Are direct flights from Knoxville to Houston always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers, but they are not always the cheapest option. Flights with one or more stops can sometimes be more economical. Consider your priorities for cost versus convenience when choosing between direct and connecting flights.

Can flexible travel dates help on Knoxville to Houston flights?

Absolutely, being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or holidays. Even shifting your travel by a day or two may lead to savings.

What extra costs should I check before booking Knoxville to Houston flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget to avoid surprises.

Flights From Knoxville

To Houston

Cheap Flights from Knoxville to Houston

Browse current best options from Knoxville. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Knoxville

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

Prices updated 4 days ago

476 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)

Today’s best flight deals from Knoxville to Houston

Explore current cheapest deals departing from Knoxville to Houston

2026-11-02 – 2026-11-09
TYS - Houston
74% AI deal score
$190
$126
Round trip
2026-11-20 – 2026-11-23
TYS - Houston
73% AI deal score
$198
$139
Round trip
2026-11-06 – 2026-11-09
TYS - Houston
67% AI deal score
$200
$147
Round trip
2026-11-02 – 2026-11-06
TYS - Houston
67% AI deal score
$200
$149
Round trip
2026-10-19 – 2026-11-09
TYS - Houston
48% AI deal score
$174
$156
Round trip
2026-11-02 – 2026-11-10
TYS - Houston
77% AI deal score
$326
$159
Round trip
2026-11-02 – 2026-11-23
TYS - Houston
45% AI deal score
$163
$163
Round trip
2026-11-02 – 2026-11-13
TYS - Houston
46% AI deal score
$172
$163
Round trip
2026-10-30 – 2026-11-09
TYS - Houston
47% AI deal score
$176
$164
Round trip
2026-11-16 – 2026-11-23
TYS - Houston
48% AI deal score
$188
$170
Round trip

Knoxville to Houston: Overview

Insights for flights from Knoxville to Houston

Most itineraries from Knoxville to Houston connect at least once, with only 24.5% of recent fares being direct flights from Knoxville to Houston. For connecting itineraries, the typical number of stopovers is 2.

When looking for cheap flights from Knoxville to Houston, fares typically range from $364–$1058, with a median of $713. Right now, current fares are above the typical level, and only 2% of recent fares were classified as a good price.

The cheapest time to fly from Knoxville to Houston is during August, with a median fare of $107. September also offers lower prices, with a median of $120, followed by July, where the median fare is $237.

A typical journey from Knoxville to Houston takes about 2h 17m including connections. This route covers a distance of 1241 km, classifying it as a short-haul flight.

How much is a round trip from Knoxville to Houston

Regular price: $153 - $449

Prices are currently below the regular range.

The regular price range for flights from Knoxville to Houston is $153 to $449. The current lowest deal is $138 with Allegiant Air, for travel from Nov 20-Nov 23.

now $138

Low $153

High $449

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 $107. The most expensive month is November, with a median price of $997. Prices are generally lower from January to September.

August

Cheapest

Flights from $107

November

Most Expensive

Flights from $997

Jan

Mar

Jul

Aug

Sep

Oct

Nov

Direct flights from Knoxville to Houston

Allegiant Air

United Airlines

Last-minute flights going from Knoxville to Houston

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$219

$201

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$262

$219

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$219

$224

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$229

$246

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$326

$262

One-way

Fri, Oct 16

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$202

$245

One-way

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

9 nights

Nov 2 - Nov 11

$324 → $179

45%

1 night

Nov 16 - Nov 17

$357 → $212

41%

4 nights

Nov 6 - Nov 10

$359 → $215

40%

1 night

Nov 2 - Nov 3

$363 → $224

38%

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 a median of $713.

📅 Best time to fly

August is historically cheapest

Historically, August is the cheapest month to fly from Knoxville to Houston, with a median of $107.

⏱️ Flight duration

Direct flights take 2h 17m

A direct flight from Knoxville to Houston typically takes 2 hours and 17 minutes.

✈️ Airlines & availability

Connecting flights are dominant

24.5% of recent flights from Knoxville to Houston are direct, with connecting flights dominant.

🏆 Airline highlight

Allegiant Air offers direct flights

Allegiant Air is one of the airlines offering direct flights on the Knoxville to Houston route.

🎯 Booking tip

Deals appear regularly

Deals for flights from Knoxville to Houston appear regularly, so check frequently for offers.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

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

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$116

Houston main airports to arrive at

William P. Hobby (HOU)

Cheapest

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

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

💸 Flights from ~$126

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.

📍 ~240 km from Houston (reachable by car)

💸 Flights from ~$99

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

Nov 20

Houston, United States

76% AI deal score

$960

$599

Save $361

From TYS

Elite

Dec 10

Houston, United States

70% AI deal score

$723

$569

Save $154

United Airlines

Business Class

From TYS

Elite

Nov 06

Houston, United States

69% AI deal score

$703

$569

Save $134

United Airlines

Business Class

From TYS

Elite

Oct 30

Houston, United States

69% AI deal score

$755

$609

Save $146

United Airlines

Business Class

From TYS

Elite

Dec 17

Houston, United States

68% AI deal score

$677

$588

Save $89

United Airlines

Business Class

From TYS

Elite

Oct 29

Houston, United States

68% AI deal score

$747

$609

Save $138

United Airlines

Business Class

From TYS

Elite

Oct 27

Houston, United States

68% AI deal score

$714

$609

Save $105

United Airlines

Business Class

From TYS

Elite

Oct 20

Houston, United States

68% AI deal score

$788

$667

Save $121

United Airlines

Business Class

From TYS

Elite

Oct 22

Houston, United States

68% AI deal score

$831

$667

Save $164

United Airlines

Business Class

From TYS

Elite

Oct 23

Houston, United States

68% AI deal score

$811

$667

Save $144

United Airlines

Business Class

From TYS

Elite

Mar 30

Houston, United States

67% AI deal score

$626

$569

Save $57

United Airlines

Business Class

From TYS

Elite

Nov 07

Houston, United States

67% AI deal score

$634

$569

Save $65

United Airlines

Business Class

Frequently Asked Questions About Flights to Houston

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help uncover better deals. Setting up price alerts may notify you when fares drop for your desired route.

Booking flights in advance often provides more options and potentially lower prices, though last-minute deals can sometimes appear. Prices may fluctuate, so monitoring fares over time can help you decide the optimal booking period. Mid-week bookings might also offer slight advantages.

Yes, comparing nearby airports for both your origin and destination can sometimes reveal more affordable flight options. While it may add to travel time, the savings on airfare can be significant. Always factor in ground transportation costs and convenience when considering alternative airports.

Related routes

More routes from Knoxville

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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

A typical journey from Knoxville to Houston takes about 2h 17m including connections. This route covers a distance of 1241 km, classifying it as a short-haul flight.

How much is a round trip from Knoxville to Houston

Regular price: $153 - $449

Prices are currently below the regular range.

The regular price range for flights from Knoxville to Houston is $153 to $449. The current lowest deal is $138 with Allegiant Air, for travel from Nov 20-Nov 23.

now $138

Low $153

High $449

The cheapest time to fly from Knoxville to Houston

August

Cheapest

Flights from $107

November

Most Expensive

Flights from $997

Jan

Mar

Jul

Aug

Sep

Oct

Nov

Direct flights from Knoxville to Houston

Allegiant Air

United Airlines

Last-minute flights going from Knoxville to Houston

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$219

$201

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$262

$219

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$219

$224

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$229

$246

One-way

Mon, Oct 12

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$326

$262

One-way

Fri, Oct 16

⌛ Last-Minute

TYS - Houston

Knoxville (TYS) - Houston (HOU)

Allegiant Air

$202

$245

One-way

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

9 nights

Nov 2 - Nov 11

$324 → $179

45%

1 night

Nov 16 - Nov 17

$357 → $212

41%

4 nights

Nov 6 - Nov 10

$359 → $215

40%

1 night

Nov 2 - Nov 3

$363 → $224

38%

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 a median of $713.

📅 Best time to fly

August is historically cheapest

Historically, August is the cheapest month to fly from Knoxville to Houston, with a median of $107.

⏱️ Flight duration

Direct flights take 2h 17m

A direct flight from Knoxville to Houston typically takes 2 hours and 17 minutes.

✈️ Airlines & availability

Connecting flights are dominant

24.5% of recent flights from Knoxville to Houston are direct, with connecting flights dominant.

🏆 Airline highlight

Allegiant Air offers direct flights

Allegiant Air is one of the airlines offering direct flights on the Knoxville to Houston route.

🎯 Booking tip

Deals appear regularly

Deals for flights from Knoxville to Houston appear regularly, so check frequently for offers.

Knoxville main airports to depart from

McGhee Tyson (TYS)

Cheapest

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

📍 ~18 km from Knoxville (reachable by car)

💸 Flights from ~$116

Houston main airports to arrive at

William P. Hobby (HOU)

Cheapest

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

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

💸 Flights from ~$126

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.

📍 ~240 km from Houston (reachable by car)

💸 Flights from ~$99

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

Houston, United States

67% AI deal score

$634

$569

Save $65

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

August is historically cheapest

Direct flights take 2h 17m

Connecting flights are dominant

Allegiant Air offers direct flights

Deals appear regularly

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

Nov 20

Dec 10

Nov 06

Oct 30

Dec 17

Oct 29

Oct 27

Oct 20

Oct 22

Oct 23

Mar 30

Nov 07

Frequently Asked Questions About Flights to Houston

How can I find cheap flights from Knoxville to Houston?

When should I book flights from Knoxville to Houston?

Should I compare nearby airports for flights from Knoxville to Houston?

Are direct flights from Knoxville to Houston always the best option?

Can flexible travel dates help on Knoxville to Houston flights?

What extra costs should I check before booking Knoxville to Houston flights?

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

August is historically cheapest

Direct flights take 2h 17m

Connecting flights are dominant

Allegiant Air offers direct flights

Deals appear regularly

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

Nov 20

Dec 10

Nov 06

Oct 30

Dec 17

Oct 29

Oct 27

Oct 20

Oct 22

Oct 23

Mar 30

Nov 07

Frequently Asked Questions About Flights to Houston

How can I find cheap flights from Knoxville to Houston?

When should I book flights from Knoxville to Houston?

Should I compare nearby airports for flights from Knoxville to Houston?