₹25,456 Cheap Flights from Tri-Cities (TRI) to Washington (IAD)

The lowest price advertised for a round-trip flight between Tri-Cities Regional Airport (TRI) and Washington Dulles Intl. Airport (IAD) is . But you better act quick. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for TRI to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.

It's just 520 kilometres between Blountville and Chantilly. Chances are you'll spend more time travelling to and from the airport than actually flying!

Flying directly between TRI and Dulles Intl. Airport isn't possible at the moment. However, you'll still be able to book a flight to Chantilly with at least one stop.

Flight prices are always on the move, so there are no guarantees. While last-minute deals between Tri-Cities Airport and Dulles Intl. Airport are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers publish their prices up to 12 months prior to the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking and be ready to grab your seat when fare prices drop.