Cheap Flights from Washington (DCA) to Pittsburgh (AGC)

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Find available prices by choosing your travel dates.
Flights from Washington (DCA) to Pittsburgh (AGC)
Origin airport
Ronald Reagan Washington National
Destination airport
Allegheny County
Distance
185 mi

Washington to Pittsburgh Flights

The cheapest times to fly from Washington to Pittsburgh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Pittsburgh are during the month of . You can find some of the cheapest flights from Washington to Pittsburgh with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Washington to Pittsburgh

Sunday is one of the best days to book for cheap flights from Washington to Pittsburgh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Washington to Pittsburgh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Pittsburgh in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Pittsburgh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Pittsburgh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

Is it cheaper to buy a plane ticket from DCA to AGC last minute?
Booking your flight from Ronald Reagan Washington National Airport (DCA) to AGC last minute could save you dollars if you hit the jackpot and find a real steal. However, fares usually don’t get cheaper as the departure date nears. If you take a wait-and-see approach, flights could also be booked up or the best seats gone (that could mean the middle seat!). If you’d prefer to play it safe, book well ahead of the date you want to leave. In fact, you can find some of the biggest deals up to a year in advance. If your favorite carrier hasn’t released its fares yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Pittsburgh from Washington?
From Washington, you can get to Pittsburgh via Allegheny County Airport (AGC), Pittsburgh Intl. Airport (PIT) and Morgantown Municipal Airport (MGW). It’s wise to check which terminal is best for you before you make a decision. If you opt for Allegheny County Airport (AGC), it’s about 7 mi southeast of the downtown area. Use the money you save when booking your seat with Expedia to experience the city’s awesome sights, such as Duquesne Incline and Rivers Casino.
Can I change the date of my flight from National Airport to Allegheny County Airport?
Expedia makes it easy to make changes to your Ronald Reagan Washington National Airport (DCA) to Allegheny County Airport (AGC) journey yourself. Access your details via the Expedia Trips portal and click on “change flight.” Look for new flights and choose the one that works with your new plans. You’ll get an estimate of any flight change fees. You can also use our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

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*Available to One Key members.