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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
$489
United Airlines
• nonstop
• 56m
Oct 04 – Oct 11
The cheapest round trip flight from Philadelphia to Washington (PHL-IAD-PHL) is currently $489
Cheapest Direct Flight
$151
American Airlines
• nonstop
• 1h 52m
Oct 04
The cheapest nonstop flight from Philadelphia to Washington (PHL-IAD) is currently $151
Fastest Flight
56m
The fastest nonstop flight from Philadelphia to Washington (PHL-IAD) takes 56m
Top Airlines Flying from Philadelphia to Washington
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.
Oct 04 - Oct 11, Economy
Philadelphia → Washington
56m
10:40 AM - 11:36 AM • nonstop
Philadelphia → Washington
1h 55m
1:05 PM - 2:20 PM • nonstop
United Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
10h 49m
4:59 PM - 11:48 PM • 1 stop
Philadelphia → Washington
10h 38m
5:01 AM - 11:39 AM • 1 stop
American Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
6h 48m
7:40 PM - 11:48 PM • 1 stop
Philadelphia → Washington
7h 16m
5:01 AM - 9:37 AM • 1 stop
American Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
7h 31m
3:52 PM - 8:43 PM • 1 stop
Philadelphia → Washington
10h 29m
6:15 AM - 12:44 PM • 1 stop
American Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
18h 50m
12:40 PM - 12:10 AM • 1 stop
Philadelphia → Washington
25h 53m
7:50 AM - 11:43 PM • 1 stop
Frontier Airlines
Looking for the fastest way to Washington? These direct flight options from PHL to IAD offer both convenience and value—no layovers, just straight to your destination.
Oct 04 - Oct 11, Economy
Philadelphia → Washington
1h 52m
- • nonstop
Philadelphia → Washington
1h 48m
- • nonstop
American Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
56m
10:40 AM - 11:36 AM • nonstop
Philadelphia → Washington
1h 55m
1:05 PM - 2:20 PM • nonstop
United Airlines
Oct 04 - Oct 11, Economy
Philadelphia → Washington
1h 59m
7:30 PM - 8:49 PM • nonstop
Philadelphia → Washington
1h 54m
10:16 PM - 11:30 PM • nonstop
United Airlines
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 8:41 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 544
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 3:4100 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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