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George Bush Intcntl

$106+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAH
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap 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 February 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/232:06 pm
TYS
-
IAH
1 stop21h 12m
Multiple Airlines
Tue 3/314:20 pm
IAH
-
TYS
1 stop19h 25m
Multiple Airlines
Deal found 2/11$198
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:30 am
TYS
-
IAH
1 stop6h 54m
Multiple Airlines
Tue 3/319:15 pm
IAH
-
TYS
1 stop14h 30m
Multiple Airlines
Deal found 2/11$204
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/279:36 pm
TYS
-
IAH
1 stop11h 24m
Multiple Airlines
Tue 3/37:59 pm
IAH
-
TYS
1 stop21h 27m
Multiple Airlines
Deal found 2/11$208
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:05 am
TYS
-
IAH
Nonstop2h 41m
United Airlines
Mon 5/188:24 pm
IAH
-
TYS
Nonstop2h 20m
United Airlines
Deal found 2/11$209
This CheapOair deal was found by Cheapflights users on 2/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:12 pm
TYS
-
IAH
1 stop29h 21m
Frontier
Mon 2/236:39 am
IAH
-
TYS
1 stop11h 39m
Frontier
Deal found 2/11$213
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:06 pm
TYS
-
IAH
1 stop9h 35m
Multiple Airlines
Tue 3/37:59 pm
IAH
-
TYS
1 stop21h 27m
Multiple Airlines
Deal found 2/9$220
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:53 pm
TYS
-
IAH
1 stop29h 51m
Multiple Airlines
Thu 3/59:16 am
IAH
-
TYS
2 stops13h 11m
Multiple Airlines
Deal found 2/9$224
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:00 pm
TYS
-
IAH
1 stop18h 40m
Multiple Airlines
Tue 3/246:27 pm
IAH
-
TYS
1 stop15h 13m
Multiple Airlines
Deal found 2/11$225
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:53 pm
TYS
-
IAH
1 stop29h 51m
Multiple Airlines
Fri 3/612:40 pm
IAH
-
TYS
2 stops44h 54m
Multiple Airlines
Deal found 2/9$226
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:54 pm
TYS
-
IAH
1 stop6h 05m
American Airlines
Tue 5/123:11 pm
IAH
-
TYS
1 stop6h 45m
American Airlines
Deal found 2/9$229
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 am
TYS
-
IAH
2 stops30h 15m
Multiple Airlines
Thu 3/195:20 am
IAH
-
TYS
1 stop11h 02m
Multiple Airlines
Deal found 2/9$231

Find 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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Kiwi.com)

One-way from

$106
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$334

Good round-trip deal

$320 or less

Good one-way deal

$249 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
Search Deals
One-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
Search Deals

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 February 12, 2026.
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

Sat 5/2

9:00 am-10:37 am

Nonstop2h 37m

Houston George Bush Intcntl

Sat 5/9

2:55 pm-6:11 pm

Nonstop2h 16m

$209

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Mon 2/23

2:06 pm-10:41 pm

1 stop9h 35m

Houston George Bush Intcntl

Tue 3/3

7:59 pm-6:26 pm

1 stop21h 27m

$220

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 4/7

2:56 pm-11:59 pm

1 stop10h 03m

Houston George Bush Intcntl

Thu 4/9

11:32 am-10:05 pm

1 stop9h 33m

$226

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 2/27

9:36 pm-8:00 am

1 stop11h 24m

Houston George Bush Intcntl

Tue 3/3

9:40 pm-6:26 pm

1 stop19h 46m

$227

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 4/9

6:00 am-9:40 am

1 stop4h 40m

Houston George Bush Intcntl

Wed 4/15

6:00 am-12:30 pm

1 stop5h 30m

$229

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 3/24

12:03 pm-5:58 pm

1 stop6h 55m

Houston George Bush Intcntl

Sat 3/28

6:53 pm-11:57 pm

1 stop4h 04m

$239

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 5/9

5:39 am-8:47 am

1 stop4h 08m

Houston George Bush Intcntl

Mon 5/18

9:52 am-2:33 pm

1 stop3h 41m

$239

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 3/26

5:40 am-8:56 am

1 stop4h 16m

Houston George Bush Intcntl

Sat 3/28

6:53 pm-11:57 pm

1 stop4h 04m

$239

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 3/28

5:13 pm-9:32 pm

1 stop5h 19m

Houston George Bush Intcntl

Tue 3/31

5:23 am-11:17 am

1 stop4h 54m

$239

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 2/24

5:14 pm-11:11 am

1 stop18h 57m

Houston George Bush Intcntl

Fri 2/27

9:40 pm-2:04 pm

1 stop15h 24m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 20 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, January is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $172). Flying from Knoxville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $259). 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 February 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Houston George Bush Intcntl Airport as you normally would.

How much does it cost to fly round-trip from Knoxville to Houston George Bush Intcntl Airport?

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 February 12, 2026.
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
9,276 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,276 reviews
United Airlines
7.4
Good
9,276 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,267 reviews
United Airlines
7.4
Good
9,276 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 2 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 2h 37m. United Airlines provides one of the quickest options available for as low as $209. Knoxville and Houston George Bush Intcntl Airport are separated by a distance of 770 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 37% 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: Air New Zealand (76%), CommutAir (76%), United Airlines( 76%).

  • 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 $392, our data shows the cheapest flight currently is $178. When looking at the most popular route, (Knoxville McGhee Tyson - Houston George Bush Intcntl), you can expect to pay $209 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, January is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $172). Flying from Knoxville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $259). 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
The Woodlands
Spring
Katy
Tomball
Humble
Conroe
Jersey Village
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 February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$308FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$244Average$395FlexibilityNo cancel feeOn-time69%

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