$189 Cheap Flights from Houston (IAH) to Tri-Cities (TRI)

View $189 flight on Sat, Feb 14, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Cheap Flights from Houston to Tri-Cities (IAH-TRI)

Prices were available within the past 7 days and start at $189 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 10 - Sat, Dec 13
IAH
Houston
TRI
Tri-Cities
$231 Roundtrip, found 2 hours ago
$231
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Houston to Tri-Cities, returning Sat, Dec 13, priced at $231 found 2 hours ago
Delta
Tue, May 5 - Sat, May 9
IAH
Houston
TRI
Tri-Cities
$231 Roundtrip, just found
$231
Roundtrip
just found
Select Delta flight, departing Tue, May 5 from Houston to Tri-Cities, returning Sat, May 9, priced at $231 just found
Delta
Sat, Jan 31 - Sun, Feb 15
IAH
Houston
TRI
Tri-Cities
$251 Roundtrip, found 5 days ago
$251
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 31 from Houston to Tri-Cities, returning Sun, Feb 15, priced at $251 found 5 days ago
Delta
Mon, Dec 8 - Sat, Dec 13
IAH
Houston
TRI
Tri-Cities
$260 Roundtrip, just found
$260
Roundtrip
just found
Select Delta flight, departing Mon, Dec 8 from Houston to Tri-Cities, returning Sat, Dec 13, priced at $260 just found
Delta
Wed, May 6 - Sat, May 9
IAH
Houston
TRI
Tri-Cities
$265 Roundtrip, just found
$265
Roundtrip
just found
Select Delta flight, departing Wed, May 6 from Houston to Tri-Cities, returning Sat, May 9, priced at $265 just found
Delta
Sun, Feb 15 - Sat, Feb 28
IAH
Houston
TRI
Tri-Cities
$275 Roundtrip, found 1 hour ago
$275
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Feb 15 from Houston to Tri-Cities, returning Sat, Feb 28, priced at $275 found 1 hour ago
Delta
Fri, Nov 28 - Wed, Dec 3
IAH
Houston
TRI
Tri-Cities
$280 Roundtrip, just found
$280
Roundtrip
just found
Select Delta flight, departing Fri, Nov 28 from Houston to Tri-Cities, returning Wed, Dec 3, priced at $280 just found
American Airlines
Wed, Dec 10 - Sat, Dec 13
IAH
Houston
TRI
Tri-Cities
$288 Roundtrip, found 2 hours ago
$288
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Houston to Tri-Cities, returning Sat, Dec 13, priced at $288 found 2 hours ago
American Airlines
Thu, Dec 11 - Mon, Dec 15
IAH
Houston
TRI
Tri-Cities
$289 Roundtrip, just found
$289
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 11 from Houston to Tri-Cities, returning Mon, Dec 15, priced at $289 just found
Delta
Wed, Apr 15 - Thu, Apr 30
IAH
Houston
TRI
Tri-Cities
$294 Roundtrip, found 8 hours ago
$294
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Apr 15 from Houston to Tri-Cities, returning Thu, Apr 30, priced at $294 found 8 hours ago

Find the cheapest month to fly from Houston (IAH) to Blountville (TRI)

November is typically the cheapest month to fly

From $228 - $676 per traveler.

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 $677
TRI
Tri-Cities Regional
Cheapest
Flights from $677

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI) cost?
Get a cheap one-way flight from $189 or cheap return flight from $231 from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI) 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 George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI)?
The cheapest month to fly from IAH to TRI is December, when demand is low. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI)?
To find the cheapest airline that'll fly you from IAH to TRI, 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 George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI)?
You'll need to take a flight with a layover if you're traveling from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IAH to TRI?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI)?
To touch down at Tri-Cities Regional Airport (TRI) without delays, opt for a flight that leaves George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI) last-minute?
Last-minute bookings from IAH to TRI are typically more expensive. To secure the best rates, start looking for flights well in advance. That being said, if your travel plans are flexible, it's possible to find a cheap fare right before your journey.
Is it cheaper to book an IAH to TRI flight and hotel package?
You'll typically save money by booking an IAH to TRI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your ideal flights and accommodations, you can add extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Tri-Cities Regional Airport (TRI)?
If you booked your IAH to TRI flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Tri-Cities Regional
Airlines serving
American Airlines, Delta
Roundtrip price
$230
Distance
870 mi

Book with confidence

Houston to Tri-Cities Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Houston 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 Houston 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 Houston to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from $189 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 Houston 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 Houston 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.

 

Houston to Tri-Cities Flights

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*Available to One Key members.