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$93+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — TYS
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
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 October or September, booked 32 days in advance, depart on a Wednesday or Saturday and return on a Thursday

Cheap 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 July 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/21. 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 8/248:57 am
IAH
-
TYS
1 stop9h 08m
Multiple Airlines
Sun 9/67:00 am
TYS
-
IAH
1 stop18h 55m
Multiple Airlines
Deal found 7/21$181
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/146:00 am
IAH
-
TYS
2 stops15h 24m
Multiple Airlines
Mon 8/179:08 pm
TYS
-
IAH
1 stop18h 24m
Multiple Airlines
Deal found 7/22$217
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/88:35 am
IAH
-
TYS
1 stop24h 29m
Multiple Airlines
Sun 9/137:00 am
TYS
-
IAH
1 stop30h 10m
Multiple Airlines
Deal found 7/21$218
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/128:16 am
IAH
-
TYS
1 stop28h 50m
Multiple Airlines
Sun 8/167:00 am
TYS
-
IAH
1 stop28h 34m
Multiple Airlines
Deal found 7/22$223
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/118:16 am
IAH
-
TYS
1 stop26h 50m
Multiple Airlines
Sun 8/167:00 am
TYS
-
IAH
1 stop28h 34m
Multiple Airlines
Deal found 7/22$224
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/198:35 am
IAH
-
TYS
1 stop24h 29m
Multiple Airlines
Sun 8/2312:55 pm
TYS
-
IAH
2 stops19h 25m
Multiple Airlines
Deal found 7/22$226
This Kiwi.com deal was found by Cheapflights users on 7/21. 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 9/248:36 am
IAH
-
TYS
1 stop6h 51m
Multiple Airlines
Mon 9/2812:22 pm
TYS
-
IAH
1 stop28h 22m
Multiple Airlines
Deal found 7/21$228
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 9/294:39 pm
IAH
-
TYS
1 stop21h 03m
Multiple Airlines
Sun 10/47:31 pm
TYS
-
IAH
2 stops44h 34m
Multiple Airlines
Deal found 7/18$232
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/58:35 am
IAH
-
TYS
1 stop24h 29m
Multiple Airlines
Fri 9/111:54 pm
TYS
-
IAH
2 stops26h 11m
Multiple Airlines
Deal found 7/22$233

Find 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$181
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$509

Good round-trip deal

$349 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Knoxville McGhee Tyson flights.
Search Deals
From Houston George Bush Intcntl to Knoxville McGhee Tyson
Search Deals
One-way flight from Houston George Bush Intcntl to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Knoxville McGhee Tyson.
Search Deals

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 July 23, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 10/9

5:40 am-11:01 am

1 stop4h 21m

Knoxville McGhee Tyson

Mon 10/12

5:45 am-8:37 am

1 stop3h 52m

$289

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 9/10

7:00 am-12:51 pm

1 stop4h 51m

Knoxville McGhee Tyson

Sun 9/13

4:40 pm-10:33 pm

1 stop6h 53m

$289

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 8/6

5:41 am-11:11 am

1 stop4h 30m

Knoxville McGhee Tyson

Mon 8/10

5:40 am-8:37 am

1 stop3h 57m

$309

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 8/6

8:05 am-1:28 pm

1 stop4h 23m

Knoxville McGhee Tyson

Sun 8/9

5:40 am-8:37 am

1 stop3h 57m

$309

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Mon 8/3

2:45 pm-6:07 pm

Nonstop2h 22m

Knoxville McGhee Tyson

Mon 8/10

7:15 am-8:40 am

Nonstop2h 25m

$344
Quickest round-trip

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 8/6

8:00 am-11:19 am

Nonstop2h 19m

Knoxville McGhee Tyson

Mon 8/10

7:15 am-8:40 am

Nonstop2h 25m

$369

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 8/1

7:50 pm-11:12 pm

Nonstop2h 22m

Knoxville McGhee Tyson

Sat 8/8

7:15 am-8:40 am

Nonstop2h 25m

$369

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 9/25

9:44 am-5:40 pm

1 stop6h 56m

Knoxville McGhee Tyson

Sun 9/27

12:05 pm-5:32 pm

1 stop6h 27m

$369

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 8/14

1:45 pm-8:53 pm

1 stop6h 08m

Knoxville McGhee Tyson

Mon 8/17

7:15 am-8:44 am

Nonstop2h 29m

$389

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 8/15

8:35 am-11:52 am

Nonstop2h 17m

Knoxville McGhee Tyson

Sat 8/22

1:59 pm-7:10 pm

1 stop6h 11m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 Houston George Bush Intcntl Airport-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Knoxville flight deals on Cheapflights vs. FlightHub >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 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 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?

The best time to book flights from Houston George Bush Intcntl Airport to Knoxville is 30 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $306). Flying from Houston George Bush Intcntl Airport to Knoxville in June is currently the most expensive (average of $650). 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 July 23, 2026.

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 22% on your trip compared to booking a flight at noon.

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 July 18, 2026.

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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 July 23, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Good
8,479 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,479 reviews
Delta
7.8
Good
8,479 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
10,024 reviews
Delta
7.8
Good
8,479 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,832 reviews
Delta
7.8
Good
8,479 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 Delta and United Airlines fly from Houston George Bush Intcntl Airport to Knoxville in about 2h 22m. The time it takes to get you to your destination can typically vary by up to 1h 59m. 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?

    American Airlines, at $228, was found to be the cheapest airline from Houston George Bush Intcntl Airport to Knoxville.Alternate airlines to your destination round-trip include Delta and United Airlines. American Airlines is currently priced 48% 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 ANA (82%), Air New Zealand (80%) or Emirates (79%) 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 $443, our data shows the cheapest flight currently is $213. When looking at the most popular route, (Houston George Bush Intcntl - Knoxville McGhee Tyson), you can expect to pay $181 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $306). Flying from Houston George Bush Intcntl Airport to Knoxville in June is currently the most expensive (average of $650). 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
Cherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa

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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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$386FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$457FlexibilityNo cancel feeOn-time69%

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