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. Other airlines that can offer you cheap pricing are United Airlines, from $179, and Spirit Airlines, from $191. These flights start at 48% 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 Spirit Airlines, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from JetBlue and Frontier, 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. Dulles Intl - Philadelphia or Washington, D.C. Reagan-National - Philadelphia, Baltimore/Washington - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.

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 17 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.

$96+ Flights from Washington, D.C. to Philadelphia

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

Round-trip from	$179 (American Airlines)
One-way from	$96 (Trip.com)
Popular in	August
Cheapest in	April
Average price	$538
Good round-trip deal	$542 or less
Good one-way deal	$191 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. 22% potential increase in price ($99 potential increase over avg. RT price).

Search Deals

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

Search Deals

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 12, 2025.

Thu 7/106:10 amDCA - PHL

Nonstop1h 11mAmerican Airlines

Thu 7/175:53 amPHL - DCA

Nonstop1h 06mAmerican Airlines

Deal found 6/12

$179

Thu 7/38:45 amIAD - PHL

Nonstop1h 10mUnited Airlines

Sun 7/66:05 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/10

$179

Thu 6/267:55 amBWI - PHL

1 stop9h 22mSpirit Airlines

Mon 6/3012:19 pmPHL - BWI

1 stop20h 02mSpirit Airlines

Deal found 6/11

$191

Thu 9/251:35 pmDCA - PHL

1 stop4h 10mJetBlue

Sun 9/287:00 amPHL - DCA

1 stop4h 08mJetBlue

Deal found 6/9

$201

Sun 9/2111:53 amBWI - PHL

1 stop12h 50mFrontier

Wed 9/248:00 amPHL - BWI

1 stop7h 30mFrontier

Deal found 6/11

$239

Thu 9/186:00 amIAD - PHL

1 stop5h 02mFrontier

Wed 9/246:10 pmPHL - IAD

1 stop5h 35mFrontier

Deal found 6/11

$251

Sat 9/207:17 pmIAD - PHL

1 stop4h 00mAmerican Airlines

Sat 9/276:02 amPHL - IAD

1 stop4h 05mAmerican Airlines

Deal found 6/11

$288

Tue 6/246:50 pmDCA - PHL

1 stop4h 35mSouthwest

Thu 6/266:00 pmPHL - DCA

1 stop4h 45mSouthwest

Deal found 6/10

$325

Thu 7/311:58 amIAD - PHL

2 stops21h 49mMultiple Airlines

Mon 7/712:06 pmPHL - IAD

1 stop24h 07mMultiple Airlines

Deal found 6/10

$372

Tue 9/236:00 amIAD - PHL

1 stop8h 59mDelta

Fri 10/247:20 pmPHL - IAD

1 stop18h 37mDelta

Deal found 6/10

$402

Mon 9/223:30 pmDCA - PHL

1 stop8h 50mUnited Airlines

Thu 9/256:30 amPHL - DCA

1 stop9h 21mUnited Airlines

Deal found 6/11

$443

Sat 9/206:15 amBWI - PHL

1 stop11h 06mUnited Airlines

Sat 9/2710:05 amPHL - BWI

1 stop11h 17mUnited Airlines

Deal found 6/11

$445

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 12, 2025.

Wed 7/210:40 pmDCA - PHL

Nonstop0h 57mAmerican Airlines

Fri 7/45:00 pmPHL - DCA

Nonstop1h 06mAmerican Airlines

Deal found 6/11

$179

Thu 7/38:45 amIAD - PHL

Nonstop1h 10mUnited Airlines

Sun 7/66:05 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/10

$179

Thu 6/267:55 amBWI - PHL

1 stop9h 22mSpirit Airlines

Mon 6/3012:19 pmPHL - BWI

1 stop20h 02mSpirit Airlines

Deal found 6/11

$191

Wed 7/911:45 amDCA - PHL

1 stop5h 00mJetBlue

Wed 7/1611:42 amPHL - DCA

1 stop9h 17mJetBlue

Deal found 6/11

$201

Sun 9/2111:53 amBWI - PHL

1 stop12h 50mFrontier

Wed 9/248:00 amPHL - BWI

1 stop7h 30mFrontier

Deal found 6/11

$239

Tue 6/246:50 pmDCA - PHL

1 stop4h 35mSouthwest

Thu 6/266:00 pmPHL - DCA

1 stop4h 45mSouthwest

Deal found 6/10

$325

Thu 7/311:58 amIAD - PHL

2 stops21h 49mMultiple Airlines

Mon 7/712:06 pmPHL - IAD

1 stop24h 07mMultiple Airlines

Deal found 6/10

$372

Fri 8/14:24 pmIAD - PHL

1 stop8h 11mFrontier

Mon 8/45:25 amPHL - IAD

1 stop11h 52mFrontier

Deal found 6/11

$251

Mon 6/306:55 amIAD - PHL

1 stop3h 43mAmerican Airlines

Mon 9/18:30 amPHL - IAD

1 stop4h 07mAmerican Airlines

Deal found 6/10

$289

Tue 9/236:15 amBWI - PHL

1 stop18h 05mUnited Airlines

Wed 9/241:03 pmPHL - BWI

1 stop8h 39mUnited Airlines

Deal found 6/11

$425

Fri 8/227:25 amDCA - PHL

1 stop6h 52mUnited Airlines

Fri 8/225:15 pmPHL - DCA

1 stop5h 28mUnited Airlines

Deal found 6/10

$481

Thu 6/267:00 amDCA - PHL

1 stop15h 10mFrontier

Mon 6/301:02 pmPHL - DCA

1 stop8h 57mFrontier

Deal found 6/11

$486

Last-minute flights from Washington, D.C. to Philadelphia
Discover last-minute flight deals from Washington, D.C. to Philadelphia. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1710:30 amDCA - PHL

1 stop8h 05mJetBlue

Tue 6/2410:15 amPHL - DCA

1 stop7h 50mJetBlue

Deal found 6/12

$582

Tue 6/176:00 amDCA - PHL

1 stop5h 04mDelta

Tue 6/174:05 pmPHL - DCA

1 stop4h 41mDelta

Deal found 6/12

$1,401

Wed 6/1810:06 amDCA - PHL

Nonstop1h 15mAmerican Airlines

Wed 6/2510:30 amPHL - DCA

Nonstop1h 03mAmerican Airlines

Deal found 6/10

$194

Thu 6/195:40 pmIAD - PHL

3 stops28h 53mMultiple Airlines

Sun 6/226:20 amPHL - IAD

2 stops32h 03mMultiple Airlines

Deal found 6/10

$582

Thu 6/195:41 pmIAD - PHL

1 stop6h 27mAmerican Airlines

Sun 6/221:55 pmPHL - IAD

2 stops5h 49mAmerican Airlines

Deal found 6/11

$774

Fri 6/2010:15 pmIAD - PHL

Nonstop1h 14mUnited Airlines

Tue 6/246:15 amPHL - IAD

Nonstop1h 10mUnited Airlines

Deal found 6/12

$199

Fri 6/2012:57 pmDCA - PHL

2 stops16h 28mMultiple Airlines

Sun 6/228:31 amPHL - DCA

1 stop14h 11mMultiple Airlines

Deal found 6/12

$2,210

Sat 6/2111:35 amBWI - PHL

1 stop5h 37mSpirit Airlines

Tue 6/246:15 amPHL - BWI

1 stop9h 53mSpirit Airlines

Deal found 6/12

$270

Sat 6/215:48 pmBWI - PHL

1 stop6h 21mFrontier

Thu 6/266:54 pmPHL - BWI

1 stop5h 32mFrontier

Deal found 6/12

$296

Sat 6/214:16 pmIAD - PHL

1 stop7h 53mFrontier

Tue 6/246:54 pmPHL - IAD

1 stop5h 10mFrontier

Deal found 6/12

$346

Mon 6/237:00 pmDCA - PHL

1 stop5h 45mUnited Airlines

Tue 6/2412:25 pmPHL - DCA

1 stop6h 37mUnited Airlines

Deal found 6/10

$627

Tue 6/246:50 pmDCA - PHL

1 stop4h 35mSouthwest

Thu 6/266:00 pmPHL - DCA

1 stop4h 45mSouthwest

Deal found 6/10

$325

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 12, 2025.

Thu 7/102:50 pmBWI - PHL

1 stop7h 36mSpirit Airlines

Deal found 6/10

$96

Tue 7/1510:30 amDCA - PHL

1 stop6h 15mJetBlue

Deal found 6/10

$111

Sat 6/289:42 pmIAD - PHL

1 stop15h 59mMultiple Airlines

Deal found 6/10

$134

Tue 8/56:10 amIAD - PHL

1 stop11h 45mFrontier

Deal found 6/12

$158

Tue 6/248:45 amDCA - PHL

1 stop3h 57mAmerican Airlines

Deal found 6/10

$188

Sun 7/65:30 pmIAD - PHL

Nonstop1h 18mUnited Airlines

Deal found 6/9

$204

Tue 8/51:06 pmIAD - PHL

1 stop7h 03mAmerican Airlines

Deal found 6/11

$214

Sat 10/46:29 amBWI - PHL

1 stop11h 06mUnited Airlines

Deal found 6/10

$228

Fri 7/185:00 pmDCA - PHL

1 stop7h 30mUnited Airlines

Deal found 6/12

$244

Fri 7/117:52 pmBWI - PHL

2 stops12h 42mDelta

Deal found 6/10

$258

Thu 7/107:20 amBWI - PHL

2 stops14h 06mFrontier

Deal found 6/10

$275

Sun 11/1612:20 pmBWI - PHL

2 stops26h 20mMultiple Airlines

Deal found 6/9

$295

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

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Thu 7/10

6:10 am-7:21 am

Nonstop1h 11m

Philadelphia

Thu 7/17

5:53 am-6:59 am

Nonstop1h 06m

$179

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 7/3

8:45 am-9:55 am

Nonstop1h 10m

Philadelphia

Sun 7/6

6:05 am-7:15 am

Nonstop1h 10m

$179

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Thu 6/26

7:55 am-5:17 pm

1 stop9h 22m

Philadelphia

Mon 6/30

12:19 pm-8:21 am

1 stop20h 02m

$191

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Wed 7/9

11:45 am-4:45 pm

1 stop5h 00m

Philadelphia

Wed 7/16

11:42 am-8:59 pm

1 stop9h 17m

$201

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Fri 8/1

4:24 pm-12:35 am

1 stop8h 11m

Philadelphia

Mon 8/4

5:25 am-5:17 pm

1 stop11h 52m

$251

BaltimorePhiladelphia

BWI - PHL

BWIPHL

Baltimore/Washington

Fri 8/22

11:22 am-3:51 pm

1 stop4h 29m

Philadelphia

Sat 8/23

6:25 pm-12:08 am

1 stop5h 43m

$253

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Mon 6/30

6:55 am-10:38 am

1 stop3h 43m

Philadelphia

Mon 9/1

8:30 am-12:37 pm

1 stop4h 07m

$289

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Tue 6/24

6:50 pm-11:25 pm

1 stop4h 35m

Philadelphia

Thu 6/26

6:00 pm-10:45 pm

1 stop4h 45m

$325

Washington, D.C.Philadelphia

IAD - PHL

IADPHL

Washington, D.C. Dulles Intl

Thu 7/3

11:58 am-9:47 am

2 stops21h 49m

Philadelphia

Mon 7/7

12:06 pm-12:13 pm

1 stop24h 07m

$372

Washington, D.C.Philadelphia

DCA - PHL

DCAPHL

Washington, D.C. Reagan-National

Fri 8/22

7:25 am-2:17 pm

1 stop6h 52m

Philadelphia

Fri 8/22

5:15 pm-10:43 pm

1 stop5h 28m

$481

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 29 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 42% 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. 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 Tuesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Philadelphia by month

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.

Temperature in Philadelphia by month

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).

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Alaska Airlines, Southwest and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,287 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,950 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Qatar Airways

7.4

Good

3,584 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,790 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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 17 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 $179. Other airlines that can offer you cheap pricing are United Airlines, from $179, and Spirit Airlines, from $191. These flights start at 48% 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 Spirit Airlines, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from JetBlue and Frontier, 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. Dulles Intl - Philadelphia or Washington, D.C. Reagan-National - Philadelphia, Baltimore/Washington - Philadelphia is the most popular route from Washington, D.C. to Philadelphia.
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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Top 2 airlines flying from Washington, D.C. to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$179	Average$322	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$179	Average$304	FlexibilityNo cancel fee	On-time69%

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$96+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.

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

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2. Select your favorite providers

3. Compare prices and book

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 12, 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 12, 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 12, 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

Rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average rainfall totals by month.

Temperature in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature totals by month.

Reviews of airlines servicing Philadelphia

See what other customers who have flown with Alaska Airlines, Southwest and Delta 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.

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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 12, 2025.