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$72+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HOU
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Houston are usually found in August or October, booked 56 days in advance, depart on a Wednesday or Monday 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 March 26, 2025.

Round-trip from

$251
(Mytrip)

One-way from

$72
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$438
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. 10% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/25. 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.
Sat 4/58:00 amTYS - IAH
1 stop13h 45mMultiple Airlines
Tue 4/812:35 pmIAH - TYS
2 stops28h 20mMultiple Airlines
Deal found 3/25$251
This American Airlines deal was found by Cheapflights users on 3/25. 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 9/116:32 pmTYS - HOU
1 stop6h 15mAmerican Airlines
Sun 9/145:00 amHOU - TYS
1 stop7h 14mAmerican Airlines
Deal found 3/25$259
This American Airlines deal was found by Cheapflights users on 3/26. 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 9/116:32 pmTYS - IAH
1 stop6h 07mAmerican Airlines
Sun 9/145:02 amIAH - TYS
1 stop7h 12mAmerican Airlines
Deal found 3/26$259
This Delta deal was found by Cheapflights users on 3/25. 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.
Fri 5/22:33 pmTYS - HOU
1 stop4h 15mDelta
Sun 5/46:00 amHOU - TYS
1 stop4h 09mDelta
Deal found 3/25$269
This United deal was found by Cheapflights users on 3/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/207:00 amTYS - IAH
Nonstop2h 39mUnited Airlines
Sat 4/2612:30 pmIAH - TYS
Nonstop2h 21mUnited Airlines
Deal found 3/25$279
This Delta deal was found by Cheapflights users on 3/24. 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.
Fri 6/67:47 amTYS - IAH
1 stop8h 36mDelta
Sat 6/145:30 amIAH - TYS
1 stop4h 36mDelta
Deal found 3/24$304
This Mytrip deal was found by Cheapflights users on 3/25. 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.
Wed 5/288:00 amTYS - HOU
2 stops26h 12mAllegiant Air
Sun 6/110:02 amHOU - TYS
2 stops35h 21mAllegiant Air
Deal found 3/25$414

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 March 26, 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 - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 4/5

8:00 am-8:45 pm

1 stop13h 45m

Houston George Bush Intcntl

Tue 4/8

12:35 pm-5:55 pm

2 stops28h 20m

$251

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 9/11

6:32 pm-11:39 pm

1 stop6h 07m

Houston George Bush Intcntl

Sun 9/14

5:02 am-1:14 pm

1 stop7h 12m

$259

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Fri 5/2

2:33 pm-5:48 pm

1 stop4h 15m

Houston Hobby

Sun 5/4

6:00 am-11:09 am

1 stop4h 09m

$269

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sun 4/20

7:00 am-8:39 am

Nonstop2h 39m

Houston George Bush Intcntl

Sat 4/26

12:30 pm-3:51 pm

Nonstop2h 21m

$279

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Fri 4/18

6:18 pm-10:40 pm

1 stop5h 22m

Houston Hobby

Mon 4/21

6:31 pm-11:55 pm

1 stop4h 24m

$289

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 6/6

7:47 am-3:23 pm

1 stop8h 36m

Houston George Bush Intcntl

Wed 6/18

6:00 am-4:36 pm

1 stop9h 36m

$304

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Wed 5/28

8:00 am-9:12 am

2 stops26h 12m

Houston Hobby

Sun 6/1

6:36 pm-11:42 am

1 stop16h 06m

$329

KnoxvilleHouston

TYS - HOU

TYSHOU

Knoxville McGhee Tyson

Wed 5/28

8:00 am-9:12 am

2 stops26h 12m

Houston Hobby

Sun 6/1

10:02 am-10:23 pm

2 stops35h 21m

$414

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 4/24

1:43 pm-11:28 pm

1 stop10h 45m

$124

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sun 4/6

4:43 pm-12:19 am

1 stop8h 36m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 March 21, 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 $334). 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 March 26, 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 March 26, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines 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.
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,789 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
730 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,789 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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?

    American Airlines, at $259, was found to be the cheapest airline from Knoxville to Houston.Alternate airlines to your destination round-trip include Delta and United Airlines. These flights start at 17% 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 $72. However, be on the lookout for offers from Frontier and United Airlines, 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 $63. On average you can expect to pay $135. The most popular route, (Knoxville McGhee Tyson - Houston Hobby), can usually be booked for $104.

  • 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 $334). 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$80Average$139FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$330FlexibilityNo cancel feeOn-time71%
DeltaCheapest$218Average$274FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$230Average$355FlexibilityNo cancel feeOn-time69%
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