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127 € Cheap Flights from Pittsburgh International to Washington Dulles

Compare Pittsburgh International to Washington Dulles flight deals

Find the cheapest month or even day of the year to fly to Washington Dulles

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Flight deals from Pittsburgh International Airport to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Pittsburgh International Airport to Washington Dulles Airport? If you want to travel next month, return fares start from 127 €. Find the lowest prices on one-way and return tickets right here.
Washington D.C..127 € per passenger.Departing Sun, 19 Apr, returning Sun, 26 Apr.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Sun, 19 Apr, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Sun, 26 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From 127 €, select.
Washington D.C..128 € per passenger.Departing Mon, 23 Mar, returning Thu, 26 Mar.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Mon, 23 Mar, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Thu, 26 Mar, arriving in Pittsburgh International.Price includes taxes and charges.From 128 €, select.
Washington D.C..129 € per passenger.Departing Fri, 1 May, returning Sun, 3 May.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Fri, 1 May, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Sun, 3 May, arriving in Pittsburgh International.Price includes taxes and charges.From 129 €, select.
Washington D.C..148 € per passenger.Departing Mon, 13 Jul, returning Fri, 24 Jul.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Mon, 13 Jul, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Fri, 24 Jul, arriving in Pittsburgh International.Price includes taxes and charges.From 148 €, select.
Washington D.C..148 € per passenger.Departing Mon, 10 Aug, returning Fri, 21 Aug.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Mon, 10 Aug, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Fri, 21 Aug, arriving in Pittsburgh International.Price includes taxes and charges.From 148 €, select.
Washington D.C..148 € per passenger.Departing Mon, 8 Jun, returning Fri, 19 Jun.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Mon, 8 Jun, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Fri, 19 Jun, arriving in Pittsburgh International.Price includes taxes and charges.From 148 €, select.
Washington D.C..165 € per passenger.Departing Wed, 6 May, returning Fri, 8 May.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Wed, 6 May, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 8 May, arriving in Pittsburgh International.Price includes taxes and charges.From 165 €, select.
Washington D.C..171 € per passenger.Departing Mon, 10 Aug, returning Fri, 21 Aug.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Mon, 10 Aug, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 21 Aug, arriving in Pittsburgh International.Price includes taxes and charges.From 171 €, select.
Washington D.C..171 € per passenger.Departing Mon, 13 Jul, returning Fri, 24 Jul.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Mon, 13 Jul, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 24 Jul, arriving in Pittsburgh International.Price includes taxes and charges.From 171 €, select.
Washington D.C..171 € per passenger.Departing Fri, 17 Apr, returning Sun, 19 Apr.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Fri, 17 Apr, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sun, 19 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From 171 €, select.
Washington D.C..171 € per passenger.Departing Mon, 8 Jun, returning Fri, 19 Jun.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Mon, 8 Jun, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Fri, 19 Jun, arriving in Pittsburgh International.Price includes taxes and charges.From 171 €, select.
Washington D.C..172 € per passenger.Departing Sat, 17 Oct, returning Thu, 22 Oct.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Sat, 17 Oct, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Thu, 22 Oct, arriving in Pittsburgh International.Price includes taxes and charges.From 172 €, select.
Washington D.C..172 € per passenger.Departing Fri, 27 Mar, returning Mon, 30 Mar.Return flight with United.Outbound direct flight with United departs from Pittsburgh International on Fri, 27 Mar, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Mon, 30 Mar, arriving in Pittsburgh International.Price includes taxes and charges.From 172 €, select.
Washington D.C..188 € per passenger.Departing Thu, 30 Apr, returning Sat, 2 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Thu, 30 Apr, arriving in Washington Dulles.Inbound indirect flight with Delta, departs from Washington Dulles on Sat, 2 May, arriving in Pittsburgh International.Price includes taxes and charges.From 188 €, select.
Washington D.C..216 € per passenger.Departing Sat, 7 Mar, returning Fri, 1 May.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Sat, 7 Mar, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Fri, 1 May, arriving in Pittsburgh International.Price includes taxes and charges.From 216 €, select.
Washington D.C..234 € per passenger.Departing Sat, 7 Mar, returning Thu, 2 Apr.Return flight with Southern Airways Express.Outbound indirect flight with Southern Airways Express, departs from Pittsburgh International on Sat, 7 Mar, arriving in Washington Dulles.Inbound indirect flight with Southern Airways Express, departs from Washington Dulles on Thu, 2 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From 234 €, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pittsburgh International to Washington Dulles flights are currently cheapest in April.
Mar
from 128 €
Apr
from 127 €
May
from 129 €
Jun
from 148 €
Jul
from 148 €
Aug
from 148 €
Sep
from 380 €
Oct
from 172 €
Nov
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Dec
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Jan
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Feb
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Direct flights from Pittsburgh International to Washington Dulles

Pittsburgh International to Washington Dulles: Alternative routes

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

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from 188 €
Search flights

Camp Springs Andrews AFB

17km from central Washington D.C.
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from 127 €
Search flights

Baltimore Washington International

44km from central Washington D.C.
from 148 €
Search flights

Manassas

47km from central Washington D.C.
Search flights

Pittsburgh to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found127 €
Cheapest month to flyApril
Average flight time1 hr, 11 mins
Most popular airlineUnited
Average flights per week150

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

The best price we found for a return flight from Pittsburgh International to Washington Dulles is 127 €. 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 11 minutes is the average flight time from Pittsburgh International to Washington Dulles.
United, Republic Airways and Mesa Airlines fly direct from Pittsburgh International to Washington Dulles.
As of March 2026, there are 150 flights per week flying from Pittsburgh International to Washington Dulles.
The cheapest month to fly from Pittsburgh International to Washington Dulles is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to Washington Dulles Airport on Sunday, 19 April 2026.
Yes – the average flight time is 1 hour and 11 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 Washington Dulles 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 Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southern Airways Express and United offer the cheapest flight tickets to Washington Dulles.

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

  • Hop on a direct flight from Pittsburgh International Airport to Washington Dulles International Airport and you'll be travelling for an average of 1 hour 10 minutes.

  • Pittsburgh and Washington DC are in the same timezone, UTC-4.

  • Take your pick of 40 weekly Pittsburgh International Airport to Washington Dulles International Airport flights. The 06:10 departure with United Airlines is the earliest flight you can take. United Airlines operates the last service of the day at 20:10.

  • Your PIT to IAD flight won't wait if you're 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 bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • Flying into Washington DC (and then exploring more of United States!) is a cinch with United Airlines. This popular carrier offers direct flights from Pittsburgh International Airport to Washington Dulles International Airport.

  • The majority of travellers choose to travel with United Airlines on this route.

  • With 79.23% of its services landing as planned, United Airlines is the most punctual carrier offering PIT to IAD flights.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from Pittsburgh International Airport to Washington Dulles International Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to explore your chosen city. Stopovers between PIT and IAD include:

    • Philadelphia International Airport

    • Pearson International Airport

    • LaGuardia Airport

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

  • Right now, 59 € is the cheapest price we've seen for a one-way Pittsburgh International Airport to Washington Dulles International Airport flight. The best price for a return ticket is 127 €. Remember that fares can change due to availability at the time of booking.

  • To secure cheap tickets from PIT to IAD, reserve your trip six months before your departure.

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

  • Finding cheap flights from PIT to IAD couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Pittsburgh International Airport to Washington Dulles International Airport.

Handy information about Pittsburgh International Airport (PIT)

  • You'll find PIT at 1000 Airport Boulevard.

  • Of the departures from Pittsburgh International Airport, 76.88% arrive on time at their destination.

  • Pittsburgh International Airport is around 27 kilometres from central Pittsburgh. If you're ride-sharing, catching a cab or driving from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • Searching for a convenient hotel close to PIT? If you're boarding an early flight from Pittsburgh International Airport to Washington Dulles International Airport, these stays will have you sleeping moments from your departure gate:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • You'll find IAD at 1 Saarinen Circle.

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 50 minutes to reach the centre by car.

  • If you're taking public transport, expect a journey time of roughly 3 hours 25 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Pittsburgh International Airport to Washington Dulles International Airport is January, while April is the busiest. Choose the ideal time to go to Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • When booking your flight from Pittsburgh International Airport to Washington Dulles International Airport, think about the type of weather you enjoy. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Look for cheap tickets from PIT to IAD sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • New York is just one of the many cities in United States waiting to be explored after you've experienced Washington DC. Around 322 kilometres away to the north-east, popular attractions include Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another standout destination in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without seeing Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Plan the rest of your trip from Pittsburgh to Washington D.C.

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