Cheap Flights from Tri-Cities (TRI) to Washington (IAD)

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Washington Dulles Intl. Airport (IAD)

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Frequently asked questions

Is it cheaper to buy a plane ticket from Tri-Cities Regional Airport (TRI) to IAD last minute?
When it comes to booking your flights, being organized pays off. While you may be able to score a deal on a Tri-Cities Airport to Dulles Intl. Airport flight at the last minute, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to lock in a domestic flight is between 28 – 35 days ahead. For international flights it's three to four months.
What airports do you fly into for Washington from Blountville?
Washington Dulles Intl. Airport (IAD), Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are your choices when heading off from Blountville to Washington. Around 40 kilometers west of the heart of Washington, Washington Dulles Intl. Airport (IAD) is the city's principal entry point. Think about things like flight departure and arrival times and the distance to your hotel before you select an airport. White House and United States Capitol are a couple of top attractions to put on your itinerary when you arrive at your destination.
Can I change the date of my flight from Tri-Cities Regional Airport (TRI) to Washington Dulles Intl. Airport (IAD)?
It's easy to make amendments to your TRI to Washington Dulles Intl. Airport (IAD) journey yourself. Just go to the Expedia Trips portal and click on "change flight." Search for new flights and lock in the one that better suits your plans. You'll see an estimate of your flight change cost, if applicable. Alternatively, visit our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Washington Dulles Intl.
Distance
512 km
Average flight time
1 hour 25 mins

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