Find Cheap Flights from Knoxville to Houston (TYS - HOU)

Flights overview

Useful information for finding cheap flights from Knoxville to Houston and booking your next trip

Cheapest round-trip flights	$94	Allegiant Nonstop 3 hr Fri, Jul 3 — Mon, Jul 6	The cheapest round-trip flight from Knoxville to Houston is currently $94
Cheapest one-way flight	$51	Allegiant Nonstop 3 hr Mon, Jun 29	The cheapest one-way flight from Knoxville to Houston is currently $51
Cheapest nonstop flights	$88	Allegiant Nonstop 3 hr Fri, Jul 31 — Mon, Aug 3	The cheapest nonstop round-trip flight from Knoxville to Houston is currently $88
Last-minute weekend getaway	$256	Frontier 1 stop 19 hr Fri, May 8 — Sun, May 10	The cheapest last-minute weekend getaway from Knoxville to Houston is currently $256
Cheapest business class flights	$493	Frontier 1 stop 30 hr Fri, May 22 — Sun, May 24	The cheapest business class round-trip flight from Knoxville to Houston is currently $493

Fastest flight	2 hr 11 min	The fastest nonstop flight from Knoxville to Houston takes 2 hr 11 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Knoxville to Houston is typically October. The most expensive month to fly is typically March.

October Cheapest	Typical prices: $150–325
March Most expensive	Typical prices: $265–485

Popular airlines from Knoxville to Houston

United

Nonstop

from $269

Typical price: $245–450

21 weekly nonstop flights

TYS - IAH Every day

223 weekly connecting flights

TYS - IAH Every day
Southwest

from $289

Typical price: $290–450

1190 weekly connecting flights

TYS - HOU Every day
American

from $289

Typical price: $225–425

826 weekly connecting flights

TYS - HOU, IAH Every day
Delta

from $289

Typical price: $245–580

491 weekly connecting flights

TYS - HOU, IAH Every day
Frontier

from $180

Typical price: $220–550

5 weekly connecting flights

TYS - IAH Every Fri, Sun

Popular airports near Knoxville

McGhee Tyson Airport (TYS)

Knoxville United States 21 min 11 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 38 min 154 mi
Hartsfield-Jackson Atlanta International Airport (ATL)

Atlanta United States 3 hr 23 min 163 mi
Chattanooga Metropolitan Airport (CHA)

Chattanooga United States 1 hr 39 min 96 mi

Popular airports near Houston

George Bush Intercontinental Airport (IAH)

Houston United States 22 min 16 mi
William P. Hobby Airport (HOU)

Houston United States 22 min 9 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 51 min 237 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 2 hr 27 min 140 mi

Frequently asked questions about flying from Knoxville to Houston

The cheapest flights from Knoxville to Houston are usually in October. Typical ticket prices in October range from $150 to $325.

The cheapest round-trip flight from Knoxville to Houston recently found on Google Flights was with Allegiant from $94. The cheapest one-way flight was with Allegiant from $51.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Knoxville to Houston is $269, flying from Jul 30 to Aug 3.
The cheapest Southwest flight from Knoxville to Houston is $289, flying from Jul 2 to Jul 5.
The cheapest American flight from Knoxville to Houston is $289, flying from May 28 to Jun 1.
The cheapest Delta flight from Knoxville to Houston is $289, flying from Jun 4 to Jun 7.
The cheapest Frontier flight from Knoxville to Houston is $180, flying from Jun 5 to Jun 7.

The cheapest round-trip flight from Knoxville to Houston starts at $94 from Fri, Jul 3 to Mon, Jul 6. The cheapest one-way flight starts at $51 and departs on Mon, Jun 29.

2 hr 11 min is the shortest flight time from Knoxville to Houston.

Most visitors explore Houston May–Aug when the days are hot and humid. Winters (Nov–Feb) tend to be mild. Local events include the Martin Luther King, Jr., Grande Parade (Jan) and the Houston Livestock Show & Rodeo (Mar).

It's easy to use Google Flights to find the cheapest days to fly from Knoxville to Houston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Knoxville to Houston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Knoxville to Houston.

In terms of nonstop flights, United is the most popular. United offers 21 nonstop flights and 223 connecting flights per week. United flies from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH) .

In terms of flights, Southwest is the most popular. Southwest offers 1,190 connecting flights per week. Southwest flies from McGhee Tyson Airport (TYS) to William P. Hobby Airport (HOU) .

Other popular airlines flying from Knoxville to Houston are:

American offers 826 connecting flights per week. American flies from McGhee Tyson Airport (TYS) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
Delta offers 491 connecting flights per week. Delta flies from McGhee Tyson Airport (TYS) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
Frontier offers 5 connecting flights per week. Frontier flies from McGhee Tyson Airport (TYS) to George Bush Intercontinental Airport (IAH) .

The number of connecting flights refers to distinct flights with at least one stop between Knoxville and Houston.

The cheapest round-trip flight from Knoxville to Houston recently found on Google Flights was with Allegiant from $94. The cheapest one-way flight was with Allegiant from $51.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Knoxville to Houston is $269, flying from Jul 30 to Aug 3.
The cheapest Southwest flight from Knoxville to Houston is $289, flying from Jul 2 to Jul 5.
The cheapest American flight from Knoxville to Houston is $289, flying from May 28 to Jun 1.
The cheapest Delta flight from Knoxville to Houston is $289, flying from Jun 4 to Jun 7.
The cheapest Frontier flight from Knoxville to Houston is $180, flying from Jun 5 to Jun 7.

United flies direct from Knoxville to Houston.

There are 21 United direct flights from Knoxville to Houston per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Knoxville and Houston at price $256 is offered by Frontier from Fri, May 8 to Sun, May 10.

United flies direct from Knoxville to Houston.

There are 21 United direct flights from Knoxville to Houston per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Knoxville to Houston on a daily basis.

The cheapest direct (nonstop) round-trip flights between Knoxville and Houston start at $88 from Fri, Jul 31 to Mon, Aug 3 with Allegiant.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Knoxville to Houston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Knoxville and Houston start at $493 from Fri, May 22 to Sun, May 24 with Frontier.

The cheapest economy class round-trip flights between Knoxville and Houston start at $94 from Fri, Jul 3 to Mon, Jul 6.

To book business class trips from Knoxville to Houston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Knoxville and Houston starts at $256 from Fri, May 8 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Knoxville and Houston at price $256 is offered by Frontier from Fri, May 8 to Sun, May 10.

To find last-minute flight deals from Knoxville to Houston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.