$259 Cheap Flights from Tri-Cities (TRI) to Houston (IAH)

View $259 flight on Mon, Sep 14, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $259 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Apr 9 - Sat, Apr 18
TRI
Tri-Cities
IAH
Houston
$249 Roundtrip, found 4 hours ago
$249
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Apr 9 from Tri-Cities to Houston, returning Sat, Apr 18, priced at $249 found 4 hours ago
American Airlines
Wed, Apr 15 - Wed, Apr 22
TRI
Tri-Cities
IAH
Houston
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 15 from Tri-Cities to Houston, returning Wed, Apr 22, priced at $260 found 1 day ago
Delta
Thu, Apr 9 - Sat, Apr 18
TRI
Tri-Cities
IAH
Houston
$269 Roundtrip, found 4 hours ago
$269
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Apr 9 from Tri-Cities to Houston, returning Sat, Apr 18, priced at $269 found 4 hours ago
American Airlines
Wed, Apr 15 - Wed, Apr 22
TRI
Tri-Cities
IAH
Houston
$271 Roundtrip, found 1 day ago
$271
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 15 from Tri-Cities to Houston, returning Wed, Apr 22, priced at $271 found 1 day ago
American Airlines
Fri, Apr 17 - Fri, Apr 24
TRI
Tri-Cities
IAH
Houston
$274 Roundtrip, found 1 day ago
$274
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Apr 17 from Tri-Cities to Houston, returning Fri, Apr 24, priced at $274 found 1 day ago
American Airlines
Thu, Nov 12 - Mon, Nov 16
TRI
Tri-Cities
IAH
Houston
$289 Roundtrip, found 12 hours ago
$289
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Thu, Nov 12 from Tri-Cities to Houston, returning Mon, Nov 16, priced at $289 found 12 hours ago
American Airlines
Fri, Apr 17 - Fri, Apr 24
TRI
Tri-Cities
IAH
Houston
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Apr 17 from Tri-Cities to Houston, returning Fri, Apr 24, priced at $294 found 1 day ago
Delta
Thu, Oct 29 - Mon, Nov 2
TRI
Tri-Cities
IAH
Houston
$304 Roundtrip, found 2 days ago
$304
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Oct 29 from Tri-Cities to Houston, returning Mon, Nov 2, priced at $304 found 2 days ago
Delta
Sat, Mar 28 - Wed, Apr 1
TRI
Tri-Cities
IAH
Houston
$314 Roundtrip, found 4 days ago
$314
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Mar 28 from Tri-Cities to Houston, returning Wed, Apr 1, priced at $314 found 4 days ago
United
Sat, Oct 17 - Thu, Oct 22
TRI
Tri-Cities
IAH
Houston
$325 Roundtrip, found 4 days ago
$325
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 17 from Tri-Cities to Houston, returning Thu, Oct 22, priced at $325 found 4 days ago

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From $228 - $930 per traveler.

Frequently asked questions

How much does a flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from $259 and cheap return flights from $249 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) with Expedia. One-way flights generally range between $315 and $800, and roundtrip flights usually range from $394 to $1346. 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
February is the cheapest month to fly from Tri-Cities, TN (TRI) to Houston, TX (IAH), with average return fares around $349. This fare is about 18% lower than the average price throughout the year, as demand tends to drop after the holiday season. Other affordable months to consider are January and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
Enter TRI to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
American Airlines is one of the cheapest airlines offering connecting flights from Tri-Cities (TRI) to Houston (IAH), with round-trip tickets starting from around $700. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental), 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly from Tri-Cities, TN (TRI) to Houston, TX (IAH) is typically in February or March. During these months, you can find return flights at around $349, making it a budget-friendly option. February is particularly appealing as it falls outside the peak travel season, allowing for lower fares and a more relaxed travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from TRI to IAH. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from Tri-Cities, TN (TRI) to Houston, TX (IAH) are from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including Delta Air Lines, American Airlines, and Delta Air Lines, offer flights during this window. This timing works well for travelers looking to maximize their day in Houston.
How long does it take to fly from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
Flights from TRI to IAH with one stop typically take around 5 hours 50 minutes, covering approximately 871 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
First class seats are offered on the TRI to IAH route with Delta Air Lines and American Airlines.
How do I earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) 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 Houston from Tri-Cities Regional (TRI)?
From Tri-Cities Regional (TRI), you can fly into George Bush Intercontinental (IAH) and William P. Hobby (HOU) in Houston. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT), Dallas-Fort Worth Intl. (DFW) before reaching Houston. 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) Houston Vacation Packages 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 Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your Tri-Cities, TN (TRI-Tri-Cities Regional) to Houston, TX (IAH-George Bush Intercontinental) 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
Tri-Cities Regional
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta
Roundtrip price
$248
Distance
870 mi

Book with confidence

Tri-Cities to Houston Flights

The cheapest times to fly from Tri-Cities to Houston

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

 

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

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

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 Houston in 2026. You can also book with separate airlines for your outbound and return journeys, from $259 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 Houston 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 Houston 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 Houston Flights

*Flight schedules are subject to change.

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*Available to One Key members.