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72 € Cheap Flights from Knoxville to Houston

Compare Knoxville to Houston flight deals

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Flight deals from Knoxville to Houston

Looking for a cheap last-minute deal or the best return flight from Knoxville Airport to Houston? If you want to travel next month, return fares start from 72 €. Find the lowest prices on one-way and return tickets right here.
Houston.72 € per passenger.Departing Fri, 7 Aug, returning Mon, 17 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 7 Aug, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 17 Aug, arriving in Knoxville.Price includes taxes and charges.From 72 €, select.
Houston.85 € per passenger.Departing Fri, 23 Oct, returning Mon, 2 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 23 Oct, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 2 Nov, arriving in Knoxville.Price includes taxes and charges.From 85 €, select.
Houston.86 € per passenger.Departing Fri, 9 Oct, returning Mon, 19 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 9 Oct, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 19 Oct, arriving in Knoxville.Price includes taxes and charges.From 86 €, select.
Houston.88 € per passenger.Departing Mon, 24 Aug, returning Mon, 7 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 24 Aug, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 7 Sep, arriving in Knoxville.Price includes taxes and charges.From 88 €, select.
Houston.90 € per passenger.Departing Fri, 4 Sep, returning Mon, 7 Sep.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 4 Sep, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 7 Sep, arriving in Knoxville.Price includes taxes and charges.From 90 €, select.
Houston.91 € per passenger.Departing Fri, 6 Nov, returning Fri, 13 Nov.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 6 Nov, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 13 Nov, arriving in Knoxville.Price includes taxes and charges.From 91 €, select.
Houston.94 € per passenger.Departing Fri, 25 Sep, returning Fri, 2 Oct.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 25 Sep, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 2 Oct, arriving in Knoxville.Price includes taxes and charges.From 94 €, select.
Houston.106 € per passenger.Departing Mon, 13 Jul, returning Fri, 31 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Mon, 13 Jul, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Fri, 31 Jul, arriving in Knoxville.Price includes taxes and charges.From 106 €, select.
Houston.113 € per passenger.Departing Fri, 24 Jul, returning Mon, 3 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Knoxville on Fri, 24 Jul, arriving in Houston Hobby.Inbound direct flight with Allegiant Air departs from Houston Hobby on Mon, 3 Aug, arriving in Knoxville.Price includes taxes and charges.From 113 €, select.
Houston.235 € per passenger.Departing Tue, 8 Dec, returning Wed, 30 Dec.Return flight with United.Outbound direct flight with United departs from Knoxville on Tue, 8 Dec, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 30 Dec, arriving in Knoxville.Price includes taxes and charges.From 235 €, select.
Houston.235 € per passenger.Departing Wed, 24 Mar, returning Tue, 30 Mar.Return flight with United.Outbound direct flight with United departs from Knoxville on Wed, 24 Mar, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 30 Mar, arriving in Knoxville.Price includes taxes and charges.From 235 €, select.
Houston.235 € per passenger.Departing Tue, 8 Dec, returning Sat, 2 Jan.Return flight with United.Outbound direct flight with United departs from Knoxville on Tue, 8 Dec, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Sat, 2 Jan, arriving in Knoxville.Price includes taxes and charges.From 235 €, select.
Houston.333 € per passenger.Departing Fri, 1 Jan, returning Fri, 15 Jan.Return flight with United.Outbound direct flight with United departs from Knoxville on Fri, 1 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Fri, 15 Jan, arriving in Knoxville.Price includes taxes and charges.From 333 €, 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 August.
Jul
from 106 €
Aug
from 72 €
Sep
from 90 €
Oct
from 86 €
Nov
from 91 €
Dec
from 235 €
Jan
from 333 €
Feb
Find prices
Mar
from 235 €
Apr
Find prices
May
Find prices
Jun
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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.

Houston Hobby

15km from central Houston
ClosestCheapest
from 72 €
Search flights

Houston George Bush Intercntl.

25km from central Houston
from 163 €
Search flights

Houston Ellington Field

28km from central Houston
Search flights

Knoxville to Houston: Flight information

The things to know before you go.
Cheapest flight found72 €
Cheapest month to flyAugust
Average flight time2 hrs, 25 mins
Most popular airlineUnited
Average flights per week87

Finding cheap flights from Knoxville to Houston: Frequently asked questions

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.
The best price we found for a return flight from Knoxville to Houston is 72 €. 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 25 minutes is the average flight time from Knoxville to Houston.
United, Mesa Airlines and Air New Zealand fly direct from Knoxville to Houston.
As of July 2026, there are 87 flights per week flying from Knoxville to Houston.
The cheapest month to fly from Knoxville to Houston is usually August.
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 72 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Knoxville Airport to Houston on Friday, 7 August 2026.
Yes – the average flight time is 2 hours and 25 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 July, the average temperature is usually around 29°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.

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

  • The average length of a direct flight from Knoxville McGhee Tyson Airport to Houston is 2 hours 15 minutes.

  • Houston is one hour behind Knoxville, where Knoxville McGhee Tyson Airport is located. Houston runs on the UTC-6 timezone.

  • With 28 weekly flights between the two airports, Knoxville McGhee Tyson Airport (TYS) to Houston George Bush Intercontinental Airport (IAH) is the busiest route. United Airlines operates the earliest flight at 07:00. If you'd like to make the most of your day before flying, the last departure from TYS to IAH is with United Airlines at 17:20.

  • Leave enough time to catch your TYS to Houston flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like June, it's wise to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of international flights when you travel during high season in general.

  • Direct Knoxville McGhee Tyson Airport to Houston tickets are available for booking. Houston George Bush Intercontinental Airport (IAH) will be your arrival point.

  • Get on board with United Airlines. This well-known carrier offers direct flights from Knoxville McGhee Tyson Airport to Houston.

  • Located around 18 kilometres from central Knoxville, TYS can be reached in about 25 minutes by car, depending on traffic. The journey on public transport will take roughly 50 minutes.

  • Looking for a hotel near TYS? If you're catching an early flight from Knoxville McGhee Tyson Airport to Houston, these accommodation options put the terminal practically at your doorstep:

  • When it comes to Knoxville McGhee Tyson Airport's on-time performance, 76% of flights stick to their scheduled arrival time.

  • TYS's address is 2055 Alcoa Highway.

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

  • 36 € is currently the lowest price for a one-way Knoxville McGhee Tyson Airport to Houston flight. Return plane tickets start at 72 €. These prices may change depending on availability and demand.

  • To pick up cheap flights from TYS to Houston, book in advance. Airlines tend to offer their most competitively priced fares when tickets first go on sale.

  • Finding cheap tickets from Knoxville McGhee Tyson Airport to Houston is easier if you're flexible with your dates. Try using the 'Whole month' search tool to access the lowest prices across every month and pick up an epic deal.

  • Picking 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 there's a better deal.

  • Pick your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Knoxville McGhee Tyson Airport to Houston by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

Houston Hobby Airport (HOU)

  • Central Houston is located around 19 kilometres from Houston Hobby Airport (HOU). Once your flight from Knoxville 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.

  • Travelling by public transport will take about 50 minutes.

  • You'll find some comfortable places to call home for the night near HOU. Kick back and get cosy after your TYS to Houston flight at one of these well-located options:

  • Get the pick of the lot. Reserving your ride from HOU four weeks in advance often means lower prices and a greater selection of vehicles.

  • Houston Hobby Airport is located at 7800 Airport Boulevard.

Best time to go to Houston

  • It's time to figure out your dates for your flight from Knoxville McGhee Tyson Airport to Houston. July is the busiest month to visit Houston. If you prefer a quieter atmosphere, go in January.

  • The warmest month in Houston is August, with temperatures ranging between 24ºC (75ºF) and 40ºC (104ºF). Lock in your Knoxville McGhee Tyson Airport to Houston plane ticket then if this is the type of weather you enjoy.

  • If you like 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 the United States

  • San Antonio is just one of the many places in the United States waiting to be explored once you've seen Houston. Around 306 kilometres away to the west, its top attractions include San Antonio River Walk, San Antonio River walk and Alamo Plaza.

  • Around 370 kilometres north of Houston, Dallas is another essential stop in the United States. No visit is complete without checking out Meyerson Symphony Centre, Winspear Opera House and Dallas Museum of Art.

Plan the rest of your trip from Knoxville to Houston

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.