$111 Cheap Flights from Washington (DCA) to Philadelphia (PHL)

View $111 flight on Wed, Sep 17, 2025Opens in a new window

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

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Cheap Flights from Washington to Philadelphia (DCA-PHL)

Prices were available within the past 7 days and start at $111 for one-way flights and $184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 13 - Wed, Aug 20
DCA
Washington
PHL
Philadelphia
$184 Roundtrip, found 3 hours ago
$184
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Aug 13 from Washington to Philadelphia, returning Wed, Aug 20, priced at $184 found 3 hours ago
American Airlines
Thu, Aug 7 - Wed, Aug 20
DCA
Washington
PHL
Philadelphia
$189 Roundtrip, just found
$189
Roundtrip
just found
Select American Airlines flight, departing Thu, Aug 7 from Washington to Philadelphia, returning Wed, Aug 20, priced at $189 just found
American Airlines
Fri, Aug 8 - Sat, Aug 9
DCA
Washington
PHL
Philadelphia
$199 Roundtrip, found 3 hours ago
$199
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, Aug 8 from Washington to Philadelphia, returning Sat, Aug 9, priced at $199 found 3 hours ago
JetBlue Airways
Thu, Sep 4 - Mon, Sep 8
DCA
Washington
PHL
Philadelphia
$201 Roundtrip, found 1 hour ago
$201
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Thu, Sep 4 from Washington to Philadelphia, returning Mon, Sep 8, priced at $201 found 1 hour ago
JetBlue Airways
Mon, Oct 20 - Wed, Oct 22
DCA
Washington
PHL
Philadelphia
$221 Roundtrip, found 2 days ago
$221
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Oct 20 from Washington to Philadelphia, returning Wed, Oct 22, priced at $221 found 2 days ago
American Airlines
Sat, Oct 11 - Mon, Oct 13
DCA
Washington
PHL
Philadelphia
$224 Roundtrip, found 1 day ago
$224
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Oct 11 from Washington to Philadelphia, returning Mon, Oct 13, priced at $224 found 1 day ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
DCA
Washington
PHL
Philadelphia
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Fri, Sep 5 from Washington to Philadelphia, returning Mon, Sep 8, priced at $230 found 2 days ago
JetBlue Airways
Thu, Sep 4 - Mon, Sep 8
DCA
Washington
PHL
Philadelphia
$231 Roundtrip, found 1 hour ago
$231
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Thu, Sep 4 from Washington to Philadelphia, returning Mon, Sep 8, priced at $231 found 1 hour ago
Southwest Airlines
Fri, Dec 12 - Sun, Dec 14
DCA
Washington
PHL
Philadelphia
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Fri, Dec 12 from Washington to Philadelphia, returning Sun, Dec 14, priced at $234 found 1 day ago
Delta
Sun, May 17 - Thu, May 21
DCA
Washington
PHL
Philadelphia
$918 Roundtrip, found 4 hours ago
$918
Roundtrip
found 4 hours ago
Select Delta flight, departing Sun, May 17 from Washington to Philadelphia, returning Thu, May 21, priced at $918 found 4 hours ago

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

May is typically the cheapest month to fly

From $159 - $440 per traveler.

Graph displaying average flight prices per month

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. Cheapest option available. Average driving time to city center is 44 minutes. Flights from $199
ILG
New Castle
Cheapest
Average driving time to city center44 min
Flights from $199
Flights from Washington (DCA) to Philadelphia (PHL)
Origin airport
Ronald Reagan Washington National
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$184
Distance
119 mi
Average flight time
1 hour 10 mins

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 August. 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 $111 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.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL) cost?
Pick up cheap return flights starting at $179 from Ronald Reagan Washington National Airport (DCA) to Philadelphia Intl. Airport (PHL). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving DCA on August 7 2025 and touching down at PHL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to PHL?
The cheapest flights from DCA to PHL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 DCA to PHL?
With prices as low as $204 for a one-way flight from DCA to PHL, American Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on October 14 2025. Prices were last updated on July 23 2025 and have not changed since.
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.

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