Knoxville

$86+ Cheap flights from Houston to Knoxville (TYS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
mar. 19 — mar. 261
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Cheapflights Tip: The best prices from Houston to Knoxville McGhee Tyson are usually found in August or June, booked 87 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Houston to Knoxville

Cheapest flights from Houston to Knoxville
Explore the most affordable flight options available from Houston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on februar 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 6/87:31 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
fre. 6/125:30 pm
TYS
-
HOU
Nonstop2h 11m
Allegiant Air
Deal found 2/13$129
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 6/57:31 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
fre. 6/125:30 pm
TYS
-
HOU
Nonstop2h 11m
Allegiant Air
Deal found 2/13$138
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 5/227:39 pm
HOU
-
TYS
Nonstop2h 03m
Allegiant Air
fre. 5/295:30 pm
TYS
-
HOU
Nonstop2h 19m
Allegiant Air
Deal found 2/13$159
This Kiwi.com deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 6/297:31 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
fre. 7/35:32 pm
TYS
-
HOU
Nonstop2h 17m
Allegiant Air
Deal found 2/15$186
This Kiwi.com deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 6/127:31 pm
HOU
-
TYS
Nonstop2h 09m
Allegiant Air
fre. 6/195:43 pm
TYS
-
HOU
Nonstop2h 11m
Allegiant Air
Deal found 2/17$196
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/258:21 pm
IAH
-
TYS
Nonstop2h 20m
United Airlines
tir. 4/287:05 am
TYS
-
IAH
Nonstop2h 41m
United Airlines
Deal found 2/16$209
This Frontier deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 5/76:45 am
IAH
-
TYS
1 stop7h 48m
Frontier
søn. 5/104:28 pm
TYS
-
IAH
1 stop9h 20m
Frontier
Deal found 2/14$215
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 4/219:07 am
IAH
-
TYS
1 stop5h 31m
American Airlines
lør. 4/254:09 pm
TYS
-
IAH
1 stop8h 50m
American Airlines
Deal found 2/15$216
This Southwest deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 4/2511:30 am
HOU
-
TYS
1 stop6h 00m
Southwest
tir. 4/285:50 pm
TYS
-
HOU
1 stop6h 00m
Southwest
Deal found 2/16$217
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 4/911:32 am
IAH
-
TYS
1 stop9h 33m
Multiple Airlines
man. 4/134:20 pm
TYS
-
IAH
1 stop23h 47m
Multiple Airlines
Deal found 2/13$223
This Kiwi.com deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 4/16:27 pm
IAH
-
TYS
1 stop28h 12m
Multiple Airlines
tir. 4/72:56 pm
TYS
-
IAH
1 stop10h 03m
Multiple Airlines
Deal found 2/14$224
This Delta deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 10/131:00 pm
HOU
-
TYS
1 stop4h 13m
Delta
lør. 10/174:00 pm
TYS
-
HOU
1 stop6h 43m
Delta
Deal found 2/16$229

Find flight deals from Houston to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated februar 17, 2026.

Round-trip from

$129
(Kiwi.com)

One-way from

$86
(Priceline)

Popular in

March

Cheapest in

August

Average price

$287
From Houston to Knoxville McGhee Tyson
One-way flight from Houston to Knoxville McGhee Tyson
Highest demand for flights based on searches. 12% potential increase in price ($43 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated februar 17, 2026.
Use the filters below to find and compare flights from Houston to Knoxville that are best for you.

Fly from

Houston

Fly to

Knoxville

Route

Depart

Return

Price

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

fre. 6/5

7:31 pm-10:40 pm

Nonstop2h 09m

Knoxville McGhee Tyson

fre. 6/12

5:30 pm-6:41 pm

Nonstop2h 11m

$138

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

man. 6/29

7:31 pm-10:40 pm

Nonstop2h 09m

Knoxville McGhee Tyson

fre. 7/3

5:32 pm-6:49 pm

Nonstop2h 17m

$186

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

ons. 4/1

8:21 pm-11:41 pm

Nonstop2h 20m

Knoxville McGhee Tyson

tir. 4/7

9:00 am-10:37 am

Nonstop2h 37m

$209

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

tor. 5/7

6:45 am-3:33 pm

1 stop7h 48m

Knoxville McGhee Tyson

søn. 5/10

4:28 pm-12:48 am

1 stop9h 20m

$215

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

lør. 4/25

11:30 am-6:30 pm

1 stop6h 00m

Knoxville McGhee Tyson

tir. 4/28

5:50 pm-10:50 pm

1 stop6h 00m

$217

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

lør. 5/2

7:15 am-3:20 pm

1 stop7h 05m

Knoxville McGhee Tyson

tir. 5/5

5:50 pm-10:50 pm

1 stop6h 00m

$217

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

tir. 4/14

4:40 pm-7:56 pm

Nonstop2h 16m

Knoxville McGhee Tyson

søn. 4/19

7:05 am-8:46 am

Nonstop2h 41m

$224

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

lør. 5/2

8:24 pm-11:44 pm

Nonstop2h 20m

Knoxville McGhee Tyson

tir. 5/5

11:40 am-1:17 pm

Nonstop2h 37m

$224

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

lør. 3/21

5:00 am-10:10 am

1 stop4h 10m

Knoxville McGhee Tyson

lør. 4/4

4:29 pm-8:24 pm

1 stop4h 55m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

ons. 4/1

11:35 am-4:06 pm

1 stop3h 31m

Knoxville McGhee Tyson

tir. 4/7

8:33 am-1:54 pm

1 stop6h 21m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 39 results
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Best time to book a flight from Houston to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Knoxville

How far ahead should I book a flight from Houston to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Knoxville. Price data was last updated on February 13, 2026.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to Knoxville?

Currently, December is the cheapest month in which you can book a flight from Houston to Knoxville (average of $52). Flying from Houston to Knoxville in January is currently the most expensive (average of $209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to TYS?

Find hourly flight availability from Houston to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated februar 17, 2026.

When flying from Houston to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 43% versus a flight in the afternoon.

What is the cheapest day to fly from Houston to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Houston to Knoxville. Price data was last updated on February 17, 2026.

Travelers seeking maximum savings on their Houston to Knoxville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated februar 17, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Houston to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Houston to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Knoxville from Houston?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from Houston. On average, McGhee Tyson has 0 inbound flights from Houston per day from 4 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from Houston to Knoxville?

    For as low as $138, Allegiant Air can have you in Knoxville from Houston in 2h 09m. Airlines will cover a distance of 781 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Knoxville round-trip?

    According to our current data, Allegiant Air ($54), Delta ($104), and United Airlines ($209) offers the cheapest pricing from Houston to Knoxville. Allegiant Air is currently priced 81% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to Knoxville one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $51. Users have also found prices from $107 and $133 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Houston to Knoxville that include hotel bookings?

    Yes. In addition to deals on Houston to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Knoxville.

  • Can I find deals for business class flights from Houston to Knoxville?

    Yes. Cheapflights offers flight deals from Houston to Knoxville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Knoxville?

    Currently, December is the cheapest month in which you can book a flight from Houston to Knoxville (average of $52). Flying from Houston to Knoxville in January is currently the most expensive (average of $209). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Houston to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Houston to Knoxville

Discover the top 4 airlines that operate flights from Houston to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated februar 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$54Average$108FlexibilityNo cancel feeOn-time88%
DeltaCheapest$104Average$298FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$382FlexibilityNo cancel feeOn-time71%

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