$108 Cheap Flights from Washington (DCA) to Philadelphia (PHL)

View $108 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)

Cheap Flights from Washington to Philadelphia (DCA-PHL)

Prices were available within the past 7 days and start at $108 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jan 10 - Wed, Jan 14
DCA
Washington
PHL
Philadelphia
$179 Roundtrip, found 10 hours ago
$179
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sat, Jan 10 from Washington to Philadelphia, returning Wed, Jan 14, priced at $179 found 10 hours ago
JetBlue Airways
Mon, Nov 3 - Tue, Nov 18
DCA
Washington
PHL
Philadelphia
$183 Roundtrip, found 6 days ago
$183
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Nov 3 from Washington to Philadelphia, returning Tue, Nov 18, priced at $183 found 6 days ago
JetBlue Airways
Mon, Nov 3 - Thu, Nov 20
DCA
Washington
PHL
Philadelphia
$207 Roundtrip, found 6 days ago
$207
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Nov 3 from Washington to Philadelphia, returning Thu, Nov 20, priced at $207 found 6 days ago
American Airlines
Fri, Nov 14 - Mon, Nov 17
DCA
Washington
PHL
Philadelphia
$209 Roundtrip, found 7 hours ago
$209
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Nov 14 from Washington to Philadelphia, returning Mon, Nov 17, priced at $209 found 7 hours ago
American Airlines
Fri, Nov 21 - Mon, Nov 24
DCA
Washington
PHL
Philadelphia
$219 Roundtrip, found 1 hour ago
$219
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Nov 21 from Washington to Philadelphia, returning Mon, Nov 24, priced at $219 found 1 hour ago
JetBlue Airways
Thu, Dec 4 - Wed, Dec 10
DCA
Washington
PHL
Philadelphia
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Washington to Philadelphia, returning Wed, Dec 10, priced at $223 found 1 day ago
American Airlines
Fri, Nov 7 - Sun, Nov 16
DCA
Washington
PHL
Philadelphia
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 7 from Washington to Philadelphia, returning Sun, Nov 16, priced at $224 found 1 day ago
JetBlue Airways
Sat, Nov 15 - Wed, Nov 19
DCA
Washington
PHL
Philadelphia
$225 Roundtrip, found 18 hours ago
$225
Roundtrip
found 18 hours ago
Select JetBlue Airways flight, departing Sat, Nov 15 from Washington to Philadelphia, returning Wed, Nov 19, priced at $225 found 18 hours ago
Delta
Thu, Nov 27 - Fri, Nov 28
DCA
Washington
PHL
Philadelphia
$537 Roundtrip, found 1 day ago
$537
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Nov 27 from Washington to Philadelphia, returning Fri, Nov 28, priced at $537 found 1 day ago
United
Mon, Nov 24 - Tue, Nov 25
DCA
Washington
PHL
Philadelphia
$873 Roundtrip, found 16 hours ago
$873
Roundtrip
found 16 hours ago
Select United flight, departing Mon, Nov 24 from Washington to Philadelphia, returning Tue, Nov 25, priced at $873 found 16 hours ago

Find the cheapest month to fly from Washington (DCA) to Philadelphia (PHL)

May is typically the cheapest month to fly

From $159 - $427 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Average driving time to city center is 44 minutes. Flights from $251
ILG
New Castle
Average driving time to city center44 min
Flights from $251

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) cost?
Grab a cheap one-way flight from $108 or cheap return flight from $179 from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from DCA to PHL is January, when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
Jump on a direct flight with American Airlines and fly straight from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL).
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from DCA to PHL. Then, sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
With an average of 3 nonstop flights departing from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) daily, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
The 11 AM departures from DCA to PHL are the most sought after. Prices can be higher for these popular slots. If you want to save on your fare, choose a less crowded time to fly.
What day of the week has the most flights from DCA to PHL?
Jet off on a Friday if you're looking for the largest selection of flights from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
The earliest flight jetting off from Ronald Reagan Washington National Airport (DCA) is at around 6:45AM UTC-5. Board this flight and you'll touch down at Philadelphia Intl. Airport (PHL) at approximately 7:50AM UTC-5. The total flight duration is 1h 5m.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
Flights from DCA to PHL have an average travel time of 1 hour and 5 minutes. The distance between these two airports is 120 mi.
What airline has the least delays from DCA to PHL?
With 86% of journeys typically arriving as scheduled, American Airlines has the best on-time performance for direct flights from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL). To monitor your flight status and receive notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Philadelphia from Ronald Reagan Washington National Airport (DCA)?
If you're on a direct flight from Ronald Reagan Washington National Airport (DCA) to Philadelphia, Philadelphia Intl. Airport (PHL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute bookings from DCA to PHL are generally more expensive. For the lowest prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may find a cheap ticket just before your departure.
Is it cheaper to book a DCA to PHL flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to PHL flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL)?
If you reserved your DCA to PHL flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$179
Distance
119 mi
Average flight time
1 hour 8 mins

Book with confidence

Washington to Philadelphia Flights

The cheapest times to fly from Washington to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Philadelphia are during the month of January. You can find some of the cheapest flights from Washington to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Philadelphia

Sunday is one of the best days to book for cheap flights from Washington to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Philadelphia Flights

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*Available to One Key members.