$132 Cheap American Airlines flights Pittsburgh (PIT) to Washington (IAD)

Scoring cheap one-way American Airlines flights from PIT to IAD from $132 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our affordable return fares from $201 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to travel to Washington with American Airlines. You could also find excellent prices on one-way and round-trip fares in February.

Start searching one to three months ahead of your departure date to score cheap fares on American Airlines flights from Pittsburgh Intl. Airport (PIT) to Washington Dulles Intl. Airport (IAD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To find out if there’s a direct trip from PIT to IAD with American Airlines or another airline, check the “Nonstop” box when browsing for tickets.

Sort your results by “Early Morning” and “Morning” to find the earliest flights from PIT to IAD. Setting off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Hop on an American Airlines flight from Pittsburgh Intl. Airport (PIT) to Washington, and you’ll probably arrive at Washington Dulles Intl. Airport (IAD). This is the airline’s primary hub in this destination.

Changes are often free within 24 hours of making your booking, but your airline may charge a fee after that time. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without extra charges, apply the “No cancel fee” or “Changes included” filter when organizing your next adventure.