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$75+ Cheap flights from George Bush Intcntl (IAH) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — TYS
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Knoxville McGhee Tyson are usually found in February or January, booked 78 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap flight deals from George Bush Intcntl to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$110
(Frontier)

One-way from

$75
(Priceline)

Popular in

November

Cheapest in

February

Average price

$418

Good round-trip deal

$262 or less

Good one-way deal

$133 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Knoxville McGhee Tyson flights.
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From Houston George Bush Intcntl to Knoxville McGhee Tyson
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One-way flight from Houston George Bush Intcntl to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Knoxville McGhee Tyson.
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Find flight deals from George Bush Intcntl to Knoxville

Cheapest flights from George Bush Intcntl to Knoxville
Explore the most affordable flight options available from George Bush Intcntl to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This Frontier deal was found by Cheapflights users on 11/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:45 amIAH - TYS
1 stop8h 12mFrontier
Thu 12/114:52 pmTYS - IAH
1 stop8h 39mFrontier
Deal found 11/10$110
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Thu 12/46:15 amIAH - TYS
1 stop14h 22mMultiple Airlines
Wed 12/106:09 pmTYS - IAH
1 stop14h 45mMultiple Airlines
Deal found 11/7$179
This Kiwi.com deal was found by Cheapflights users on 11/7. 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.
Thu 12/46:15 amIAH - TYS
1 stop14h 22mMultiple Airlines
Thu 12/118:30 amTYS - IAH
1 stop10h 59mMultiple Airlines
Deal found 11/7$186
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Tue 12/26:09 pmIAH - TYS
1 stop16h 54mMultiple Airlines
Mon 12/151:05 pmTYS - IAH
1 stop6h 24mMultiple Airlines
Deal found 11/9$196
This Priceline deal was found by Cheapflights users on 11/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:45 amIAH - TYS
1 stop8h 12mFrontier
Mon 12/154:52 pmTYS - IAH
1 stop8h 39mFrontier
Deal found 11/10$200
This Frontier deal was found by Cheapflights users on 11/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:45 amIAH - TYS
1 stop8h 12mFrontier
Thu 12/114:52 pmTYS - IAH
1 stop8h 39mFrontier
Deal found 11/9$201
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/711:05 amIAH - TYS
1 stop9h 39mMultiple Airlines
Thu 12/118:30 amTYS - IAH
1 stop10h 59mMultiple Airlines
Deal found 11/7$203
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/37:00 amIAH - TYS
1 stop9h 12mMultiple Airlines
Wed 12/106:09 pmTYS - IAH
1 stop14h 45mMultiple Airlines
Deal found 11/7$206
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Tue 12/26:09 pmIAH - TYS
1 stop16h 54mMultiple Airlines
Thu 12/114:52 pmTYS - IAH
1 stop8h 39mMultiple Airlines
Deal found 11/9$208
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Mon 12/88:30 pmIAH - TYS
Nonstop2h 14mUnited Airlines
Mon 12/157:05 amTYS - IAH
Nonstop2h 43mUnited Airlines
Deal found 11/7$209

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 November 10, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Knoxville that are best for you.

Fly from

George Bush Intcntl

Fly to

Knoxville

Route

Depart

Return

Price

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Tue 12/9

8:30 pm-11:44 pm

Nonstop2h 14m

Knoxville McGhee Tyson

Tue 12/16

9:10 am-10:52 am

Nonstop2h 42m

$209

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/6

1:36 pm-6:58 pm

1 stop4h 22m

Knoxville McGhee Tyson

Tue 12/9

6:00 pm-9:11 pm

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 12/3

9:46 am-4:53 pm

1 stop6h 07m

Knoxville McGhee Tyson

Tue 12/9

6:00 pm-9:11 pm

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 12/5

4:28 pm-11:28 pm

1 stop6h 00m

Knoxville McGhee Tyson

Mon 12/15

5:40 am-8:51 am

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Tue 12/2

12:35 pm-8:05 pm

1 stop6h 30m

Knoxville McGhee Tyson

Sun 12/14

5:40 am-8:51 am

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 12/3

12:35 pm-8:02 pm

1 stop6h 27m

Knoxville McGhee Tyson

Fri 12/12

5:40 am-8:51 am

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/6

1:36 pm-8:10 pm

1 stop5h 34m

Knoxville McGhee Tyson

Mon 12/15

5:40 am-8:51 am

1 stop4h 11m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 12/3

12:35 pm-8:02 pm

1 stop6h 27m

Knoxville McGhee Tyson

Sat 12/13

3:50 pm-8:10 pm

1 stop5h 20m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Tue 3/17

6:00 am-11:07 am

1 stop4h 07m

Knoxville McGhee Tyson

Sat 3/21

10:05 am-3:04 pm

1 stop5h 59m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/6

11:58 am-4:49 pm

1 stop3h 51m

Knoxville McGhee Tyson

Wed 12/10

5:40 am-11:30 am

1 stop6h 50m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 22 results
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Compare providers for flights from George Bush Intcntl to Knoxville

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 George Bush Intcntl to Knoxville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 Houston George Bush Intcntl Airport-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Knoxville flights, Cheapflights users trust eDreams the most. eDreams 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 Houston George Bush Intcntl Airport-Knoxville 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 George Bush Intcntl to Knoxville

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

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Knoxville. Price data was last updated on November 7, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Knoxville is 78 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 Houston George Bush Intcntl Airport to Knoxville?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $116). Flying from Houston George Bush Intcntl Airport to Knoxville in November is currently the most expensive (average of $232). 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 IAH to TYS?

Find hourly flight availability from George Bush Intcntl 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 November 10, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Knoxville in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Knoxville. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Knoxville flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday mornings 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 November 10, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Knoxville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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.
United Airlines
7.4
Good
9,012 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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.
American Airlines
7.2
Good
11,045 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Entertainment

7.9

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.3

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 George Bush Intcntl 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 George Bush Intcntl?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Knoxville. 3 airlines have flights to McGhee Tyson from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Knoxville McGhee Tyson should not be difficult; the airport handles an average of 8 inbound flights from Houston George Bush Intcntl per day.

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

    Airlines like United Airlines and Delta fly from Houston George Bush Intcntl Airport to Knoxville in about 2h 14m. The time it takes to get you to your destination can typically vary by up to 2h 08m. Houston George Bush Intcntl Airport and Knoxville are separated by a distance of 770 mi. This flight may include one or multiple stops.

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

    Delta, at $190, was found to be the cheapest airline from Houston George Bush Intcntl Airport to Knoxville.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Delta is currently priced 45% below the average price you’ll pay for this route.

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

    Consider CommutAir (91%), United Airlines (91%) or Air New Zealand (88%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to Knoxville.

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

    While on average a flight from Houston George Bush Intcntl Airport to Knoxville is generally $242, our data shows the cheapest flight currently is $133. When looking at the most popular route, (Houston George Bush Intcntl - Knoxville McGhee Tyson), you can expect to pay $209 for that flight.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $116). Flying from Houston George Bush Intcntl Airport to Knoxville in November is currently the most expensive (average of $232). 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
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 3 airlines flying from George Bush Intcntl to Knoxville

Discover the top 3 airlines that operate flights from George Bush Intcntl 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$190Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$417FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$299FlexibilityNo cancel feeOn-time71%

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