$269 Cheap Flights from Lake Charles (LCH) to Tri-Cities (TRI)

View $269 flight on Sun, Nov 16, 2025Opens in a new window

Popular airlines from Lake Charles, LA (LCH-Lake Charles Regional) to Tri-Cities, TN (TRI-Tri-Cities Regional)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Lake Charles to Tri-Cities (LCH-TRI)

Prices were available within the past 7 days and start at $269 for one-way flights and $354 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 7 - Thu, Oct 16
LCH
Lake Charles
TRI
Tri-Cities
$354 Roundtrip, found 4 days ago
$354
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 7 from Lake Charles to Tri-Cities, returning Thu, Oct 16, priced at $354 found 4 days ago
American Airlines
Tue, Oct 7 - Tue, Oct 14
LCH
Lake Charles
TRI
Tri-Cities
$364 Roundtrip, found 4 days ago
$364
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 7 from Lake Charles to Tri-Cities, returning Tue, Oct 14, priced at $364 found 4 days ago
American Airlines
Mon, Oct 6 - Tue, Oct 14
LCH
Lake Charles
TRI
Tri-Cities
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Oct 6 from Lake Charles to Tri-Cities, returning Tue, Oct 14, priced at $374 found 4 days ago
American Airlines
Tue, Oct 7 - Thu, Oct 16
LCH
Lake Charles
TRI
Tri-Cities
$384 Roundtrip, found 4 days ago
$384
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Oct 7 from Lake Charles to Tri-Cities, returning Thu, Oct 16, priced at $384 found 4 days ago
American Airlines
Fri, Aug 8 - Mon, Aug 11
LCH
Lake Charles
TRI
Tri-Cities
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 8 from Lake Charles to Tri-Cities, returning Mon, Aug 11, priced at $399 found 3 days ago
American Airlines
Wed, Oct 8 - Tue, Oct 14
LCH
Lake Charles
TRI
Tri-Cities
$424 Roundtrip, found 4 days ago
$424
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Oct 8 from Lake Charles to Tri-Cities, returning Tue, Oct 14, priced at $424 found 4 days ago
American Airlines
Fri, Aug 8 - Mon, Aug 11
LCH
Lake Charles
TRI
Tri-Cities
$434 Roundtrip, found 3 days ago
$434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 8 from Lake Charles to Tri-Cities, returning Mon, Aug 11, priced at $434 found 3 days ago
American Airlines
Thu, Jul 24 - Mon, Jul 28
LCH
Lake Charles
TRI
Tri-Cities
$439 Roundtrip, found 1 day ago
$439
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jul 24 from Lake Charles to Tri-Cities, returning Mon, Jul 28, priced at $439 found 1 day ago
American Airlines
Fri, Aug 8 - Mon, Aug 11
LCH
Lake Charles
TRI
Tri-Cities
$449 Roundtrip, found 3 days ago
$449
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 8 from Lake Charles to Tri-Cities, returning Mon, Aug 11, priced at $449 found 3 days ago
American Airlines
Fri, Aug 8 - Mon, Aug 11
LCH
Lake Charles
TRI
Tri-Cities
$469 Roundtrip, found 3 days ago
$469
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Aug 8 from Lake Charles to Tri-Cities, returning Mon, Aug 11, priced at $469 found 3 days ago
Flights from Lake Charles (LCH) to Tri-Cities (TRI)
Origin airport
Lake Charles Regional
Destination airport
Tri-Cities Regional
Roundtrip price
$354
Distance
762 mi

Frequently asked questions

How much does a flight from Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI) cost?
Discover the latest flight deals from LCH to TRI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from LCH to TRI?
The cheapest flights from LCH to TRI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from LCH to TRI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from LCH to TRI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI)?
Nonstop flights from Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LCH to TRI?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI)?
To avoid possible delays on the Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI) last-minute?
Booking your plane ticket from LCH to TRI right before your journey is generally more expensive. However, if you're flexible with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a LCH to TRI flight and hotel package?
Compared with arranging hotels and flights separately, booking a LCH to TRI flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Just secure your flights and choose from our extensive range of stays, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Lake Charles Regional Airport (LCH) to Tri-Cities Regional Airport (TRI)?
In most cases, you can reschedule or cancel your LCH to TRI flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need more details, head to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.