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 $161. Other airlines that can offer you cheap pricing are Spirit Airlines, from $165, and American Airlines, from $179. These flights start at 53% 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 $75. 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 $948 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $218 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $187.

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 Sun Country Air (100%), Ethiopian Air (80%) or ANA (80%) as they are the most reliable in getting you off to your destination on time.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 43% when planning your travel around this day of the week.

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

Our data shows that April tends to be the cheapest month to fly to Philadelphia from Washington, D.C.. Users have commonly found prices around $350 for the month, but tickets can be as low as $179. Due to multiple factors, prepare for potentially higher prices in August.

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 16 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.

$75+ Flights from Washington, D.C. to Philadelphia

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

Round-trip from	$161 (Frontier)
One-way from	$75 (Frontier)
Popular in	August
Cheapest in	April
Average price	$538
Good round-trip deal	$566 or less
Good one-way deal	$228 or less

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

Search Deals

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

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Highest demand for flights based on searches. 22% potential increase in price ($99 potential increase over avg. RT price).

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Cheapest flight prices on average. 15% potential price decrease ($48 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 30, 2025.

Thu 8/145:59 pmIAD - PHL

1 stop6h 45mFrontier

Thu 8/215:40 amPHL - IAD

1 stop10h 50mFrontier

Deal found 6/29

$161

Thu 10/238:30 pmBWI - PHL

1 stop11h 35mSpirit Airlines

Mon 10/275:45 amPHL - BWI

1 stop13h 40mSpirit Airlines

Deal found 6/29

$163

Thu 8/143:58 pmBWI - PHL

1 stop8h 48mFrontier

Thu 8/211:14 pmPHL - BWI

1 stop11h 05mFrontier

Deal found 6/30

$172

Sat 8/94:40 pmDCA - PHL

Nonstop1h 04mAmerican Airlines

Fri 8/156:36 pmPHL - DCA

Nonstop1h 23mAmerican Airlines

Deal found 6/28

$179

Thu 8/1410:05 pmIAD - PHL

Nonstop1h 09mUnited Airlines

Sun 8/176:05 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/27

$187

Tue 8/1210:10 amDCA - PHL

1 stop8h 51mJetBlue

Tue 8/1911:56 amPHL - DCA

1 stop6h 36mJetBlue

Deal found 6/28

$201

Tue 7/152:59 pmBWI - PHL

1 stop9h 00mMultiple Airlines

Wed 7/166:13 amPHL - BWI

1 stop11h 19mMultiple Airlines

Deal found 6/28

$232

Thu 8/1411:04 amIAD - PHL

2 stops22h 52mMultiple Airlines

Sun 8/179:59 pmPHL - IAD

2 stops16h 24mMultiple Airlines

Deal found 6/27

$260

Sat 7/56:35 amIAD - PHL

1 stop4h 02mAmerican Airlines

Sat 7/125:30 pmPHL - IAD

1 stop6h 28mAmerican Airlines

Deal found 6/28

$289

Mon 7/146:00 pmDCA - PHL

1 stop11h 09mFrontier

Fri 7/181:02 pmPHL - DCA

1 stop8h 55mFrontier

Deal found 6/29

$375

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 June 30, 2025.

Thu 8/145:59 pmIAD - PHL

1 stop6h 45mFrontier

Thu 8/215:40 amPHL - IAD

1 stop10h 50mFrontier

Deal found 6/29

$161

Fri 8/226:31 pmBWI - PHL

1 stop13h 32mSpirit Airlines

Sun 8/249:47 amPHL - BWI

1 stop14h 12mSpirit Airlines

Deal found 6/29

$165

Sat 8/94:40 pmDCA - PHL

Nonstop1h 04mAmerican Airlines

Fri 8/156:36 pmPHL - DCA

Nonstop1h 23mAmerican Airlines

Deal found 6/28

$179

Thu 8/1410:05 pmIAD - PHL

Nonstop1h 09mUnited Airlines

Sun 8/176:05 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/27

$187

Tue 8/1210:10 amDCA - PHL

1 stop8h 51mJetBlue

Tue 8/1911:56 amPHL - DCA

1 stop6h 36mJetBlue

Deal found 6/28

$201

Tue 7/152:59 pmBWI - PHL

1 stop9h 00mMultiple Airlines

Wed 7/166:13 amPHL - BWI

1 stop11h 19mMultiple Airlines

Deal found 6/28

$232

Thu 8/143:58 pmBWI - PHL

1 stop8h 48mFrontier

Thu 8/211:14 pmPHL - BWI

1 stop11h 05mFrontier

Deal found 6/30

$172

Thu 8/1411:04 amIAD - PHL

2 stops22h 52mMultiple Airlines

Sun 8/179:59 pmPHL - IAD

2 stops16h 24mMultiple Airlines

Deal found 6/27

$260

Sat 7/121:19 pmIAD - PHL

1 stop6h 52mAmerican Airlines

Mon 7/1411:41 amPHL - IAD

1 stop5h 28mAmerican Airlines

Deal found 6/29

$290

Mon 7/146:00 pmDCA - PHL

1 stop11h 09mFrontier

Fri 7/181:02 pmPHL - DCA

1 stop8h 55mFrontier

Deal found 6/29

$375

Last-minute flights from Washington, D.C. to Philadelphia
Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated June 30, 2025 and is based on user searches.

Sat 7/55:48 pmBWI - PHL

1 stop6h 33mFrontier

Sat 7/127:20 amPHL - BWI

1 stop6h 54mFrontier

Deal found 6/29

$244

Sat 7/512:55 pmIAD - PHL

Nonstop1h 13mUnited Airlines

Sat 7/127:59 pmPHL - IAD

Nonstop1h 09mUnited Airlines

Deal found 6/28

$254

Sat 7/56:35 amIAD - PHL

1 stop4h 02mAmerican Airlines

Sat 7/125:30 pmPHL - IAD

1 stop6h 28mAmerican Airlines

Deal found 6/28

$289

Sat 7/54:17 pmIAD - PHL

1 stop8h 04mFrontier

Sat 7/1211:49 amPHL - IAD

2 stops11h 30mFrontier

Deal found 6/28

$357

Sat 7/59:43 pmIAD - PHL

2 stops13h 41mMultiple Airlines

Sat 7/125:21 pmPHL - IAD

2 stops17h 47mMultiple Airlines

Deal found 6/28

$419

Sat 7/55:04 pmBWI - PHL

2 stops16h 43mSpirit Airlines

Sat 7/126:00 amPHL - BWI

2 stops15h 06mSpirit Airlines

Deal found 6/29

$421

Sun 7/67:20 amBWI - PHL

1 stop10h 25mMultiple Airlines

Wed 7/96:13 amPHL - BWI

1 stop10h 02mMultiple Airlines

Deal found 6/30

$449

Mon 7/710:10 amDCA - PHL

1 stop9h 15mJetBlue

Tue 7/810:15 amPHL - DCA

1 stop4h 48mJetBlue

Deal found 6/30

$541

Thu 7/108:45 amIAD - PHL

Nonstop1h 10mUnited Airlines

Sun 7/136:05 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/30

$199

Mon 7/146:00 pmDCA - PHL

1 stop11h 09mFrontier

Thu 7/176:15 amPHL - DCA

1 stop15h 42mFrontier

Deal found 6/30

$375

Tue 7/157:20 amBWI - PHL

1 stop10h 35mFrontier

Sat 7/195:30 amPHL - BWI

1 stop11h 24mFrontier

Deal found 6/30

$204

Tue 7/152:59 pmBWI - PHL

1 stop9h 00mMultiple Airlines

Wed 7/166:13 amPHL - BWI

1 stop11h 19mMultiple Airlines

Deal found 6/28

$232

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 June 30, 2025.

Wed 8/612:31 pmBWI - PHL

1 stop5h 24mFrontier

Deal found 6/29

$75

Sat 8/98:54 amBWI - PHL

1 stop11h 13mSpirit Airlines

Deal found 6/28

$77

Wed 8/66:10 amIAD - PHL

1 stop11h 45mFrontier

Deal found 6/29

$84

Wed 8/610:30 amDCA - PHL

1 stop6h 15mJetBlue

Deal found 6/29

$111

Sat 8/238:12 pmIAD - PHL

2 stops24h 42mMultiple Airlines

Deal found 6/29

$155

Mon 7/286:00 pmDCA - PHL

1 stop11h 09mFrontier

Deal found 6/27

$178

Tue 8/127:22 amIAD - PHL

2 stops11h 48mDelta

Deal found 6/28

$200

Tue 7/2210:15 pmDCA - PHL

Nonstop1h 16mAmerican Airlines

Deal found 6/27

$204

Sat 8/238:21 amIAD - PHL

Nonstop1h 12mUnited Airlines

Deal found 6/29

$204

Fri 7/46:55 amIAD - PHL

2 stops7h 10mAmerican Airlines

Deal found 6/29

$305

Sun 7/610:30 amDCA - PHL

1 stop7h 06mUnited Airlines

Deal found 6/30

$424

Fri 7/256:15 amBWI - PHL

1 stop18h 15mUnited Airlines

Deal found 6/29

$468

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

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 8/14

5:59 pm-12:44 am

1 stop6h 45m

Philadelphia

Thu 8/21

5:40 am-4:30 pm

1 stop10h 50m

$161

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 8/22

6:31 pm-8:03 am

1 stop13h 32m

Philadelphia

Sun 8/24

9:47 am-11:59 pm

1 stop14h 12m

$165

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 8/14

3:58 pm-12:46 am

1 stop8h 48m

Philadelphia

Thu 8/21

1:14 pm-12:19 am

1 stop11h 05m

$172

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Sat 8/9

4:40 pm-5:44 pm

Nonstop1h 04m

Philadelphia

Fri 8/15

6:36 pm-7:59 pm

Nonstop1h 23m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 8/14

10:05 pm-11:14 pm

Nonstop1h 09m

Philadelphia

Sun 8/17

6:05 am-7:15 am

Nonstop1h 10m

$187

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 8/12

10:10 am-7:01 pm

1 stop8h 51m

Philadelphia

Tue 8/19

11:56 am-6:32 pm

1 stop6h 36m

$201

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Tue 7/15

2:59 pm-11:59 pm

1 stop9h 00m

Philadelphia

Wed 7/16

6:13 am-5:32 pm

1 stop11h 19m

$232

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 8/14

11:04 am-9:56 am

2 stops22h 52m

Philadelphia

Sun 8/17

9:59 pm-2:23 pm

2 stops16h 24m

$260

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Sat 7/5

6:35 am-10:37 am

1 stop4h 02m

Philadelphia

Sat 7/12

5:30 pm-11:58 pm

1 stop6h 28m

$289

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Mon 7/14

6:00 pm-5:09 am

1 stop11h 09m

Philadelphia

Fri 7/18

1:02 pm-9:57 pm

1 stop8h 55m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 23 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 39% 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 Friday mornings when fares are most often at their lowest. Wednesday afternoons 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 Tuesday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Delta, United Airlines, and JetBlue 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.

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,969 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,920 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,096 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 16 inbound flights from Washington, D.C. per day.
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 $161. Other airlines that can offer you cheap pricing are Spirit Airlines, from $165, and American Airlines, from $179. These flights start at 53% 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 $75. 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 Sun Country Air (100%), Ethiopian Air (80%) or ANA (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 $948 for a flight from Washington, D.C. to Philadelphia. The cheapest flight overall is $218 while the most popular route, (Washington, D.C. Dulles Intl - Philadelphia) is currently priced at $187.
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.

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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$304	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$179	Average$314	FlexibilityNo cancel fee	On-time71%

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$75+ 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 8/6. 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 Washington, D.C. to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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

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 June 30, 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 June 30, 2025.

Cheapflights Fare Finder

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

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

PHL

Our travel experts

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.

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?

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 June 30, 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 Delta, United Airlines, and JetBlue 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

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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 June 30, 2025.