Search & Compare - Philadelphia to Washington Flights & Tickets

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Cheap flights from Philadelphia to Washington (PHL to IAD)

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.

Recent airfare deals on Philadelphia to Washington

United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 203

One-way UA Nonstop fare found on 2025-05-24
American Airlines  AA
American Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 239

One-way AA fare found on 2025-05-24
American Airlines  AA
American Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 239

One-way AA fare found on 2025-05-24
American Airlines  AA
American Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 279

One-way AA fare found on 2025-05-24
United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 326

One-way UA Nonstop fare found on 2025-05-24
United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 326

One-way UA Nonstop fare found on 2025-05-24
United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 366

One-way UA Nonstop fare found on 2025-05-24
United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 608

One-way UA Nonstop fare found on 2025-05-24
United Airlines  UA
United Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 688

One-way UA Nonstop fare found on 2025-05-24
Delta Airlines  DL
Delta Airlines
Philadelphia
2025-05-30
Washington
2025-06-06
USD 1480

One-way DL fare found on 2025-05-24


*Prices are per person and are for e-tickets and include all taxes & fees in USD.
*Fareleaders always attempts to get accurate pricing, however, prices are not guaranteed.
*Fareleaders is not seller, we aggregate tones of data for you from other online travel agencies and external sources.

Facts to know while booking flights from Philadelphia to Washington

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 American Airlines, United Airlines, Delta Airlines
Can I fly from PHL to IAD non-stop?
Yes, you can fly PHL to IAD non-stop on United Airlines
Which airlines fly nonstop between Philadelphia and Washington?
The non-stop flights between Philadelphia and Washington are United Airlines.
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?
Oneworld, Star Alliance, SkyTeam 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 Delta Airlines : USD 1480
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 6:40 pm

Essential Information for Booking Flights from Philadelphia to Washington - AI Insights

What's the cheapest airline from phl to iad?
Frontier Airlines (F9), offers the most affordable flights from Philadelphia International (PHL) to Washington Dulles International (IAD) for one passenger traveling in Economy class.
What's the popular airline to fly from phl to iad?
United Airlines (UA) offers popular routes from Philadelphia International (PHL) to Washington Dulles International (IAD), with a round-trip fare for one passenger in Economy.
What's the cheapest day of the week to fly from phl to iad?
Sunday is the cheapest day to fly from Philadelphia to Washington Dulles.
What's the cheapest month to fly from phl to iad?
April offers the most affordable airfares from Philadelphia to Washington Dulles.
What is Frontier Airlines known for?
Frontier Airlines is a low-cost airline that specializes in budget-friendly airfare, offering a wide network of routes and flexible ticket options.
Which airline offers the lowest fares on flights from Philadelphia to Washington Dulles?
United Airlines (UA) typically offers the lowest fares on flights from Philadelphia to Washington Dulles International Airport.
What month generally provides the most affordable airline tickets?
April is generally considered the month with the most affordable airline tickets for travel from Philadelphia to Washington Dulles International Airport.
How many passengers are typically traveling on a one-way economy flight from Philadelphia to Washington Dulles?
One-way economy flights typically accommodate 1 passenger.
What is the typical departure time for flights from Philadelphia to Washington Dulles?
Departure times vary, but flights often depart in the morning or early afternoon.

Flights from Philadelphia to Washington

Origin AirportPhiladelphia International , Philadelphia, US
Destination AirportWashington Dulles International , Washington, US
Served by AirlinesAmerican Airlines, United Airlines, Delta Airlines
Lowest PriceDelta Airlines : USD 1480
Distance135 miles

Airlines Flying from Philadelphia International

Popular Routes

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