Cheap Flight Tickets from Philadelphia (PHL) to Washington (IAD), Starting at $329

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

$329

UA United Airlines • nonstop •

Aug 03 – Aug 10

The cheapest round trip flight from Philadelphia to Washington (PHL-IAD-PHL) is currently $329

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Cheapest Direct Flight

$329

UA United Airlines • nonstop •

Aug 03

The cheapest nonstop flight from Philadelphia to Washington (PHL-IAD) is currently $329

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Fastest Flight

8h 30m

The fastest nonstop flight from Philadelphia to Washington (PHL-IAD) takes 8h 30m

Top Airlines Flying from Philadelphia to Washington

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

WestJet Airlines

WestJet Airlines

American Airlines, AA

American Airlines

Aeromexico Airline (AM)

Aeromexico

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 03 - Aug 10, Economy
UA
Philadelphia → Washington
- • nonstop
UA
Philadelphia → Washington
- • nonstop
$329
United Airlines
Aug 03 - Aug 10, Economy
AA
Philadelphia → Washington
8h 30m
4:55 PM - 10:05 PM • 1 stop
AA
Philadelphia → Washington
10h 6m
5:34 PM - 11:40 PM • 1 stop
$452
American Airlines
Aug 03 - Aug 10, Economy
AA
Philadelphia → Washington
9h 11m
1:49 PM - 7:40 PM • 1 stop
AA
Philadelphia → Washington
10h 6m
5:34 PM - 11:40 PM • 1 stop
$467
American Airlines
Aug 03 - Aug 10, Economy
F9
Philadelphia → Washington
37h 9m
6:11 PM - 4:40 PM • 2 stops
F9
Philadelphia → Washington
38h 24m
6:09 PM - 5:13 PM • 1 stop
$608
Frontier Airlines
Aug 03 - Aug 10, Economy
DL
Philadelphia → Washington
23h 28m
8:15 PM - 10:23 AM • 1 stop
DL
Philadelphia → Washington
25h 23m
5:25 PM - 8:48 AM • 1 stop
$1042
Delta Airlines
Aug 03 - Aug 10, Economy
AA
Philadelphia → Washington
10h 59m
3:06 PM - 10:05 PM • 2 stops
9X
Philadelphia → Washington
16h 58m
8:25 AM - 6:43 PM • 2 stops
$1309
American 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 1:49 pm 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 452
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 7:4500 pm

Essential Information for Booking Flights from Philadelphia (PHL) - AI Insights

What's the cheapest airline from phl to iad?
You can find budget-friendly flights from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) on airlines such as United Airlines. Low fares are available when booking in advance, ideally 59 days prior to your trip. For a one-way ticket, you can expect to pay around $X for an Economy cabin class flight.
What's the popular airline to fly from phl to iad?
You can fly from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAA) on American Airlines (AA). American Airlines offers flights from PHL to IAD, making it a convenient option for your one-way trip. Please note that the cabin class is not specified, so you may want to check with the airline for more information.
What's the cheapest day of the week to fly from phl to iad?
The cheapest day to fly from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) is Sunday. Flying on Sundays can result in lower airfares, making it a budget-friendly option for your trip.
What's the cheapest month to fly from phl to iad?
The cheapest month to fly from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) is December. Flying during this time can help you secure a budget-friendly flight.
Which airline/airlines fly from phl to iad?
The airlines that fly from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) include Volaris Airline, Delta Airlines, Allegiant, American Airlines, JetBlue Airways, WestJet Airlines, United Airlines, and Frontier Airlines.
What is the cheapest airfare from Philadelphia International Airport to Washington Dulles International Airport?
The cheapest airfare from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD) can be found on United Airlines (UA), with prices starting from $150. Book your flight today and enjoy a comfortable journey!
How far in advance can I book my one-way economy flight?
According to our data, it is recommended to book your one-way economy flight at least 59 days in advance to secure the best fares. Don\u2019t miss out on this opportunity to save!
Can I find cheap flights on your website for July travel?
Yes, you can definitely find affordable flights on our website for July travel. Our airline partners offer special deals and discounts during this time. Check our website now and start planning your trip!
Is there an agency that specializes in finding the best fares for my trip?
Our team of experts at FareLeaders is dedicated to helping you find the cheapest airfares for your next trip. We offer a wide range of services, including fare comparison and booking. Let us help you save!
Do you offer any busco or looking deals on airfares?
Yes, we do! Our website features exclusive busco and looking deals on airfares that can help you save even more money. Check our website now and start exploring these amazing offers!

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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