Cheap Flight Tickets from Washington (IAD) to Philadelphia (PHL), Starting at $129

Good to Know: Cheapest and Fastest IAD - PHL Flights

Useful information for finding best airline tickets from Washington Dulles International to Philadelphia International on your next trip.

Cheapest Round Trip Flight

$378

AA American Airlines • 1 stop • 7h 16m

Oct 21 – Oct 24

The cheapest round trip flight from Washington to Philadelphia (IAD-PHL-IAD) is currently $378

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Cheapest Direct Flight

$129

UA United Airlines • nonstop • 3h 35m

Oct 21

The cheapest nonstop flight from Washington to Philadelphia (IAD-PHL) is currently $129

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Fastest Flight

1h 48m

The fastest nonstop flight from Washington to Philadelphia (IAD-PHL) takes 1h 48m

Top Airlines Flying from Washington to Philadelphia

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Turkish Airlines - TK

Turkish Airlines

United Airlines, UA

United Airlines

Latest Flight Deals from Washington (IAD) to Philadelphia (PHL)

Compare and book low fare round-trip air tickets from Washington to Philadelphia. Ideal for travelers with confirmed return itineraries.

Oct 21 - Oct 24, Economy
AA
Washington → Philadelphia
7h 16m
5:01 AM - 9:37 AM • 1 stop
AA
Washington → Philadelphia
5h 57m
2:48 PM - 6:45 PM • 1 stop
$378
American Airlines
Oct 21 - Oct 24, Economy
AA
Washington → Philadelphia
10h 29m
6:15 AM - 12:44 PM • 1 stop
AA
Washington → Philadelphia
6h 56m
8:35 AM - 12:51 PM • 1 stop
$378
American Airlines
Oct 21 - Oct 24, Economy
AA
Washington → Philadelphia
8h 44m
6:15 AM - 11:39 AM • 1 stop
AA
Washington → Philadelphia
7h 3m
7:35 PM - 11:58 PM • 1 stop
$378
American Airlines
Oct 21 - Oct 24, Economy
AA
Washington → Philadelphia
8h 22m
7:15 PM - 12:17 AM • 1 stop
AA
Washington → Philadelphia
7h 3m
7:35 PM - 11:58 PM • 1 stop
$378
American Airlines
Oct 21 - Oct 24, Economy
DL
Washington → Philadelphia
16h 45m
8:13 AM - 6:18 PM • 1 stop
DL
Washington → Philadelphia
13h 58m
12:09 PM - 8:14 PM • 1 stop
$742
Delta Airlines
Oct 21 - Oct 24, Economy
DL
Washington → Philadelphia
20h 29m
12:27 PM - 12:56 AM • 1 stop
DL
Washington → Philadelphia
13h 40m
8:50 AM - 5:10 PM • 1 stop
$742
Delta Airlines

Fly from Washington to Philadelphia with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Washington to Philadelphia? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Washington to Philadelphia Flights

What are the airports in Washington?
IAD,BWI,DCA
What’s the most popular airline flying from IAD to PHL?
The most popular airline flying from Washington to Philadelphia are
Can I fly from IAD to PHL non-stop?
Yes, you can fly IAD to PHL non-stop on
Which airlines fly nonstop between Washington and Philadelphia?
The non-stop flights between Washington and Philadelphia are .
What’s the earliest departure time from IAD to PHL Airport?
The earliest flight leaves IAD at 5:01 am and lands in PHL - Philadelphia International
What are the airports in Philadelphia?
PHL
Can I make changes to my Washington to Philadelphia flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAD to PHL?
Read the fare rules of the Washington to Philadelphia air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Washington and Philadelphia?
operate flights between Washington and Philadelphia
How long does a flight from Washington to Philadelphia take?
It takes approximately 1 hour to fly non-stop from IAD to PHL, which is 134.68 miles by air.
Which airlines provide the cheapest flights from Washington (IAD) to Philadelphia (PHL) ?
In the past couple of days, the cheapest tickets to PHL from IAD were found on AA : USD 378
Do I need a passport to fly between IAD and PHL?
No
What’s the latest departure time from IAD to PHL ?
The last flight leaves IAD at 10:16 pm

Washington (IAD) to Philadelphia (PHL): Airport Information

Origin Airport Washington Dulles International , Washington, US
Destination Airport Philadelphia International , Philadelphia, US
Distance 135 miles

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