$207 Cheap Flights from Washington (DCA) to Tri-Cities (TRI)

View $207 flight on Tue, Jun 30, 2026Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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

Prices were available within the past 7 days and start at $207 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, May 29 - Mon, Jun 1
DCA
Washington
TRI
Tri-Cities
$299 Roundtrip, found 13 hours ago
$299
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Fri, May 29 from Washington to Tri-Cities, returning Mon, Jun 1, priced at $299 found 13 hours ago
Delta
Fri, May 29 - Mon, Jun 1
DCA
Washington
TRI
Tri-Cities
$299 Roundtrip, found 13 hours ago
$299
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, May 29 from Washington to Tri-Cities, returning Mon, Jun 1, priced at $299 found 13 hours ago
American Airlines
Wed, May 20 - Wed, May 27
DCA
Washington
TRI
Tri-Cities
$304 Roundtrip, found 1 day ago
$304
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, May 20 from Washington to Tri-Cities, returning Wed, May 27, priced at $304 found 1 day ago
American Airlines
Sat, Aug 8 - Mon, Aug 10
DCA
Washington
TRI
Tri-Cities
$309 Roundtrip, found 2 days ago
$309
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 8 from Washington to Tri-Cities, returning Mon, Aug 10, priced at $309 found 2 days ago
Delta
Sat, Aug 8 - Mon, Aug 10
DCA
Washington
TRI
Tri-Cities
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Aug 8 from Washington to Tri-Cities, returning Mon, Aug 10, priced at $314 found 2 days ago
Delta
Wed, May 20 - Sat, May 23
DCA
Washington
TRI
Tri-Cities
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 20 from Washington to Tri-Cities, returning Sat, May 23, priced at $319 found 2 days ago
American Airlines
Sat, Aug 8 - Mon, Aug 10
DCA
Washington
TRI
Tri-Cities
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 8 from Washington to Tri-Cities, returning Mon, Aug 10, priced at $329 found 2 days ago
American Airlines
Tue, Jun 30 - Tue, Jul 14
DCA
Washington
TRI
Tri-Cities
$337 Roundtrip, found 6 days ago
$337
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Jun 30 from Washington to Tri-Cities, returning Tue, Jul 14, priced at $337 found 6 days ago
Delta
Wed, May 20 - Sat, May 23
DCA
Washington
TRI
Tri-Cities
$339 Roundtrip, found 2 days ago
$339
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, May 20 from Washington to Tri-Cities, returning Sat, May 23, priced at $339 found 2 days ago
American Airlines
Tue, May 19 - Tue, May 26
DCA
Washington
TRI
Tri-Cities
$344 Roundtrip, found 2 days ago
$344
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, May 19 from Washington to Tri-Cities, returning Tue, May 26, priced at $344 found 2 days ago

Alternative airports near Blountville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities Regional TRI. Cheapest option available. Flights from $537
TRI
Tri-Cities Regional
Cheapest
Flights from $537

Frequently asked questions

How much does a flight from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) cost?
You can find cheap one-way flights from $207 and cheap return flights from $299 Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) with Expedia. One-way flights usually range from $139 to $675, and return flights typically cost between $332 and $1243. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The cheapest month to fly from DCA to TRI is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Enter DCA to TRI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
To find a cheap flight from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
The earliest flight from Washington, DC (DCA) to Tri-Cities (TRI) typically departs at around 5:00 AM, operated by American Airlines. This service is seasonal and active in April and May, providing a good option for travelers during the spring. An early flight can help you maximize your time in Tri-Cities. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
For flights from Ronald Reagan Washington National Airport (DCA) to Tri-Cities Regional Airport (TRI), the most popular departure times are from 6am to 9am. About 45% of passengers prefer this time window. Delta Air Lines and American Airlines are among the carriers offering flights during this time. This timing is popular because it allows you to arrive in Tri-Cities early in the day.
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
Flying from DCA to TRI with a connection usually takes about 4 hours, traveling roughly 336 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
First class seats are offered on the DCA to TRI route with Delta Air Lines.
How do I earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight with Expedia?
It's easy to earn miles on a Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tri-Cities from Ronald Reagan Washington National (DCA)?
From Ronald Reagan Washington National (DCA), you can fly into Tri-Cities Regional (TRI) to reach Tri-Cities. Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), Orlando Intl. (MCO) before reaching Tri-Cities. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) at the last minute?
Typically, booking a last minute flight from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package?
Securing a Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional)?
If you booked your Washington, DC (DCA-Ronald Reagan Washington National) to Tri-Cities, TN (TRI-Tri-Cities Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$298
Distance
335 mi

Book with confidence

Washington to Tri-Cities Flights

The cheapest times to fly from Washington to Tri-Cities

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 Tri-Cities are during the month of May. You can find some of the cheapest flights from Washington to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Tri-Cities

Sunday is one of the best days to book for cheap flights from Washington to Tri-Cities: 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 Tri-Cities

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 Tri-Cities in 2026. You can also book with separate airlines for your outbound and return journeys, from $207 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 Tri-Cities 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 Tri-Cities 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.

 

Washington to Tri-Cities Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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