How many flights from Knoxville to Houston are non-stop?

In the trailing 90 days, approximately 51.3% of flights from Knoxville to Houston were non-stop. For flights that include connections, travelers typically experience about 2 stopovers. This indicates that while direct options are common, a significant portion of routes involve at least one stop.

How often do Knoxville to Houston flight prices drop?

Historically, flight prices for the Knoxville to Houston route experience frequent drops. This suggests that travelers may have regular opportunities to find more affordable fares. Monitoring prices across the trailing 30 days could be beneficial for securing a better deal on this route.

Flights From Knoxville

To Houston

Cheap Flights from Knoxville to Houston

Q: How long is the flight from Knoxville to Houston?

The typical direct flight from Knoxville to Houston has a duration of 2 hours and 17 minutes, covering a distance of 1241 kilometers. Flights with one stop, however, are considerably longer, with a median duration of 8 hours and 35 minutes. Travelers should account for this difference when planning their journey.

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RatePunk searches hundreds of travel sites at once for deals on flights to Houston

Prices updated today

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Fares are subject to change and may not be available for all dates. (Data last updated Aug 31, 2026.)

Today’s best flight deals from Knoxville to Houston

Explore current cheapest deals departing from Knoxville to Houston

2026-09-25 – 2026-09-28
TYS - Houston
77% AI deal score
$206
$89
Round trip
2026-10-02 – 2026-10-05
TYS - Houston
76% AI deal score
$199
$91
Round trip
2026-10-02 – 2026-10-19
TYS - Houston
78% AI deal score
$164
$97
Round trip
2026-08-28 – 2026-08-31
TYS - Houston
84% AI deal score
$384
$99
Round trip
2026-10-09 – 2026-10-19
TYS - Houston
77% AI deal score
$174
$105
Round trip
2026-10-23 – 2026-10-30
TYS - Houston
79% AI deal score
$200
$107
Round trip
2026-10-30 – 2026-11-09
TYS - Houston
77% AI deal score
$184
$110
Round trip
2026-10-30 – 2026-11-02
TYS - Houston
78% AI deal score
$207
$116
Round trip
2026-10-30 – 2026-11-06
TYS - Houston
77% AI deal score
$201
$116
Round trip
2026-10-09 – 2026-10-26
TYS - Houston
73% AI deal score
$164
$117
Round trip

Knoxville to Houston: Overview

Insights for flights from Knoxville to Houston

A meaningful share of flights from Knoxville to Houston are non-stop, with the remaining itineraries typically involving 2 connections. This means you'll find a mix of direct and connecting options when searching for cheap flights from Knoxville to Houston. For those connecting, the journey time can be significantly longer.

Right now, fares for flights from Knoxville to Houston are typically $89–$522, with a median of $170. Current fares are above the typical level, indicating higher prices compared to the historical median. Approximately 31% of recent fares were classified as a good price, suggesting that deals can be found despite the current pricing trend. New deals appear almost daily, making it beneficial to monitor prices regularly.

When is the cheapest time to fly from Knoxville to Houston? The most affordable months to fly are November, with a median fare of $82, followed by September at $88, and August at $93. These months offer significantly lower median prices compared to the overall typical fare, providing opportunities for savings if your travel dates are flexible.

How long is the flight from Knoxville to Houston? A typical journey from Knoxville to Houston takes 2h 17m, including connections. This duration accounts for both direct flights and those with layovers. Given that a meaningful share of itineraries involve connections, it's important to consider the total travel time when planning your trip.

The distance between Knoxville and Houston is 1241 kilometers. This classifies the route as a short-haul journey, meaning you can expect a relatively quick flight compared to longer international or transcontinental routes.

How much is a round trip from Knoxville to Houston

Regular price: $158 - $427

Prices for flights from Knoxville to Houston are currently below the regular range.

The regular price range for flights from Knoxville to Houston is $158 to $427. The current lowest deal is $89 with Allegiant Air, for travel from Sep 25-Sep 28.

now $89

Low $158

High $427

The cheapest time to fly from Knoxville to Houston

The cheapest month to fly from TYS to HOU is August, with a median price of $93. The most expensive month is April, with a median price of $1022. Generally, prices are lower from January to December.

August

Cheapest

Flights from $93

April

Most Expensive

Flights from $1,022

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Knoxville to Houston

Allegiant Air

Last-minute flights going from Knoxville to Houston

Fri, Aug 28

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$384

$113

One-way

Fri, Aug 28

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$687

$363

One-way

Mon, Aug 31

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$224

$167

One-way

Fri, Sep 4

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$240

$152

One-way

Sat, Sep 5

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (IAH)

Allegiant Air

$352

$259

One-way

Thu, Sep 10

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (IAH)

Allegiant Air

$300

$211

One-way

Biggest price drops on these dates for flights from Knoxville to Houston

2 nights

Aug 24 - Aug 26

$714 → $305

57%

3 nights

Aug 28 - Aug 31

$384 → $99

74%

4 nights

Aug 24 - Aug 28

$398 → $152

62%

7 nights

Aug 24 - Aug 31

$315 → $119

62%

Popular Airports to fly from Knoxville to Houston

Knoxville - Houston route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for Knoxville to Houston are above the typical level at $89.

📅 Best time to fly

Fly in November for the lowest prices.

Historically, November is the cheapest month to fly, with a median price of $82.

⏱️ Flight duration

Direct flights take 2h 17m.

The median flight duration for a direct flight from Knoxville to Houston is 2h 17m.

✈️ Airlines & availability

Direct flights are available.

Direct flights are available on this route, making up 51.3% of recent flight options.

🏆 Airline highlight

Allegiant Air offers direct flights.

Allegiant Air has offered direct flights on the Knoxville to Houston route recently.

🎯 Booking tip

Deals are frequent on this route.

Deals for flights from Knoxville to Houston have been frequent in the last 30 days.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport (TYS) is a good option for flights from Knoxville to Houston.

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$68

Houston main airports to arrive at

William P. Hobby (HOU)

Cheapest

William P. Hobby Airport is a convenient choice for flights from Knoxville to Houston.

📍 ~16 km from Houston city center (reachable by car)

💸 Flights from ~$107

Airports nearby Houston used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport is a major international airport with extensive routes, a good alternative to Houston.

📍 ~230 km from Houston (reachable by car, but traffic can impact travel time).

💸 Flights from ~$79

Business & First Class Flight Deals to Houston

Discover luxury on the budget with premium cabin class on flights from Knoxville to Houston.

Elite

Best Elite deals to Houston

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From TYS

Elite

Sep 25

Houston, United States

78% AI deal score

$794

$509

Save $285

United Airlines

Business Class

From TYS

Elite

Oct 30

Houston, United States

78% AI deal score

$820

$509

Save $311

United Airlines

Business Class

From TYS

Elite

Sep 25

Houston, United States

77% AI deal score

$784

$509

Save $275

United Airlines

Business Class

From TYS

Elite

Sep 04

Houston, United States

77% AI deal score

$896

$585

Save $311

United Airlines

Business Class

From TYS

Houston, United States

75% AI deal score

$1,161

$679

Save $482

From TYS

Elite

Aug 28

Houston, United States

75% AI deal score

$1,217

$679

Save $538

From TYS

Elite

Feb 12

Houston, United States

74% AI deal score

$631

$507

Save $124

United Airlines

Business Class

From TYS

Elite

Feb 17

Houston, United States

74% AI deal score

$632

$507

Save $125

United Airlines

Business Class

Frequently Asked Questions About Flights to Houston

Historically, the optimal time to book flights from Knoxville to Houston is typically 60+ days before departure. During this period, the average price for a flight is around $195. Prices tend to increase as the departure date approaches, with flights booked 28-59 days out averaging $212. For last-minute bookings made within 0-6 days of travel, the average price can rise significantly to $497, based on observations over a 90-day window.

Across the trailing quarter, a good price for a flight from Knoxville to Houston is considered to be $89 or less. The median price for this route over a 90-day period has been $170. Prices can vary, with 75% of fares historically being $522 or less. Travelers aiming for a budget-friendly trip should target fares around the $89 mark.

Historically, the cheapest months to fly from Knoxville to Houston are November, September, and August. In November, the median price was $82, while September saw a median of $88. August also offered competitive fares with a median of $93. These prices are notably lower than the annual median price of $170 for this route, based on data from a 270-day window.

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Flights to Houston from other cities

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Knoxville to Houston: Overview

Insights for flights from Knoxville to Houston

How much is a round trip from Knoxville to Houston

Regular price: $158 - $427

Prices for flights from Knoxville to Houston are currently below the regular range.

The regular price range for flights from Knoxville to Houston is $158 to $427. The current lowest deal is $89 with Allegiant Air, for travel from Sep 25-Sep 28.

now $89

Low $158

High $427

The cheapest time to fly from Knoxville to Houston

The cheapest month to fly from TYS to HOU is August, with a median price of $93. The most expensive month is April, with a median price of $1022. Generally, prices are lower from January to December.

August

Cheapest

Flights from $93

April

Most Expensive

Flights from $1,022

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Knoxville to Houston

Allegiant Air

Last-minute flights going from Knoxville to Houston

Fri, Aug 28

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$384

$113

One-way

Fri, Aug 28

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$687

$363

One-way

Mon, Aug 31

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$224

$167

One-way

Fri, Sep 4

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$240

$152

One-way

Sat, Sep 5

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (IAH)

Allegiant Air

$352

$259

One-way

Thu, Sep 10

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (IAH)

Allegiant Air

$300

$211

One-way

Biggest price drops on these dates for flights from Knoxville to Houston

2 nights

Aug 24 - Aug 26

$714 → $305

57%

3 nights

Aug 28 - Aug 31

$384 → $99

74%

4 nights

Aug 24 - Aug 28

$398 → $152

62%

7 nights

Aug 24 - Aug 31

$315 → $119

62%

Popular Airports to fly from Knoxville to Houston

Knoxville - Houston route insights

💸 Price insights

Recent fares are above the typical level.

Recent fares for Knoxville to Houston are above the typical level at $89.

📅 Best time to fly

Fly in November for the lowest prices.

Historically, November is the cheapest month to fly, with a median price of $82.

⏱️ Flight duration

Direct flights take 2h 17m.

The median flight duration for a direct flight from Knoxville to Houston is 2h 17m.

✈️ Airlines & availability

Direct flights are available.

Direct flights are available on this route, making up 51.3% of recent flight options.

🏆 Airline highlight

Allegiant Air offers direct flights.

Allegiant Air has offered direct flights on the Knoxville to Houston route recently.

🎯 Booking tip

Deals are frequent on this route.

Deals for flights from Knoxville to Houston have been frequent in the last 30 days.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

McGhee Tyson Airport (TYS) is a good option for flights from Knoxville to Houston.

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$68

Houston main airports to arrive at

William P. Hobby (HOU)

Cheapest

William P. Hobby Airport is a convenient choice for flights from Knoxville to Houston.

📍 ~16 km from Houston city center (reachable by car)

💸 Flights from ~$107

Airports nearby Houston used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International Airport is a major international airport with extensive routes, a good alternative to Houston.

Houston, United States

77% AI deal score

$1,295

$679

Save $616

From TYS

Elite

Oct 22

Houston, United States

76% AI deal score

$810

$549

Save $261

United Airlines

Business Class

From TYS

Elite

Dec 25

Houston, United States

75% AI deal score

$746

$529

Save $217

United Airlines

Business Class

From TYS

Elite

Sep 12

Houston, United States

75% AI deal score

$808

$584

Save $224

United Airlines

Business Class

From TYS

Elite

Aug 26

Houston, United States

75% AI deal score

$1,161

$679

Save $482

From TYS

Elite

Aug 28

Houston, United States

75% AI deal score

$1,217

$679

Save $538

From TYS

Elite

Feb 12

Houston, United States

74% AI deal score

$631

$507

Save $124

United Airlines

Business Class

From TYS

Elite

Feb 17

Houston, United States

74% AI deal score

$632

$507

Save $125

United Airlines

Business Class

Frequently Asked Questions About Flights to Houston

Cheap Flights from Knoxville to Houston

Today’s best flight deals from Knoxville to Houston

Knoxville to Houston: Overview

Insights for flights from Knoxville to Houston

How much is a round trip from Knoxville to Houston

The cheapest time to fly from Knoxville to Houston

Direct flights from Knoxville to Houston

Last-minute flights going from Knoxville to Houston

Biggest price drops on these dates for flights from Knoxville to Houston

Popular Airports to fly from Knoxville to Houston

Knoxville - Houston route insights

Recent fares are above the typical level.

Fly in November for the lowest prices.

Direct flights take 2h 17m.

Direct flights are available.

Allegiant Air offers direct flights.

Deals are frequent on this route.

Knoxville main airports to depart from

Houston main airports to arrive at

Airports nearby Houston used as alternative

Business & First Class Flight Deals to Houston

Best Elite deals to Houston

Sep 25

Oct 30

Sep 25

Sep 04

Aug 27

Oct 22

Dec 25

Sep 12

Aug 26

Aug 28

Feb 12

Feb 17

Frequently Asked Questions About Flights to Houston

When is the best time to book flights from Knoxville to Houston?

What's a cheap fare from Knoxville to Houston?

What's the cheapest month to fly from Knoxville to Houston?

How many flights from Knoxville to Houston are non-stop?

How long is the flight from Knoxville to Houston?

How often do Knoxville to Houston flight prices drop?

Related routes

More routes from Knoxville

Flights to Houston from other cities

Knoxville to Houston: Overview

Insights for flights from Knoxville to Houston

How much is a round trip from Knoxville to Houston

The cheapest time to fly from Knoxville to Houston

Direct flights from Knoxville to Houston

Last-minute flights going from Knoxville to Houston

Biggest price drops on these dates for flights from Knoxville to Houston

Popular Airports to fly from Knoxville to Houston

Knoxville - Houston route insights

Recent fares are above the typical level.

Fly in November for the lowest prices.

Direct flights take 2h 17m.

Direct flights are available.

Allegiant Air offers direct flights.

Deals are frequent on this route.

Knoxville main airports to depart from

Houston main airports to arrive at

Airports nearby Houston used as alternative

Business & First Class Flight Deals to Houston

Best Elite deals to Houston

Sep 25

Oct 30

Sep 25

Sep 04

Aug 27

Oct 22

Dec 25

Sep 12

Aug 26

Aug 28

Feb 12

Feb 17

Frequently Asked Questions About Flights to Houston

When is the best time to book flights from Knoxville to Houston?

What's a cheap fare from Knoxville to Houston?

What's the cheapest month to fly from Knoxville to Houston?