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£69 Cheap Flights from Washington (IAD) to Pittsburgh (PIT)

View £69 flight on Thu, 29 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £69 for one-way flights and £137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southern Airways Express
Thu, 29 Oct - Thu, 5 Nov
IAD
Washington
PIT
Pittsburgh
£137 Return, found 2 hours ago
£137
Return
found 2 hours ago
Select Southern Airways Express flight, departing Thu, 29 Oct from Washington to Pittsburgh, returning Thu, 5 Nov, priced at £137 found 2 hours ago
Southern Airways Express
Thu, 29 Oct - Thu, 5 Nov
IAD
Washington
PIT
Pittsburgh
£176 Return, found 2 hours ago
£176
Return
found 2 hours ago
Select Southern Airways Express flight, departing Thu, 29 Oct from Washington to Pittsburgh, returning Thu, 5 Nov, priced at £176 found 2 hours ago
Southern Airways Express
Thu, 24 Sept - Wed, 30 Sept
IAD
Washington
PIT
Pittsburgh
£195 Return, found 1 day ago
£195
Return
found 1 day ago
Select Southern Airways Express flight, departing Thu, 24 Sept from Washington to Pittsburgh, returning Wed, 30 Sept, priced at £195 found 1 day ago
Southern Airways Express
Thu, 29 Oct - Thu, 5 Nov
IAD
Washington
PIT
Pittsburgh
£216 Return, found 2 hours ago
£216
Return
found 2 hours ago
Select Southern Airways Express flight, departing Thu, 29 Oct from Washington to Pittsburgh, returning Thu, 5 Nov, priced at £216 found 2 hours ago
Southern Airways Express
Thu, 24 Sept - Wed, 30 Sept
IAD
Washington
PIT
Pittsburgh
£234 Return, found 1 day ago
£234
Return
found 1 day ago
Select Southern Airways Express flight, departing Thu, 24 Sept from Washington to Pittsburgh, returning Wed, 30 Sept, priced at £234 found 1 day ago
Alaska Airlines
Wed, 7 Oct - Mon, 12 Oct
IAD
Washington
PIT
Pittsburgh
£422 Return, found 6 days ago
£422
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 7 Oct from Washington to Pittsburgh, returning Mon, 12 Oct, priced at £422 found 6 days ago
Southern Airways Express
Wed, 14 Oct - Wed, 21 Oct
IAD
Washington
PIT
Pittsburgh
£429 Return, found 2 days ago
£429
Return
found 2 days ago
Select Southern Airways Express flight, departing Wed, 14 Oct from Washington to Pittsburgh, returning Wed, 21 Oct, priced at £429 found 2 days ago
Southern Airways Express
Sat, 17 Oct - Tue, 20 Oct
IAD
Washington
PIT
Pittsburgh
£430 Return, found 6 days ago
£430
Return
found 6 days ago
Select Southern Airways Express flight, departing Sat, 17 Oct from Washington to Pittsburgh, returning Tue, 20 Oct, priced at £430 found 6 days ago
Alaska Airlines
Thu, 29 Oct - Thu, 5 Nov
IAD
Washington
PIT
Pittsburgh
£444 Return, found 2 hours ago
£444
Return
found 2 hours ago
Select Alaska Airlines flight, departing Thu, 29 Oct from Washington to Pittsburgh, returning Thu, 5 Nov, priced at £444 found 2 hours ago
Alaska Airlines
Wed, 14 Oct - Wed, 21 Oct
IAD
Washington
PIT
Pittsburgh
£447 Return, found 2 days ago
£447
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 14 Oct from Washington to Pittsburgh, returning Wed, 21 Oct, priced at £447 found 2 days ago

Alternative airports near Pittsburgh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pittsburgh Intl. PIT. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from £137
PIT
Pittsburgh Intl.
Cheapest
Average driving time to city centre24 min
Flights from £137

Find the cheapest month to fly from Washington (IAD) to Pittsburgh (PIT)

December is typically the cheapest month to fly

From £86 - £385 per traveller.

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) cost?
You can find cheap one-way flights from £69 and cheap return flights from £137 IAD to PIT with Expedia. One-way flights typically cost between £135 and £577. 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 IAD to PIT ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
June is typically the cheapest month to fly from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT), with average return fares around £182. June often sees lower prices as it can be a shoulder season before the peak summer travel, or due to specific airline promotions. Other cheap months to fly from Washington Dulles International Airport (IAD) to Pittsburgh International Airport (PIT) include July and October.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
Only one airline offers direct flights from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT). United operates 32 direct flights from IAD to PIT every week.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh 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 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Delta offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.), which is great 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 Washington, DC (IAD) to Pittsburgh, PA (PIT)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
You'll find approximately 4 nonstop flights per day from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT). For even more choices, look at flights that include layovers, as there are around 23 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT), and Detroit Metropolitan Wayne County (DTW).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT) typically departs around 5:00 AM. This flight is operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of 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 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
You'll find the most flights from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT) on a Friday, with around 23 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta, United, and American Airlines. Fridays tend to have notably more flight options compared to other days of the week, making it a popular choice for travellers.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) are in the morning, from 6am to 9am. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travellers prefer this time as it allows for an early start to their day in Pittsburgh.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
A non-stop flight from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT) typically takes around 1 hour 18 minutes, covering a distance of approximately 295 kilometers. If you opt for a one-stop flight, the journey will take longer, usually around 4 hours 18 minutes. Flights with two or more stops will extend your travel time even further, to about 8 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
You can fly business class or first class between IAD and PIT. First class cabins are available on Alaska Airlines, Delta, American Airlines, and United.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh 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 Pittsburgh, PA (PIT) from Washington, DC (IAD)?
If you're planning to travel to Pittsburgh from Washington Dulles Intl. (IAD), you can fly directly into Pittsburgh Intl. (PIT). Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Logan Intl. (BOS), or Detroit Metropolitan Wayne County (DTW) before reaching Pittsburgh. 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 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh 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 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh 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 Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Pittsburgh, PA (PIT-Pittsburgh 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
Washington Dulles Intl.
Destination airport
Pittsburgh Intl.
Airlines serving
Alaska Airlines, Southern Airways Express
Return price
£136
Distance
293 km
Average flight time
1 hour 9 mins

Book with confidence

Compare flights from Washington to Pittsburgh easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Pittsburgh. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Pittsburgh Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Pittsburgh Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Pittsburgh Intl. (PIT)

The easiest way to view the best deals on flights from Washington to Pittsburgh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Pittsburgh Intl. start at just £137 and range up to £447.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Pittsburgh
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Pittsburgh flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Pittsburgh Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Pittsburgh easily and book with confidence

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*Available to Expedia members.