To Washington, D.C.

Cheap Flights from Philadelphia to Washington, D.C.

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Philadelphia

RatePunk searches hundreds of travel sites at once for deals on flights to Washington, D.C.

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Philadelphia to Washington, D.C.

Explore current cheapest deals departing from Philadelphia to Washington, D.C.

Round trip

Sort by: Cheapest

October 28 - November 4

Cheapest

Best

PHL - Washington, D.C.

$258

$149

Round trip

October 20 - October 21

Cheapest

Best

PHL - Washington, D.C.

$262

$149

Round trip

October 21 - November 4

Cheapest

PHL - Washington, D.C.

$234

$149

Round trip

October 20 - November 4

Cheapest

PHL - Washington, D.C.

$230

$149

Round trip

September 29 - October 14

PHL - Washington, D.C.

$215

$154

Round trip

September 23 - October 14

PHL - Washington, D.C.

$207

$155

Round trip

October 7 - October 14

PHL - Washington, D.C.

$254

$155

Round trip

October 6 - October 14

PHL - Washington, D.C.

$248

$155

Round trip

September 15 - October 14

Earliest

PHL - Washington, D.C.

$197

$155

Round trip

September 16 - October 14

PHL - Washington, D.C.

$197

$155

Round trip

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Route Intelligence — 486,190 Searches this Week

Insights for flights from Philadelphia to Washington, D.C.

When is the cheapest time to fly from Philadelphia to Washington, D.C.? The most affordable month to travel is typically April, with a median fare of $185. Following April, February offers a median fare of $234, and August presents a median of $279. These months generally provide more budget-friendly options for this route.

For travelers seeking cheap flights from Philadelphia to Washington, D.C., fares typically range from $220–$422, with a median of $308. Right now, current fares are near the typical level for this route. Only 4% of recent fares were classified as a good price, indicating that finding significantly discounted tickets can be challenging. New deals appear almost daily, so setting a price alert could be beneficial.

A typical journey from Philadelphia to Washington, D.C. takes about 13h 21m, including connections. This duration reflects the overall travel time for most itineraries on this route. The distance between Philadelphia and Washington, D.C. is approximately 192 kilometers, classifying this as a short-haul route.

Most itineraries on this route involve connections, as only 20.9% of recent fares were non-stop. For the majority of flights that are not direct, travelers can expect to make 2 connections. This means that while direct flights from Philadelphia to Washington, D.C. are available, connecting itineraries are more common.

How much is a round trip from Philadelphia to Washington, D.C.

Regular price: $208 - $442

Prices for flights from Philadelphia to Washington, D.C. are currently below the regular range.

The regular price range for flights from Philadelphia to Washington, D.C. is typically between $208 and $442. The current lowest deal is $149 with Frontier Airlines for travel from Oct 28 to Nov 4.

now $149

Low $208

High $442

The cheapest time to fly from Philadelphia to Washington, D.C.

The cheapest month to fly from Philadelphia to Washington is April, with a median price of $185. The most expensive month is January, with a median price of $837. Prices are generally lower from February to November.

April

Cheapest

Flights from $185

January

Most Expensive

Flights from $837

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Philadelphia to Washington, D.C.

United Airlines

Last-minute flights going from Philadelphia to Washington, D.C.

Thu, Jun 18

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

JetBlue Airways

$518

$455

One-way

Sun, Jun 21

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

$437

$284

One-way

Sun, Jun 21

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

$514

$479

One-way

Mon, Jun 22

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

$485

$430

One-way

Mon, Jun 22

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

$483

$430

One-way

Fri, Jun 26

⌛ Last-Minute

PHL - Washington, D.C.

Philadelphia (PHL) - Washington, D.C. (DCA)

American Airlines

$303

$270

One-way

Biggest price drops on these dates for flights from Philadelphia to Washington, D.C.

7 nights

Jun 21 - Jun 28

$437 → $284

35%

1 night

Oct 20 - Oct 21

$262 → $149

43%

7 nights

Oct 28 - Nov 4

$258 → $149

42%

7 nights

Oct 7 - Oct 14

$254 → $155

39%

Popular Airports to fly from Philadelphia to Washington, D.C.

Philadelphia - Washington, D.C. route insights

💸 Price insights

Recent fares near the typical level

Recent fares from Philadelphia to Washington, D.C. are near the typical level of $308.

📅 Best time to fly

April is historically cheapest at $185

Historically, April is the cheapest month to fly from Philadelphia to Washington, D.C., with a median price of $185.

⏱️ Flight duration

Median flight time is 13h 21m

The median flight time from Philadelphia to Washington, D.C. is 13 hours and 21 minutes.

✈️ Airlines & availability

Connecting flights are dominant

Only 20.9% of recent deals from Philadelphia to Washington, D.C. are for direct flights.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one of the carriers that historically offers direct flights on this route.

🎯 Booking tip

Deals appear frequently

Historically, deals from Philadelphia to Washington, D.C. appear frequently, with over 1 deal per day.

Philadelphia main airports to depart from

Philadelphia International (PHL)

Cheapest

Philadelphia International Airport is a convenient option for flights from Philadelphia to Washington, D.C.

📍 ~13 km from Philadelphia city center (reachable by car)

💸 Flights from ~$149

Washington, D.C. main airports to arrive at

Baltimore–Washington International (BWI)

Cheapest

Consider BWI for flights to Washington, D.C. as it often offers competitive prices for travelers.

📍 ~40 km from Washington, D.C. (reachable by car)

💸 Flights from ~$151

Ronald Reagan Washington National (DCA)

Choose DCA for convenient access to Washington, D.C., located very close to the city center.

📍 ~5 km from Washington, D.C. (reachable by car)

💸 Flights from ~$225

Washington Dulles International (IAD)

IAD is a major international gateway, providing another option for reaching Washington, D.C.

📍 ~40 km from Washington, D.C. (reachable by car)

💸 Flights from ~$160

Airports nearby Washington, D.C. used as alternative

Richmond International (RIC)

Richmond International is a useful alternative for its strong domestic network and easier terminal navigation.

📍 ~135 km from destination city (reachable by car)

💸 Flights from ~$209

Harrisburg International (MDT)

Harrisburg International is a convenient alternative for northern D.C. suburbs with reliable service and less congestion.

📍 ~115 km from destination city (reachable by car)

💸 Flights from ~$252

Norfolk International (ORF)

Cheapest

Norfolk International offers significant passenger volume and carrier variety, with good flight availability.

📍 ~290 km from destination city (reachable by car)

💸 Flights from ~$184

Charlottesville–Albemarle (CHO)

Charlottesville–Albemarle provides reliable regional service and a very efficient terminal experience.

📍 ~160 km from destination city (reachable by car)

💸 Flights from ~$303

Business & First Class Flight Deals to Washington, D.C.

Washington, D.C., United States

40% AI deal score

$439

$419

Save $20

From PHL

Elite

Jul 23

Washington, D.C., United States

40% AI deal score

Washington, D.C., United States

31% AI deal score

$3,343

From PHL

Elite

Jun 23

Washington, D.C., United States

31% AI deal score

$1,312

Frequently Asked Questions About Flights to Washington, D.C.

Historically, the lowest average prices for flights from Philadelphia to Washington, D.C. are found when booking 14-27 days in advance, with an average price of $271. Booking 0-6 days before departure typically results in an average price of $358. Prices tend to be higher for bookings made 7-13 days out, averaging $462, and for those made 60+ days in advance, where the average price is $481.

Across the trailing quarter, a good price for a flight from Philadelphia to Washington, D.C. is typically around $220 or less. The median price for this route in the trailing 90 days was $308. About 75% of travelers paid $422 or less for their flights on this route.

Historically, April has been the cheapest month to fly from Philadelphia to Washington, D.C., with a median price of $185. February also offers lower prices, with a median of $234. The annual median price for this route is $308, while August typically sees higher prices, with a median of $279.

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