$186 Cheap Flights from Tri-Cities (TRI) to Washington (DCA)

View $186 flight on Tue, Dec 30, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $186 for one-way flights and $201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Feb 4 - Wed, Feb 11
TRI
Tri-Cities
DCA
Washington
$201 Roundtrip, found 1 day ago
$201
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Feb 4 from Tri-Cities to Washington, returning Wed, Feb 11, priced at $201 found 1 day ago
American Airlines
Wed, Jan 7 - Mon, Jan 12
TRI
Tri-Cities
DCA
Washington
$235 Roundtrip, found 5 days ago
$235
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jan 7 from Tri-Cities to Washington, returning Mon, Jan 12, priced at $235 found 5 days ago
Delta
Wed, Jan 7 - Mon, Jan 12
TRI
Tri-Cities
DCA
Washington
$245 Roundtrip, found 5 days ago
$245
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 7 from Tri-Cities to Washington, returning Mon, Jan 12, priced at $245 found 5 days ago
American Airlines
Wed, Jan 7 - Sat, Jan 10
TRI
Tri-Cities
DCA
Washington
$261 Roundtrip, found 5 days ago
$261
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Jan 7 from Tri-Cities to Washington, returning Sat, Jan 10, priced at $261 found 5 days ago
Delta
Fri, Jan 16 - Tue, Feb 3
TRI
Tri-Cities
DCA
Washington
$264 Roundtrip, found 2 days ago
$264
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jan 16 from Tri-Cities to Washington, returning Tue, Feb 3, priced at $264 found 2 days ago
Delta
Fri, Jul 3 - Mon, Jul 6
TRI
Tri-Cities
DCA
Washington
$269 Roundtrip, found 19 hours ago
$269
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Tri-Cities to Washington, returning Mon, Jul 6, priced at $269 found 19 hours ago
American Airlines
Mon, Nov 10 - Mon, Nov 17
TRI
Tri-Cities
DCA
Washington
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 10 from Tri-Cities to Washington, returning Mon, Nov 17, priced at $274 found 1 day ago
American Airlines
Fri, Nov 7 - Sun, Nov 9
TRI
Tri-Cities
DCA
Washington
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Nov 7 from Tri-Cities to Washington, returning Sun, Nov 9, priced at $279 found 4 days ago
American Airlines
Tue, Nov 11 - Tue, Nov 18
TRI
Tri-Cities
DCA
Washington
$284 Roundtrip, found 19 hours ago
$284
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Tri-Cities to Washington, returning Tue, Nov 18, priced at $284 found 19 hours ago
Delta
Fri, Aug 7 - Tue, Aug 11
TRI
Tri-Cities
DCA
Washington
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Aug 7 from Tri-Cities to Washington, returning Tue, Aug 11, priced at $288 found 2 days ago

Alternative airports near Washington

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $397
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $397
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $284
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $284

Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA) cost?
Lock in a cheap one-way flight from $186 or cheap return flight from $201 from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA)?
The cheapest month to fly from TRI to DCA is February, when demand is low. Off-peak months are usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA)?
To find the cheapest airline flying from TRI to DCA, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA)?
You'll need to book a flight with a layover when traveling from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from TRI to DCA?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from TRI to DCA?
With 100% of journeys typically arriving on schedule, American Airlines has the best on-time performance for direct flights from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA). To check your flight status and get notifications if anything changes, use the Expedia App.
What is the best time to fly from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA)?
To reach Ronald Reagan Washington National Airport (DCA) on time, opt for a flight that leaves from Tri-Cities Regional Airport (TRI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your flight from TRI to DCA shortly before your trip is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a TRI to DCA flight and hotel package?
Compared with arranging flights and hotels separately, booking a TRI to DCA flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place takes the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Ronald Reagan Washington National Airport (DCA)?
You can usually cancel or reschedule your TRI to DCA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Tri-Cities Regional
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta
Roundtrip price
$200
Distance
335 mi

Book with confidence

Tri-Cities to Washington Flights

The cheapest times to fly from Tri-Cities to Washington

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

 

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

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

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 Tri-Cities to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 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 Tri-Cities to Washington 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 Tri-Cities to Washington 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.

 

Tri-Cities to Washington Flights

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*Available to One Key members.