Travelling from Philadelphia to Washington Dulles International Airport (IAD): what you need to know
Start planning your vacation by checking out the ideal departure point for your flight from Philadelphia to Washington Dulles International Airport (IAD). Explore the options for leaving from Philadelphia International Airport (PHL) or Trenton-Mercer Airport (TTN), two of the city's main airports.
Book a direct flight from Philadelphia to Washington Dulles International Airport and you'll be in the air for an average of 1 hour 8 minutes.
Philadelphia and Washington DC (where Washington Dulles International Airport is located) share the UTC-4 timezone. That means you won't have to change your watch when you land.
The most popular route is from Philadelphia International Airport (PHL) to Washington Dulles International Airport (IAD), with 28 direct weekly services. If you want to get going as soon as possible, the earliest flight from PHL to IAD is the 06:00 United service. If you prefer to leave later in the day, the final departure is at 14:50 with United.
Leave plenty of time to make your flight from Philadelphia to IAD. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.
If you're getting away during a peak month like August, make your way to the airport even earlier. It's wise to arrive up to four hours before an international flight and two hours ahead of domestic departures. Check-in and security lines will be longer during high seasons like spring break and summer.
Airports in Philadelphia
Philadelphia International Airport (PHL)
Go straight to your destination from Philadelphia International Airport (PHL). Nonstop flights from Philadelphia to Washington Dulles International Airport (IAD) are available from here.
You can get away on a direct flight from Philadelphia to Washington Dulles International Airport with United. This leading airline operates departures from PHL.
PHL is about 19 kilometres from the centre of Philadelphia. To work out how to get there, use Google Maps. This handy travel app will give you the quickest route and your public transport options.
Need a convenient hotel close to Philadelphia International Airport? If you're boarding an early flight from Philadelphia to Washington Dulles International Airport, these accommodation options will have you sleeping moments from your departure lounge:
About Washington Dulles International Airport (IAD)
If you're arriving on a late flight from Philadelphia to Washington Dulles International Airport, nothing beats the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these options near IAD:
Getting from Washington Dulles International Airport (IAD) to central Washington DC
Washington Dulles International Airport is approximately 56 kilometres from the centre of Washington DC. With your own car rental or if you take a cab, the drive is around 51 minutes.
It'll take around 3 hours and 26 minutes if you're travelling on public transport.
How to find the cheapest flights from Philadelphia to Washington Dulles International Airport (IAD)
For a one-way ticket from Philadelphia to Washington Dulles International Airport, C$98 is the cheapest price. You can also book a return flight starting from C$194. These are the lowest fares right now but could change based on availability.
Book 8 months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to find flight tickets from Philadelphia to IAD.
May is the cheapest month for tickets from Philadelphia to Washington Dulles International Airport. If you'd like to travel during a different time of year, use the 'Whole month' search feature to see the lowest prices for every month.
Create a Price Alert and keep track of changes on this route through email or push notifications. We'll let you know when the fares drop. Timing is key when finding flight tickets from Philadelphia to IAD.
Take advantage of the filters to find your ideal journey. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Philadelphia to Washington Dulles International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.
The best time to fly from Philadelphia to Washington Dulles International Airport (IAD)
July is the most popular month to board a flight from Philadelphia to Washington Dulles International Airport while February is the quietest. To work out the ideal time to go to Washington DC, consider your preferred travel pace and style.
The warmest month in Washington DC is July, with temperatures ranging between 19ºC and 33ºC. Lock in your flights from Philadelphia to IAD in this month if this is the type of weather you enjoy.
Search for cheap flights from Philadelphia to Washington Dulles International Airport in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.
More about Washington DC
When it comes to searching for somewhere to rest your head, you'll find the best stays in Washington DC right here. Browse these options as soon as you've locked in your flight from Philadelphia to Washington Dulles International Airport:
One of the best ways to get a feel for Washington DC is to explore its most popular sights. Some highlights include White House Historical Association, The White House and National Mall.
Complete your Washington DC trip with a car rental
Hop behind the wheel of one of our car rentals in Washington DC and explore on your own terms. Easily compare rates from trusted rental companies in one place after booking your hotel and cheap flights from Philadelphia to Washington Dulles International Airport.
