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Cheap Flights from Knoxville (TYS) to Houston (HOUA)

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Flight deals from Knoxville to Houston

Looking for a cheap last-minute deal or the best return flight from Knoxville to Houston? Find the lowest prices on one-way and return tickets right here.
Houston.$128 per passenger.Departing Mon, 7 Jul, returning Fri, 18 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 7 Jul, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 18 Jul, arriving in Knoxville.Price includes taxes and charges.From $128, select.
Houston.$128 per passenger.Departing Mon, 23 Jun, returning Mon, 7 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 23 Jun, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 7 Jul, arriving in Knoxville.Price includes taxes and charges.From $128, select.
Houston.$128 per passenger.Departing Fri, 30 May, returning Fri, 6 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 30 May, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 6 Jun, arriving in Knoxville.Price includes taxes and charges.From $128, select.
Houston.$137 per passenger.Departing Mon, 23 Jun, returning Fri, 27 Jun.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 23 Jun, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 27 Jun, arriving in Knoxville.Price includes taxes and charges.From $137, select.
Houston.$170 per passenger.Departing Fri, 23 May, returning Mon, 26 May.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 23 May, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 26 May, arriving in Knoxville.Price includes taxes and charges.From $170, select.
Houston.$325 per passenger.Departing Sat, 11 Oct, returning Mon, 13 Oct.Return flight with United.Outbound direct flight with United departs from Knoxville on Sat, 11 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 13 Oct, arriving in Knoxville.Price includes taxes and charges.From $325, select.
Houston.$325 per passenger.Departing Fri, 31 Oct, returning Mon, 3 Nov.Return flight with United.Outbound direct flight with United departs from Knoxville on Fri, 31 Oct, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 3 Nov, arriving in Knoxville.Price includes taxes and charges.From $325, select.
Houston.$682 per passenger.Departing Wed, 14 Jan, returning Mon, 19 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Knoxville on Wed, 14 Jan, arriving in Houston Hobby.Inbound indirect flight with Delta, departs from Houston Hobby on Mon, 19 Jan, arriving in Knoxville.Price includes taxes and charges.From $682, select.

Find the cheapest month to fly from Knoxville to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Knoxville to Houston flights are currently cheapest in July.
May
from $170
Jun
from $137
Jul
from $128
Aug
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Sep
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Oct
from $325
Nov
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Dec
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Jan
from $682
Feb
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Mar
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Apr
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Direct flights from Knoxville to Houston

Alternative Knoxville to Houston routes

Looking for the cheapest, fastest or easiest route from Knoxville to Houston? You could fly into the following airports instead.

Knoxville to Houston: Flight information

The things to know before you go.
Cheapest flight found$128
Cheapest month to flyJune
Average flight time2 hrs, 25 mins
Most popular airlineUnited
Average flights per week77

Finding cheap flights from Knoxville to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Knoxville to Houston is $128. 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.
2 hours and 24 minutes is the average flight time from Knoxville to Houston.
United, CommutAir and Air New Zealand fly direct from Knoxville to Houston.
As of May 2025, there are 154 flights per week flying from Knoxville to Houston.
The cheapest month to fly from Knoxville to Houston is usually May 2025.
If you're flying from Knoxville Airport, the cheapest airport near Houston is Houston Hobby – which is 15.5 km away from the centre of Houston. We've found flights into this airport from $128.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Houston on Monday, 23 June 2025.
Yes – the average flight time is 2 hours and 24 minutes.
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 Houston 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 Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 25°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Allegiant Air offers the cheapest flight tickets to Houston.

Flying from McGhee Tyson Airport (TYS) to Houston: what you need to know

  • Hop on a direct flight from McGhee Tyson Airport to Houston and you'll be travelling for an average of 2 hours 15 minutes.

  • The timezone in Houston is UTC-5. The city is one hour behind Knoxville, where McGhee Tyson Airport is located.

  • The most popular route is from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH). You can select from 28 weekly services between these two airports. If you want to get on your way as soon as possible, the earliest flight from TYS to IAH is the 07:00 United Airlines service. If you prefer to leave later in the day, the last departure is at 17:20 with United Airlines.

  • Give yourself plenty of time to make your TYS to Houston flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Planning to travel during a peak period like public or school holidays? Expect longer lines at check-in and security. To play it safe, arrive up to four hours before international flights and two hours before domestic departures.

  • Begin your journey at TYS and travel straight to George Bush Intercontinental Airport (IAH). That's where you can expect to touch down when searching for McGhee Tyson Airport to Houston tickets.

  • Check out the offers from United Airlines. This airline has direct flights from McGhee Tyson Airport to Houston.

  • TYS is about 18 kilometres from central Knoxville. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Searching for a hotel close to TYS? If you're boarding an early flight from McGhee Tyson Airport to Houston, these accommodation options set you up for a seamless send-off:

  • When it comes to the on-time performance of McGhee Tyson Airport, 78.98% of flights arrive within the expected time frame.

  • The address for TYS is 2055 Alcoa Highway.

How to find the cheapest flights from McGhee Tyson Airport (TYS) to Houston

  • $64 is the cheapest price we've seen for a one-way McGhee Tyson Airport to Houston flight. A return flight ticket right now is $128. Depending on the availability when you book, these fares can change.

  • Lock in cheap flights from TYS to Houston by booking one month ahead. Based on our research, that's the best time for bagging a bargain.

  • The best month for picking up cheap McGhee Tyson Airport to Houston tickets is May. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.

  • Snapping up a cheap flight from TYS to Houston is a breeze with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch as soon as a better deal is available.

  • Save on your flight from McGhee Tyson Airport to Houston with the help of our filters. Select your ideal duration, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • The centre of Houston is around 19 kilometres from William P. Hobby Airport (HOU). Once your flight from McGhee Tyson Airport to Houston has touched down and you've made your way out of the airport, the drive should take about 20 minutes.

  • If you travel by public transport, the ride to the centre will take you 1 hour 40 minutes or so.

  • Hang up the 'Do not disturb' sign and relax at a hotel near HOU. Here are a few options where you can take a load off after your TYS to Houston flight:

  • Forget about inconvenient public transport timetables or long cab lines. Grab a William P. Hobby Airport rental car and blaze your own trail. Check out the rates and availability from Easirent, Dollar and Thrifty.

  • Avoid paying extra. Booking your ride four weeks ahead of your arrival at HOU will save you money.

  • The address for William P. Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • Plan your trip to Houston in high season if you want a lively atmosphere, but remember that hotel prices tend to be higher. Alternatively, book your flights from McGhee Tyson Airport to Houston in the low season when prices are cheaper and it's less crowded.

  • Lock in a McGhee Tyson Airport to Houston flight ticket with a departure in August to explore the city during its warmest month. You can expect temperatures to range from 24ºC (75ºF) to 40ºC (104ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from TYS to Houston in January when temperatures average between 5ºC (41ºF) and 19ºC (66ºF).

More about Houston

Explore more of United States

  • San Antonio is just one of the many places in United States waiting to be discovered after you've seen Houston. Around 306 kilometres away to the west, its top attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • If you're ready to explore another major stop in United States, consider Dallas, about 370 kilometres north of Houston. Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art are the start of reasons to visit.

Plan the rest of your trip from Knoxville to Houston

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