Cheap Flights from Washington Dulles to Pittsburgh International

Compare Washington Dulles to Pittsburgh International flight deals

Find the cheapest month or even day of the year to fly to Pittsburgh International

Book the best Pittsburgh International fare with no extra fees

Flight deals from Washington Dulles to Pittsburgh International

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Pittsburgh International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Pittsburgh International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Pittsburgh International flights are currently cheapest in August.

Direct flights from Washington Dulles to Pittsburgh International

Washington Dulles to Pittsburgh International: Alternative routes

Compare routes from Washington Dulles to Pittsburgh below. You may find an airport to fly into that's cheaper, faster, or easier than Pittsburgh International.

Washington D.C. to Pittsburgh: Flight information

The things to know before you go.
Cheapest flight foundRs25,034
Cheapest month to flyOctober
Average flight time1 hr, 7 mins
Most popular airlineUnited
Average flights per week97

Finding cheap flights from Washington Dulles to Pittsburgh International: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Pittsburgh International is Rs50,060. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 7 minutes is the average flight time from Washington Dulles to Pittsburgh International.
United, Republic Airways and Lufthansa fly direct from Washington Dulles to Pittsburgh International.
As of July 2025, there are 97 flights per week flying from Washington Dulles to Pittsburgh International.
The cheapest month to fly from Washington Dulles to Pittsburgh International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Pittsburgh International Airport on Tuesday, 5 August 2025.
Yes – the average flight time is 1 hour and 7 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Pittsburgh International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Pittsburgh is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to Pittsburgh International.

Flying from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT): what you need to know

  • Book a direct flight from Washington Dulles International Airport to Pittsburgh International Airport and you'll be in the air for an average of 1 hour 5 minutes.

  • Pittsburgh's timezone is UTC-4, which is the same as Washington DC.

  • You can choose from 40 weekly Washington Dulles International Airport to Pittsburgh International Airport flights. The 08:25 departure with United Airlines is the earliest available. United Airlines operates the latest service of the day at 22:22.

  • Your IAD to PIT flight won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Be prepared for longer queues in popular months like April. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • United Airlines offers direct flights from Washington Dulles International Airport to Pittsburgh International Airport. Book with this popular carrier, then get ready to discover the sights in Pittsburgh — and maybe even more of United States if you have time.

  • United Airlines is the airline with the highest passenger demand for this route.

  • United Airlines is the most punctual carrier operating IAD to PIT flights. A reliable 80.58% of its services on this route land as scheduled.

  • Consider adding a stopover when booking your ticket from Washington Dulles International Airport to Pittsburgh International Airport. Simply deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Check out these options between IAD and PIT:

    • Philadelphia International Airport

    • Detroit Metropolitan Wayne County Airport

    • Raleigh-Durham International Airport

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT)

  • The cheapest price we've found for a one-way Washington Dulles International Airport to Pittsburgh International Airport flight is Rs25,034. A return ticket right now is Rs50,060. Depending on the availability when you book, these fares could change.

  • Book six months before travelling. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from IAD to PIT.

  • The cheapest month for flights from Washington Dulles International Airport to Pittsburgh International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from IAD to PIT.

  • Secure the right flight for you by using the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Washington Dulles International Airport to Pittsburgh International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Washington Dulles International Airport (IAD)

  • IAD's address is 1 Saarinen Circle.

  • Of all flights leaving Washington Dulles International Airport, 74.39% arrive as scheduled at their destination.

  • Central Washington DC to Washington Dulles International Airport is around 56 kilometres. Depending on traffic, it'll take about 50 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of roughly 3 hours 25 minutes when using public transport.

  • Searching for a convenient hotel close to IAD? If you've booked an early flight from Washington Dulles International Airport to Pittsburgh International Airport, these accommodation options will have you moments from your departure gate:

Arriving at Pittsburgh International Airport (PIT)

Getting from Pittsburgh International Airport (PIT) to central Pittsburgh

  • The street address for PIT is 1000 Airport Boulevard.

  • Pittsburgh International Airport to the centre of Pittsburgh has a drive time of around 25 minutes. It's approximately 27 kilometres away.

When to fly to Pittsburgh International Airport (PIT)

  • It's time to plan your travel dates for your flight from Washington Dulles International Airport to Pittsburgh International Airport. July is the busiest month to head to Pittsburgh. If you're after a more low-key vibe, go in April.

  • When reserving your flight from Washington Dulles International Airport to Pittsburgh International Airport, consider the kind of weather you like. July is the warmest month in Pittsburgh, with the temperature ranging from 15ºC to 31ºC.

  • January has average temperatures of between -10ºC and 6ºC. Look for cheap tickets from IAD to PIT sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • Philadelphia is just one of the many places in United States waiting to be explored after you've seen Pittsburgh. Around 418 kilometres away to the east, top sights here include Liberty Bell, Independence Hall and Philadelphia Museum of Art.

  • Columbus is another essential stop in United States and is around 257 kilometres west of Pittsburgh. No trip is complete without seeing Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.