A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

CA $112 Cheap Flights from Pittsburgh (PIT) to Washington (IAD)

View CA $112 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines from Pittsburgh International Airport (PIT) to Washington Dulles International Airport (IAD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Pittsburgh (PIT) to Washington (IAD)

Prices were available within the past 7 days and start at CA $112 for one-way flights and CA $294 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southern Airways Express
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $294 Roundtrip, found 1 hour ago
CA $294
Roundtrip
found 1 hour ago
Select Southern Airways Express flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $294 found 1 hour ago
Southern Airways Express
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $299 Roundtrip, found 1 hour ago
CA $299
Roundtrip
found 1 hour ago
Select Southern Airways Express flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $299 found 1 hour ago
Alaska Airlines
Thu, Oct 22 - Sun, Oct 25
PIT
Pittsburgh
IAD
Washington
CA $732 Roundtrip, found 5 days ago
CA $732
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Oct 22 from Pittsburgh to Washington, returning Sun, Oct 25, priced at CA $732 found 5 days ago
Alaska Airlines
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $811 Roundtrip, found 1 hour ago
CA $811
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $811 found 1 hour ago
Southern Airways Express
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $823 Roundtrip, found 1 hour ago
CA $823
Roundtrip
found 1 hour ago
Select Southern Airways Express flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $823 found 1 hour ago
Southern Airways Express
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $835 Roundtrip, found 1 hour ago
CA $835
Roundtrip
found 1 hour ago
Select Southern Airways Express flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $835 found 1 hour ago
Alaska Airlines
Fri, Oct 9 - Sun, Oct 18
PIT
Pittsburgh
IAD
Washington
CA $1,340 Roundtrip, found 1 hour ago
CA $1,340
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Oct 9 from Pittsburgh to Washington, returning Sun, Oct 18, priced at CA $1,340 found 1 hour ago

Frequently asked questions

How much does a flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
One-way flights typically cost between £115 and £443 and return flights often range between £115 and £443. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
January is typically the cheapest month to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares of approximately £182. This is about 5% lower than the average price throughout the year. January often sees lower prices as it falls after the busy holiday season, when travel demand tends to decrease. Other cheap months to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) include April and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter PIT to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Pittsburgh, PA (PIT-Pittsburgh Intl.) (PIT) to Washington, DC (IAD-Washington Dulles Intl.) (IAD) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. DL offers the most daily flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) (PIT) to Washington, DC (IAD-Washington Dulles Intl.) (IAD), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Based on booking data from the past year, the cheapest months to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are typically January and September, with average return flights around £182. However, the most popular months for this route are December and July. Since there isn't an overlap between the cheapest and most popular months, you'll need to decide what's most important for your trip. If saving money is your priority, aim for January or September. If you prefer to travel when there are plenty of flight options and a lively atmosphere, December and July might be better, though you can expect to pay a bit more.*Prices based on flights available on Expedia in the last year.
How many flights per day from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 5 nonstop flights per day from Pittsburgh Intl. (PIT) to Washington Dulles Intl. (IAD). For even more choice, look at flights that include layovers, as there are around 30 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Detroit Metropolitan Wayne County (DTW), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Pittsburgh Intl. (PIT) to Washington Dulles Intl. (IAD) on a Thursday, with around 27 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, United Airlines, and American Airlines. Flight schedules are consistent throughout the week, so you'll find a good selection of flights on most days.
What are the most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the early morning, from 6am to 9am. About 32% of passengers prefer this time. Many major carriers, including Delta, United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Washington, DC with plenty of time for your activities.
How long does it take to fly from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A nonstop flight from PIT to IAD typically takes around 1 hour 20 minutes, covering approximately 183 miles. Connecting flights on this route usually add 2 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for PIT to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Pittsburgh Intl. (PIT)?
From Pittsburgh Intl. (PIT), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like Nashville Intl. (BNA), Charlotte-Douglas Intl. (CLT), Midway Intl. (MDW) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Pittsburgh, PA (PIT-Pittsburgh Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Pittsburgh Intl.
Destination airport
Washington Dulles Intl.
Roundtrip price
CA $294
Distance
293 km
Average flight time
1 hour 13 mins

Book with confidence

Pittsburgh to Chantilly Flights

The easy way to book your flights from Pittsburgh to Washington 

With Expedia, it’s simple to find and book flights to Washington from Pittsburgh whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Washington Dulles Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Pittsburgh to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from Pittsburgh Intl., PIT to Washington Dulles Intl., IAD 

Sort your search results by price to find great deals on your flight from Pittsburgh to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Pittsburgh currently is just CA $294 rising to CA $1,340.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from Pittsburgh 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

Pittsburgh to Chantilly Flights

Explore a world of travel with Expedia

*Available to Expedia members.