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$88+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — TYS
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$163
(Priceline)

One-way from

$88
(Priceline)

Popular in

December

Cheapest in

February

Average price

$369

Good round-trip deal

$279 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 ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 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 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 October 28, 2025.

This Priceline deal was found by Cheapflights users on 10/25. 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 Priceline 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
Sun 12/74:52 pmTYS - IAH
1 stop8h 39mFrontier
Deal found 10/25$163
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.
Sat 12/68:07 pmIAH - TYS
1 stop24h 37mMultiple Airlines
Wed 12/106:09 pmTYS - IAH
1 stop14h 45mMultiple Airlines
Deal found 10/27$189
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 11/106:10 amIAH - TYS
2 stops14h 26mMultiple Airlines
Mon 11/179:09 pmTYS - IAH
1 stop13h 02mMultiple Airlines
Deal found 10/27$201
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 amIAH - TYS
2 stops14h 26mMultiple Airlines
Fri 11/142:02 pmTYS - IAH
1 stop20h 17mMultiple Airlines
Deal found 10/26$203
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:45 amIAH - TYS
1 stop8h 12mFrontier
Sun 12/144:52 pmTYS - IAH
1 stop8h 39mFrontier
Deal found 10/26$209
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 11/136:00 amIAH - TYS
1 stop11h 22mFrontier
Sun 11/167:07 pmTYS - IAH
1 stop29h 32mFrontier
Deal found 10/27$215
This Mytrip deal was found by Cheapflights users on 10/25. 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.
Fri 11/145:27 pmIAH - TYS
1 stop15h 37mMultiple Airlines
Mon 11/179:09 pmTYS - IAH
1 stop13h 02mMultiple Airlines
Deal found 10/25$217
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:25 pmIAH - TYS
1 stop15h 38mMultiple Airlines
Sun 12/74:52 pmTYS - IAH
1 stop8h 39mMultiple Airlines
Deal found 10/25$221
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:27 pmIAH - TYS
1 stop16h 07mMultiple Airlines
Fri 11/219:45 pmTYS - IAH
1 stop12h 16mMultiple Airlines
Deal found 10/26$222
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/277:01 amIAH - TYS
1 stop5h 43mDelta
Thu 11/276:05 pmTYS - IAH
1 stop5h 25mDelta
Deal found 10/26$229
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:25 pmIAH - TYS
1 stop12h 08mMultiple Airlines
Sun 12/75:23 pmTYS - IAH
2 stops16h 52mMultiple Airlines
Deal found 10/25$234

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 October 28, 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

Fri 11/14

5:27 pm-10:04 am

1 stop15h 37m

Knoxville McGhee Tyson

Mon 11/17

9:09 pm-9:11 am

1 stop13h 02m

$217

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 11/15

10:05 am-1:19 pm

Nonstop2h 14m

Knoxville McGhee Tyson

Tue 11/18

9:10 am-10:53 am

Nonstop2h 43m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/6

1:36 pm-6:58 pm

1 stop4h 22m

Knoxville McGhee Tyson

Wed 12/10

7:39 am-3:01 pm

1 stop8h 22m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 2/21

10:23 am-3:40 pm

1 stop4h 17m

Knoxville McGhee Tyson

Sat 2/28

4:18 pm-7:53 pm

1 stop4h 35m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 11/27

11:00 am-4:51 pm

1 stop4h 51m

Knoxville McGhee Tyson

Mon 12/8

3:57 pm-9:11 pm

1 stop6h 14m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/20

9:30 am-9:34 pm

1 stop11h 04m

Knoxville McGhee Tyson

Tue 12/23

3:19 pm-4:52 pm

2 stops26h 33m

$250

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 11/7

4:55 pm-8:09 pm

Nonstop2h 14m

Knoxville McGhee Tyson

Sat 11/8

7:00 am-8:43 am

Nonstop2h 43m

$264

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 3/21

7:15 am-3:06 pm

1 stop6h 51m

Knoxville McGhee Tyson

Tue 3/24

5:30 am-11:12 am

1 stop6h 42m

$274

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Tue 11/25

12:35 pm-7:02 pm

1 stop5h 27m

Knoxville McGhee Tyson

Thu 11/27

6:05 pm-10:30 pm

1 stop5h 25m

$274

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sun 11/23

6:40 pm-11:41 pm

1 stop4h 01m

Knoxville McGhee Tyson

Thu 11/27

6:05 pm-10:30 pm

1 stop5h 25m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 19 results
1
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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 October.
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 October 24, 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 July is currently the most expensive (average of $220). 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 October 28, 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 17% 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 October 26, 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 October 28, 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
7,996 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 7 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, Delta, and American Airlines 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 46% 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%), Air New Zealand (85%) or Emirates (85%) 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 $269, 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 $208 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 July is currently the most expensive (average of $220). 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
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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$190Average$318FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$298FlexibilityNo cancel feeOn-time71%

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