$240 Cheap Flights from Tri-Cities (TRI) to Baton Rouge (BTR)

View $240 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Tri-Cities, TN (TRI-Tri-Cities Regional) to Baton Rouge Metropolitan Airport (BTR)

Cheap Flights from Tri-Cities to Baton Rouge (TRI-BTR)

Prices were available within the past 7 days and start at $240 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Dec 20 - Wed, Jan 7
TRI
Tri-Cities
BTR
Baton Rouge
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Dec 20 from Tri-Cities to Baton Rouge, returning Wed, Jan 7, priced at $339 found 1 day ago
Delta
Thu, Dec 25 - Wed, Jan 7
TRI
Tri-Cities
BTR
Baton Rouge
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Dec 25 from Tri-Cities to Baton Rouge, returning Wed, Jan 7, priced at $349 found 1 day ago
Delta
Mon, Dec 22 - Wed, Jan 7
TRI
Tri-Cities
BTR
Baton Rouge
$363 Roundtrip, found 1 day ago
$363
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Dec 22 from Tri-Cities to Baton Rouge, returning Wed, Jan 7, priced at $363 found 1 day ago
Delta
Sat, Dec 27 - Tue, Jan 13
TRI
Tri-Cities
BTR
Baton Rouge
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Dec 27 from Tri-Cities to Baton Rouge, returning Tue, Jan 13, priced at $369 found 1 day ago
Delta
Sun, Dec 14 - Thu, Jan 1
TRI
Tri-Cities
BTR
Baton Rouge
$373 Roundtrip, found 1 day ago
$373
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Dec 14 from Tri-Cities to Baton Rouge, returning Thu, Jan 1, priced at $373 found 1 day ago
Delta
Sat, Oct 25 - Fri, Oct 31
TRI
Tri-Cities
BTR
Baton Rouge
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Oct 25 from Tri-Cities to Baton Rouge, returning Fri, Oct 31, priced at $377 found 2 days ago
Delta
Sat, Nov 8 - Thu, Nov 27
TRI
Tri-Cities
BTR
Baton Rouge
$379 Roundtrip, found 1 day ago
$379
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Nov 8 from Tri-Cities to Baton Rouge, returning Thu, Nov 27, priced at $379 found 1 day ago
American Airlines
Fri, Dec 5 - Sun, Dec 7
TRI
Tri-Cities
BTR
Baton Rouge
$387 Roundtrip, found 2 days ago
$387
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 5 from Tri-Cities to Baton Rouge, returning Sun, Dec 7, priced at $387 found 2 days ago
American Airlines
Wed, Dec 31 - Sat, Jan 3
TRI
Tri-Cities
BTR
Baton Rouge
$391 Roundtrip, found 3 days ago
$391
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Dec 31 from Tri-Cities to Baton Rouge, returning Sat, Jan 3, priced at $391 found 3 days ago
Delta
Sun, Dec 14 - Tue, Dec 30
TRI
Tri-Cities
BTR
Baton Rouge
$393 Roundtrip, found 1 day ago
$393
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Dec 14 from Tri-Cities to Baton Rouge, returning Tue, Dec 30, priced at $393 found 1 day ago

Alternative airports near Baton Rouge

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

Select flight to Baton Rouge Metropolitan BTR. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $453
BTR
Baton Rouge Metropolitan
CheapestClosest
Average driving time to city center10 min
Flights from $453
Flights from Tri-Cities (TRI) to Baton Rouge (BTR)
Origin airport
Tri-Cities Regional
Destination airport
Baton Rouge Metropolitan
Airlines serving
American Airlines, Delta
Roundtrip price
$338
Distance
649 mi

Tri-Cities to Baton Rouge Flights

The cheapest times to fly from Tri-Cities to Baton Rouge

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

 

The best time to book a flight from Tri-Cities to Baton Rouge

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

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 Baton Rouge in 2025. You can also book with separate airlines for your outbound and return journeys, from $240 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 Baton Rouge 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 Baton Rouge 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.

 

Frequently asked questions

How much does a flight from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR) cost?
Get a cheap one-way flight from $240 or cheap return flight from $339 from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR) 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 Baton Rouge Metropolitan Airport (BTR)?
Flying in December may help you find better deals, as it's the cheapest month for flights between TRI and BTR. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR)?
To find the cheapest airline that'll fly you from TRI to BTR, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR)?
There aren't any daily nonstop flights departing from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from TRI to BTR?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR)?
To avoid possible delays on the Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Baton Rouge Metropolitan Airport (BTR) last-minute?
Waiting until just before your trip to book a flight from TRI to BTR often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a TRI to BTR flight and hotel package?
Compared with arranging flights and hotels separately, booking a TRI to BTR flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Tri-Cities Regional Airport (TRI) to Baton Rouge Metropolitan Airport (BTR)?
It's usually possible to reschedule or cancel your TRI to BTR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.