Cheap Flight Tickets from Philadelphia (PHL) to Washington (IAD), Starting at $425

Good to Know: Cheapest and Fastest PHL - IAD Flights

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

Cheapest Round Trip Flight

$425

UA United Airlines • nonstop • 1h 49m

Aug 25 – Sep 01

The cheapest round trip flight from Philadelphia to Washington (PHL-IAD-PHL) is currently $425

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Cheapest Direct Flight

$425

UA United Airlines • nonstop • 1h 49m

Aug 25

The cheapest nonstop flight from Philadelphia to Washington (PHL-IAD) is currently $425

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Fastest Flight

1h 49m

The fastest nonstop flight from Philadelphia to Washington (PHL-IAD) takes 1h 49m

Top Airlines Flying from Philadelphia to Washington

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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

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

Aug 25 - Sep 01, Economy
UA
Philadelphia → Washington
1h 49m
10:30 AM - 11:39 AM • nonstop
UA
Philadelphia → Washington
1h 56m
1:05 PM - 2:21 PM • nonstop
$425
United Airlines
Aug 25 - Sep 01, Economy
AA
Philadelphia → Washington
9h 19m
4:56 PM - 10:55 PM • 1 stop
AA
Philadelphia → Washington
5h 56m
6:10 AM - 10:06 AM • 1 stop
$444
American Airlines
Aug 25 - Sep 01, Economy
AA
Philadelphia → Washington
6h 53m
8:35 AM - 12:48 PM • 1 stop
AA
Philadelphia → Washington
7h 28m
7:57 AM - 12:45 PM • 1 stop
$444
American Airlines
Aug 25 - Sep 01, Economy
AA
Philadelphia → Washington
10h 34m
10:30 AM - 5:04 PM • 1 stop
AA
Philadelphia → Washington
7h 26m
6:10 AM - 10:56 AM • 1 stop
$444
American Airlines
Aug 25 - Sep 01, Economy
AA
Philadelphia → Washington
5h 57m
6:00 AM - 9:57 AM • 1 stop
AA
Philadelphia → Washington
7h 28m
7:57 AM - 12:45 PM • 1 stop
$483
American Airlines
Aug 25 - Sep 01, Economy
DL
Philadelphia → Washington
17h 13m
6:05 AM - 4:38 PM • 1 stop
DL
Philadelphia → Washington
17h 3m
6:10 AM - 4:33 PM • 1 stop
$822
Delta Airlines

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

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

FAQs on Philadelphia to Washington Flights

What are the airports in Philadelphia?
PHL
What’s the most popular airline flying from PHL to IAD?
The most popular airline flying from Philadelphia to Washington are
Can I fly from PHL to IAD non-stop?
Yes, you can fly PHL to IAD non-stop on
Which airlines fly nonstop between Philadelphia and Washington?
The non-stop flights between Philadelphia and Washington are .
What’s the earliest departure time from PHL to IAD Airport?
The earliest flight leaves PHL at 6:00 am and lands in IAD - Washington Dulles International
What are the airports in Washington?
IAD,BWI,DCA
Can I make changes to my Philadelphia to Washington 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 PHL to IAD?
Read the fare rules of the Philadelphia to Washington 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 Philadelphia and Washington?
operate flights between Philadelphia and Washington
How long does a flight from Philadelphia to Washington take?
It takes approximately 1 hour to fly non-stop from PHL to IAD, which is 134.68 miles by air.
Which airlines provide the cheapest flights from Philadelphia (PHL) to Washington (IAD) ?
In the past couple of days, the cheapest tickets to IAD from PHL were found on AA : USD 444
Do I need a passport to fly between PHL and IAD?
No
What’s the latest departure time from PHL to IAD ?
The last flight leaves PHL at 7:40 pm

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

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

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