Cheap Flights from Houston to Tri-Cities

Compare Houston to Tri-Cities flight deals

Find the cheapest month or even day of the year to fly to Tri-Cities

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Flight deals from Houston to Tri-Cities Airport

Looking for a cheap last-minute deal or the best return flight from Houston to Tri-Cities Airport? If you want to travel next month, return fares start from Rs61,461. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Tri-Cities

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Tri-Cities flights are currently cheapest in April.

Houston to Tri-Cities: Alternative routes

Compare routes from Houston to Kingsport below. You may find an airport to fly into that's cheaper, faster, or easier than Tri-Cities.

Houston to Kingsport: Flight information

The things to know before you go.
Cheapest flight foundRs26,141
Cheapest month to flyApril

Finding cheap flights from Houston to Tri-Cities: Frequently asked questions

The best price we found for a return flight from Houston to Tri-Cities is Rs61,461. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Houston to Tri-Cities. But we found flights with one stop from Rs61,461.
As of March 2026, there are no flights flying from Houston to Tri-Cities.
The cheapest month to fly from Houston to Tri-Cities is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Tri-Cities Airport on Thursday, 16 April 2026.
No airlines currently offer direct flights between Houston and Tri-Cities Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Tri-Cities but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kingsport is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Tri-Cities is Frontier Airlines .

Travelling from Houston to Tri-Cities Regional Airport (TRI): What you need to know

  • Your trip gets off the ground at one of Houston's main airports, George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU). Check out your options for booking a flight from Houston to Tri-Cities Regional Airport (TRI) leaving from either of these bases.

  • Tri-Cities Regional Airport is located in Kingsport. The city operates on the UTC-4 timezone and is one hour ahead of Houston.

  • Leave enough time to get on your flight from Houston to TRI. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a major holiday or other peak period, give yourself extra time. Arrive two hours before domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

About Tri-Cities Regional Airport (TRI)

How to find the cheapest flights from Houston to Tri-Cities Regional Airport (TRI)

  • The cheapest price we've found for a one-way ticket from Houston to Tri-Cities Regional Airport is Rs26,141. For a return flight on this route, the best price is Rs61,461. Depending on when and how early you book, these fares can change.

  • Booking early is often the key to scoring a cheap flight from Houston to TRI. Fares tend to rise as seats fill up, so the closer you get to departure, the more expensive your ticket may be.

  • If you have some flexibility with your travel dates, try using the 'Whole month' search tool. It'll give you the lowest price in each month when searching for your Houston to Tri-Cities Regional Airport ticket.

  • You don't need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment a lower fare pops up on flight tickets from Houston to TRI.

  • Filters make it easier to find a bargain for your flight from Houston to Tri-Cities Regional Airport. Choose the departure times, carriers and stops that look good to you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Houston to Tri-Cities Regional Airport (TRI)

  • Think about the kind of holiday you want when picking your flight dates. February is the quietest month to visit Kingsport. July is when most people book flights from Houston to Tri-Cities Regional Airport (TRI), which may be perfect if you're after more action.

  • The warmest month in Kingsport is July, with temperatures ranging between 16ºC and 31ºC. Lock in your Houston to TRI flight ticket then if this is the type of weather you enjoy.

  • If you like travelling in cooler conditions, search for a cheap ticket from Houston to Tri-Cities Regional Airport in January when temperatures are between -7ºC and 10ºC.

More about Kingsport

  • When it comes to searching for somewhere to lay your head, you'll find the best places to stay in Kingsport right here. Browse these hotels once you've booked your flight from Houston to Tri-Cities Regional Airport:

  • Your Kingsport trip should come with a side of sightseeing. Top attractions that are worth your time include Foot Bridge - Lakeside Trail, Mountain Music Museum and Allandale Mansion.

Explore more of the United States

  • Charlotte is just one of the many cities in the United States waiting to be discovered after you've experienced Kingsport. Around 193 kilometres away to the south-east, top sights here include Bechtler Museum of Modern Art, Discovery Place and NASCAR Hall of Fame.

  • Next up? Set out for Ironville. It's around 225 kilometres north of Kingsport and is known for highlights like Hoods creek cemetery.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.