￥63,730 Cheap Flights from Washington (IAD) to Tri-Cities (TRI)

View ￥63,730 flight on Mon, Jan 5, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ￥63,730 for one-way flights and ￥77,620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥77,620 Roundtrip, found 16 hours ago
￥77,620
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥77,620 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥77,620 Roundtrip, found 16 hours ago
￥77,620
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥77,620 found 16 hours ago
American Airlines
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥82,780 Roundtrip, found 16 hours ago
￥82,780
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥82,780 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥83,430 Roundtrip, found 16 hours ago
￥83,430
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥83,430 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥85,470 Roundtrip, found 16 hours ago
￥85,470
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥85,470 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥89,230 Roundtrip, found 16 hours ago
￥89,230
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥89,230 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥91,280 Roundtrip, found 16 hours ago
￥91,280
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥91,280 found 16 hours ago
Delta
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥93,320 Roundtrip, found 16 hours ago
￥93,320
Roundtrip
found 16 hours ago
Select Delta flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥93,320 found 16 hours ago
American Airlines
Mon, Jan 5 - Fri, Jan 9
IAD
Washington
TRI
Tri-Cities
￥121,120 Roundtrip, found 1 day ago
￥121,120
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Jan 5 from Washington to Tri-Cities, returning Fri, Jan 9, priced at ￥121,120 found 1 day ago
United
Sun, Feb 1 - Fri, Feb 6
IAD
Washington
TRI
Tri-Cities
￥141,570 Roundtrip, found 16 hours ago
￥141,570
Roundtrip
found 16 hours ago
Select United flight, departing Sun, Feb 1 from Washington to Tri-Cities, returning Fri, Feb 6, priced at ￥141,570 found 16 hours ago
Flights from Washington (IAD) to Tri-Cities (TRI)
Origin airport
Washington Dulles Intl.
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
￥77,620
Distance
512 km
Average flight time
1 hour 22 mins

Washington to Tri-Cities Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Tri-Cities.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to TRI flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to TRI with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Tri-Cities Regional Airport (TRI)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight from Dulles Intl. Airport to Tri-Cities Airport was ￥77,620. Cheap fares don't hang around, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Tri-Cities Regional Airport (TRI)?
This can differ between air carriers, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel online.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Tri-Cities Airport that have flexible change policies?
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 Washington Dulles Intl. Airport (IAD) to Tri-Cities Regional Airport (TRI) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Washington Dulles Intl. Airport (IAD) to TRI?
Lasting around 3 hours and 48 minutes, the flight between Dulles Intl. Airport and Tri-Cities Regional Airport (TRI) is a great opportunity to do some last-minute planning. How about using the time to work on your itinerary for Blountville?
How far is the flight from IAD to Tri-Cities Regional Airport (TRI)?
A flight distance of just 520 kilometers separates Chantilly and Blountville. Once you're in the air, you won't get a chance to do much more than browse the magazine in your seat-back pocket.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to TRI?
Flying directly between Dulles Intl. Airport and TRI isn't possible right now. However, you'll still be able to find a flight to Blountville with at least one stop.
Are Washington Dulles Intl. Airport (IAD) to Tri-Cities Regional Airport (TRI) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally score a bargain, with some super cheap fares from Washington Dulles Intl. Airport (IAD) to Tri-Cities Regional Airport (TRI) surfacing a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.

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