
Can I find deals for flights from Washington, D.C. to Philadelphia that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Philadelphia.
Can I find deals for business class flights from Washington, D.C. to Philadelphia?
Yes. Cheapflights offers flight deals from Washington, D.C. to Philadelphia 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 Washington, D.C. to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. to Philadelphia (average of $236). Flying from Washington, D.C. to Philadelphia in March is currently the most expensive (average of $295). 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

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Essington

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Chester

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Havre de Grace

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$179	Average$359	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$179	Average$349	FlexibilityNo cancel fee	On-time71%

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$76+ Cheap flights from Washington, D.C. (WAS) to Philadelphia (PHL)

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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Washington, D.C. to PhiladelphiaExplore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

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Best time to book a flight from Washington, D.C. to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Washington, D.C. with our price prediction graph.

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Everything you need to know about your flight from Washington, D.C. to Philadelphia

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

What is the cheapest time of day to fly from WAS to PHL?

Find hourly flight availability from Washington, D.C. to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Philadelphia. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Philadelphia

See what other customers who have flown with United Airlines and American Airlines from Washington, D.C. to Philadelphia have to say. You can also see how each airline compares 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 Washington, D.C. to Philadelphia. 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 into for flights to Philadelphia from Washington, D.C.?

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

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

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Cheapest flights from Washington, D.C. to Philadelphia
Explore the most affordable flight options available from Washington, D.C. to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.