$102 Cheap flights from Washington Dulles Intl. to Philadelphia Intl. (IAD to PHL)

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Find The Best Dates To Fly from Washington Dulles Intl. to Philadelphia Intl.

Amazing IAD to PHL Flight Deals

The cheapest flights to Philadelphia Intl. found within the past 7 days were $159 round trip and $102 one way. Prices and availability subject to change. Additional terms may apply.

Fri, Jul 19 - Sat, Jul 27
IAD
Washington
PHL
Philadelphia
$159 Roundtrip, found 3 days ago
$159
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 19 from Washington to Philadelphia, returning Sat, Jul 27, priced at $159 found 3 days ago
Fri, Jul 19 - Sat, Jul 27
IAD
Washington
PHL
Philadelphia
$189 Roundtrip, found 3 days ago
$189
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 19 from Washington to Philadelphia, returning Sat, Jul 27, priced at $189 found 3 days ago
Fri, May 3 - Mon, May 6
IAD
Washington
PHL
Philadelphia
$206 Roundtrip, found 4 days ago
$206
Roundtrip
found 4 days ago
Select United flight, departing Fri, May 3 from Washington to Philadelphia, returning Mon, May 6, priced at $206 found 4 days ago
Tue, Jul 16 - Mon, Jul 29
IAD
Washington
PHL
Philadelphia
$219 Roundtrip, found 3 days ago
$219
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 16 from Washington to Philadelphia, returning Mon, Jul 29, priced at $219 found 3 days ago
Wed, Jun 26 - Tue, Jul 9
IAD
Washington
PHL
Philadelphia
$228 Roundtrip, found 5 days ago
$228
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jun 26 from Washington to Philadelphia, returning Tue, Jul 9, priced at $228 found 5 days ago
Fri, May 10 - Sun, May 12
IAD
Washington
PHL
Philadelphia
$234 Roundtrip, found 19 hours ago
$234
Roundtrip
found 19 hours ago
Select United flight, departing Fri, May 10 from Washington to Philadelphia, returning Sun, May 12, priced at $234 found 19 hours ago
Fri, Jul 19 - Sat, Jul 27
IAD
Washington
PHL
Philadelphia
$239 Roundtrip, found 3 days ago
$239
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 19 from Washington to Philadelphia, returning Sat, Jul 27, priced at $239 found 3 days ago
Tue, May 14 - Sat, May 18
IAD
Washington
PHL
Philadelphia
$243 Roundtrip, found 3 days ago
$243
Roundtrip
found 3 days ago
Select United flight, departing Tue, May 14 from Washington to Philadelphia, returning Sat, May 18, priced at $243 found 3 days ago
Thu, May 9 - Tue, May 21
IAD
Washington
PHL
Philadelphia
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Thu, May 9 from Washington to Philadelphia, returning Tue, May 21, priced at $248 found 2 days ago
Fri, Jul 19 - Sat, Jul 27
IAD
Washington
PHL
Philadelphia
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select United flight, departing Fri, Jul 19 from Washington to Philadelphia, returning Sat, Jul 27, priced at $249 found 3 days ago

Frequently asked questions

Can I catch a flight from Dulles Intl. Airport to Philadelphia Intl. Airport (PHL) right now?
For information on any present Philadelphia Airport travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Check before you book your flight, so you don’t get caught up en route.
Are there direct flights from IAD to PHL?
The only thing separating you and your next incredible adventure is a single flight. United Airlines is the only airline that offers direct services between Washington Dulles Intl. Airport (IAD) and Philadelphia Intl. Airport (PHL), so it’s a wise idea to book well in advance of your departure date.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Philadelphia Intl. Airport (PHL), please visit our Customer Service Portal.
How long is the flight from Dulles Intl. Airport to Philadelphia Airport?
You’ll only have enough time to breeze through a chapter or two in that gripping novel as the flight from Dulles Intl. Airport to Philadelphia Intl. Airport (PHL) is a mere 1 hour and 8 minutes. You might just find yourself left on a cliffhanger!
What is the flight distance from Washington Dulles Intl. Airport (IAD) to Philadelphia Airport?
There’s a flight distance of 130 mi between Washington Dulles Intl. Airport (IAD) and Philadelphia Airport. Take advantage of the short trip to write down all the popular places you want to drop by and how you’re going to get there. A comprehensive itinerary is key to having a worry-free vacation.
What airlines fly from Dulles Intl. Airport to PHL?
If you’re after an airline company that flies direct from Sterling to Philadelphia and is rated highly by many travelers, look no further than United Airlines. They offer up to 104 services on this route each month.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with American Airlines, Delta or Frontier Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Washington Dulles Intl.
Traveling To
Philadelphia Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$159

Route Info

Flight path for flights from Washington Dulles International Airport to Philadelphia International Airport.


Origin:
IAD - Washington Dulles International Airport
Destination:
PHL - Philadelphia International Airport
Distance:
134.00 miles

Airline carriers and aircraft used on flights from IAD to PHL


Airline Carrier
Aircraft
United Airlines
Boeing 767 all pax models

Discover our best flights from Washington IAD to Philadelphia PHL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Washington IAD to Philadelphia PHL at the right price  

Airfares to Philadelphia PHL from Washington IAD currently cost between $159 and $249. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Washington IAD to Philadelphia PHL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington IAD to Philadelphia PHL on Travelocity starting at $102. Prices and availability subject to change. Additional terms may apply. 

 

Get to Philadelphia PHL from Washington IAD quicker with direct flights. 

Get to Philadelphia faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to PHL from IAD to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Washington IAD to Philadelphia PHL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to PHL from IAD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Washington IAD to Philadelphia PHL today 

If you’re flexible about when you travel, July is usually the cheapest month to fly from Washington IAD to Philadelphia PHL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Philadelphia PHL from Washington IAD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to PHL from IAD have this option.  

 

Travel with confidence when you book flights to Philadelphia PHL from Washington IAD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.