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George Bush Intcntl

$96+ Cheap flights from Knoxville (TYS) to George Bush Intcntl (IAH)

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAH
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Knoxville to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to George Bush Intcntl (IAH). 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 October 28, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$130
(Priceline)

One-way from

$96
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$362

Good round-trip deal

$343 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Houston George Bush Intcntl flights.
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From Knoxville McGhee Tyson to Houston George Bush Intcntl
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One-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl
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Highest demand for flights based on searches. 13% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
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Find flight deals from Knoxville to George Bush Intcntl

Cheapest flights from Knoxville to George Bush Intcntl
Explore the most affordable flight options available from Knoxville to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:52 pmTYS - IAH
1 stop8h 39mFrontier
Mon 12/86:45 amIAH - TYS
1 stop8h 12mFrontier
Deal found 10/27$130
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Thu 11/137:17 pmTYS - IAH
1 stop29h 22mFrontier
Sun 11/166:00 amIAH - TYS
1 stop11h 22mFrontier
Deal found 10/28$152
This Priceline deal was found by Cheapflights users on 10/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/74:52 pmTYS - IAH
1 stop8h 39mFrontier
Mon 12/86:45 amIAH - TYS
1 stop8h 12mFrontier
Deal found 10/27$169
This Booking.com deal was found by Cheapflights users on 10/27. 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.
Thu 11/67:17 pmTYS - IAH
1 stop16h 20mFrontier
Sat 11/88:48 pmIAH - TYS
1 stop20h 34mFrontier
Deal found 10/27$188
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Wed 12/106:09 pmTYS - IAH
1 stop14h 45mMultiple Airlines
Thu 12/117:25 pmIAH - TYS
1 stop12h 08mMultiple Airlines
Deal found 10/28$202
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/411:42 amTYS - IAH
Nonstop2h 43mUnited Airlines
Mon 12/88:30 pmIAH - TYS
Nonstop2h 14mUnited Airlines
Deal found 10/27$209
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 12/55:34 pmTYS - IAH
1 stop25h 55mMultiple Airlines
Sun 12/146:45 amIAH - TYS
1 stop8h 12mMultiple Airlines
Deal found 10/27$210
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/112:50 pmTYS - IAH
2 stops30h 39mMultiple Airlines
Sat 12/68:07 pmIAH - TYS
1 stop24h 37mMultiple Airlines
Deal found 10/27$225
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/246:32 pmTYS - IAH
1 stop21h 08mMultiple Airlines
Tue 12/26:09 pmIAH - TYS
1 stop16h 54mMultiple Airlines
Deal found 10/28$226
This Delta deal was found by Cheapflights users on 10/28. 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 12/512:50 pmTYS - IAH
1 stop6h 29mDelta
Sun 12/74:28 pmIAH - TYS
1 stop6h 00mDelta
Deal found 10/28$229

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to George Bush Intcntl 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 October 28, 2025.
Use the filters below to find and compare flights from Knoxville to Houston George Bush Intcntl Airport that are best for you.

Fly from

Knoxville

Fly to

George Bush Intcntl

Route

Depart

Return

Price

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Wed 12/10

6:09 pm-7:54 am

1 stop14h 45m

Houston George Bush Intcntl

Thu 12/11

7:25 pm-8:33 am

1 stop12h 08m

$202

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 12/5

5:34 pm-6:29 pm

1 stop25h 55m

Houston George Bush Intcntl

Sun 12/14

7:25 pm-8:33 am

1 stop12h 08m

$221

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 12/5

5:40 am-8:51 am

1 stop4h 11m

Houston George Bush Intcntl

Sun 12/7

7:01 am-1:44 pm

1 stop5h 43m

$229

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sun 12/7

7:59 pm-11:59 pm

1 stop5h 00m

Houston George Bush Intcntl

Thu 12/18

7:01 am-2:52 pm

1 stop6h 51m

$229

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 11/13

5:38 pm-5:26 pm

1 stop24h 48m

Houston George Bush Intcntl

Sun 11/16

8:35 pm-6:36 pm

2 stops21h 01m

$246

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 11/13

8:07 pm-11:57 pm

1 stop4h 50m

Houston George Bush Intcntl

Sun 11/16

6:40 pm-11:41 pm

1 stop4h 01m

$249

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 11/11

6:10 am-1:29 pm

1 stop8h 19m

Houston George Bush Intcntl

Sat 11/15

1:36 pm-8:11 pm

1 stop5h 35m

$249

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 11/20

4:27 pm-8:32 pm

1 stop5h 05m

Houston George Bush Intcntl

Mon 12/1

4:45 pm-11:59 pm

1 stop6h 14m

$259

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 10/31

8:15 am-9:33 am

1 stop26h 18m

Houston George Bush Intcntl

Mon 11/3

5:27 pm-10:33 am

1 stop16h 06m

$262

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Mon 11/17

9:29 pm-9:33 am

1 stop13h 04m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 16 results
1
2

Compare providers for flights from Knoxville to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to George Bush Intcntl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Knoxville-Houston George Bush Intcntl Airport flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Knoxville-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Knoxville-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Houston George Bush Intcntl Airport flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Knoxville-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Knoxville to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

What is the cheapest month to book a flight from Knoxville to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $177). Flying from Knoxville to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $248). 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 IAH?

Find hourly flight availability from Knoxville to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

It’s typically best to fly out from Knoxville to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated October 28, 2025.
See what other customers who have flown with United Airlines and American Airlines from Knoxville to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,032 reviews
United Airlines
7.4
Good
9,001 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Knoxville to George Bush Intcntl. 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 George Bush Intcntl?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly out of when you book flights from Knoxville to Houston George Bush Intcntl. 2 airlines have flights from McGhee Tyson to Houston George Bush Intcntl on a regular basis. Booking flights from Knoxville McGhee Tyson to Houston George Bush Intcntl should not be difficult; the airport handles an average of 5 outbound flights to Houston George Bush Intcntl per day.

  • How long is the flight from Knoxville to Houston George Bush Intcntl Airport?

    A quick flight from Knoxville to Houston George Bush Intcntl Airport can take about 4h 11m. Delta provides one of the quickest options available for as low as $229. Knoxville and Houston George Bush Intcntl Airport are separated by a distance of 770 mi.

  • What are the cheapest airlines flying from Knoxville to Houston George Bush Intcntl Airport round-trip?

    Flying on American Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $228. Another option worth looking into is United Airlines, starting at $244 round trip. These flights start at 36% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Knoxville to Houston George Bush Intcntl Airport?

    Before booking your flight to Houston George Bush Intcntl Airport from Knoxville, check out the most reliable airlines to get you to your destination on time: Mesa Airlines (100%), Air New Zealand (91%), United Airlines( 89%).

  • What are the cheapest flights from Knoxville to Houston George Bush Intcntl Airport?

    While on average a flight from Knoxville to Houston George Bush Intcntl Airport is generally $489, our data shows the cheapest flight currently is $153. When looking at the most popular route, (Knoxville McGhee Tyson - Houston George Bush Intcntl), you can expect to pay $188 for that flight.

  • Can I find deals for flights from Knoxville to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Knoxville to George Bush Intcntl?

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

  • Can I find deals for business class flights from Knoxville to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Knoxville to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, February is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $177). Flying from Knoxville to Houston George Bush Intcntl Airport in December is currently the most expensive (average of $248). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Katy
The Woodlands
Jersey Village
Spring
Humble
Conroe
Tomball
Cypress

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Top 2 airlines flying from Knoxville to George Bush Intcntl

Discover the top 2 airlines that operate flights from Knoxville to George Bush Intcntl. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$244Average$373FlexibilityNo cancel feeOn-time69%

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