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$41+ Cheap flights from Knoxville (TYS) to Houston

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HOU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Houston are usually found in October or August, booked 56 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Knoxville to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Houston (HO1). 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 June 12, 2025.

Round-trip from

$95
(Gotogate)

One-way from

$41
(Booking.com)

Popular in

March

Cheapest in

October

Average price

$350
From Knoxville McGhee Tyson to Houston
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One-way flight from Knoxville McGhee Tyson to Houston
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Highest demand for flights based on searches. 12% potential increase in price ($46 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Knoxville to Houston

Cheapest flights from Knoxville to Houston
Explore the most affordable flight options available from Knoxville to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/155:47 pmTYS - HOU
Nonstop2h 25mAllegiant Air
Mon 8/188:02 pmHOU - TYS
Nonstop2h 01mAllegiant Air
Deal found 6/12$82
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:00 pmTYS - IAH
1 stop14h 43mMultiple Airlines
Fri 9/2612:48 pmIAH - TYS
1 stop8h 33mMultiple Airlines
Deal found 6/10$198
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 7/312:00 pmTYS - IAH
Nonstop2h 27mUnited Airlines
Mon 7/74:35 pmIAH - TYS
Nonstop2h 26mUnited Airlines
Deal found 6/9$209
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 8/65:30 amTYS - HOU
1 stop5h 14mAmerican Airlines
Fri 8/86:00 amHOU - TYS
1 stop6h 38mAmerican Airlines
Deal found 6/12$219
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 7/177:52 pmTYS - IAH
1 stop5h 10mAmerican Airlines
Wed 7/235:00 amIAH - TYS
1 stop7h 12mAmerican Airlines
Deal found 6/11$219
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/85:30 amTYS - HOU
1 stop4h 47mDelta
Wed 7/166:00 amHOU - TYS
1 stop6h 51mDelta
Deal found 6/11$227
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/85:30 amTYS - IAH
1 stop4h 06mDelta
Tue 7/155:30 amIAH - TYS
1 stop4h 38mDelta
Deal found 6/11$227
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/236:45 amTYS - HOU
Nonstop2h 10mMultiple Airlines
Thu 6/266:36 pmHOU - TYS
1 stop20h 35mMultiple Airlines
Deal found 6/10$228
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:26 pmTYS - IAH
1 stop15h 08mFrontier
Thu 10/911:29 amIAH - TYS
1 stop7h 08mFrontier
Deal found 6/12$413

Cheapflights Fare Finder

Customize your flight search to find flights from Knoxville to Houston 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 June 12, 2025.
Use the filters below to find and compare flights from Knoxville to Houston that are best for you.

Fly from

Knoxville

Fly to

Houston

Route

Depart

Return

Price

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Fri 8/15

5:47 pm-7:12 pm

Nonstop2h 25m

Houston Hobby

Mon 8/18

8:02 pm-11:03 pm

Nonstop2h 01m

$82

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 9/19

7:00 pm-8:43 am

1 stop14h 43m

Houston George Bush Intcntl

Fri 9/26

12:48 pm-10:21 pm

1 stop8h 33m

$198

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 7/3

12:00 pm-1:27 pm

Nonstop2h 27m

Houston George Bush Intcntl

Mon 7/7

4:35 pm-8:01 pm

Nonstop2h 26m

$209

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Wed 8/6

5:30 am-9:44 am

1 stop5h 14m

Houston Hobby

Fri 8/8

6:00 am-1:38 pm

1 stop6h 38m

$219

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 7/17

7:52 pm-12:02 am

1 stop5h 10m

Houston George Bush Intcntl

Wed 7/23

5:00 am-1:12 pm

1 stop7h 12m

$219

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Tue 7/8

5:30 am-9:17 am

1 stop4h 47m

Houston Hobby

Wed 7/16

6:00 am-1:51 pm

1 stop6h 51m

$227

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 7/8

5:30 am-8:36 am

1 stop4h 06m

Houston George Bush Intcntl

Wed 7/16

6:00 am-4:43 pm

1 stop9h 43m

$227

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Mon 6/23

6:45 am-7:55 am

Nonstop2h 10m

Houston Hobby

Thu 6/26

6:36 pm-4:11 pm

1 stop20h 35m

$228

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Mon 10/6

8:26 pm-10:34 am

1 stop15h 08m

Houston George Bush Intcntl

Thu 10/9

11:29 am-7:37 pm

1 stop7h 08m

$413

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Fri 8/15

5:47 pm-7:12 pm

Nonstop2h 25m

$41

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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Best time to book a flight from Knoxville to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Knoxville 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 Knoxville to Houston

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Houston. Price data was last updated on June 9, 2025.

The best time to book flights from Knoxville to Houston is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Knoxville to Houston (average of $230). Flying from Knoxville to Houston in March is currently the most expensive (average of $332). 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 TYS to HOU?

Find hourly flight availability from Knoxville to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 62% on flights from Knoxville to Houston by exploring options for tickets in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Knoxville to Houston. Price data was last updated on December 16, 2024.

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

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated June 12, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from Knoxville to Houston have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Houston. 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 from for flights from Knoxville to Houston?

    If you book a flight to Houston from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from McGhee Tyson to Houston per day from 4 different airlines.

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

    Allegiant Air, at $95, was found to be the cheapest airline from Knoxville to Houston.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 70% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $41. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Knoxville to Houston for a low price.

  • What are the cheapest flights from Knoxville to Houston?

    The cheapest flight price from Knoxville to Houston is $47. On average you can expect to pay $87. The most popular route, (Knoxville McGhee Tyson - Houston George Bush Intcntl), can usually be booked for $198.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Houston 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 Knoxville to Houston?

    Currently, September is the cheapest month in which you can book a flight from Knoxville to Houston (average of $230). Flying from Knoxville to Houston in March is currently the most expensive (average of $332). 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

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Top 4 airlines flying from Knoxville to Houston

Discover the top 4 airlines that operate flights from Knoxville to Houston. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$80Average$125FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$152Average$373FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$283FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$360FlexibilityNo cancel feeOn-time69%

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