HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$134+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — TYS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Tuesday or Saturday 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 September 11, 2025.

Round-trip from

$194
(Kiwi.com)

One-way from

$134
(United Airlines)

Popular in

December

Cheapest in

February

Average price

$398

Good round-trip deal

$309 or less

Good one-way deal

$215 or less
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. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Knoxville McGhee Tyson.
Search Deals

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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/248:37 pmIAH - TYS
1 stop10h 13mMultiple Airlines
Sat 11/110:17 amTYS - IAH
1 stop27h 35mMultiple Airlines
Deal found 9/9$194
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/88:47 pmIAH - TYS
1 stop15h 57mMultiple Airlines
Fri 11/142:02 pmTYS - IAH
1 stop20h 17mMultiple Airlines
Deal found 9/9$200
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/210:08 amIAH - TYS
1 stop27h 22mMultiple Airlines
Mon 10/610:46 amTYS - IAH
1 stop7h 28mMultiple Airlines
Deal found 9/9$207
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:20 pmIAH - TYS
Nonstop2h 23mUnited Airlines
Tue 10/77:15 amTYS - IAH
Nonstop2h 31mUnited Airlines
Deal found 9/10$209
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/14:36 pmIAH - TYS
1 stop15h 04mMultiple Airlines
Sun 10/55:44 pmTYS - IAH
2 stops42h 03mMultiple Airlines
Deal found 9/9$212
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/38:14 pmIAH - TYS
1 stop23h 54mMultiple Airlines
Mon 10/610:46 amTYS - IAH
1 stop7h 28mMultiple Airlines
Deal found 9/9$213
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/281:09 pmIAH - TYS
1 stop25h 27mMultiple Airlines
Fri 10/315:44 pmTYS - IAH
1 stop16h 35mMultiple Airlines
Deal found 9/9$216
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/211:09 pmIAH - TYS
1 stop25h 27mMultiple Airlines
Fri 10/318:15 amTYS - IAH
1 stop26h 18mMultiple Airlines
Deal found 9/9$218
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/512:42 pmIAH - TYS
1 stop6h 43mMultiple Airlines
Wed 10/83:20 pmTYS - IAH
1 stop20h 27mMultiple Airlines
Deal found 9/9$220
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/1010:04 amIAH - TYS
1 stop7h 33mMultiple Airlines
Mon 11/172:22 pmTYS - IAH
2 stops20h 11mMultiple Airlines
Deal found 9/9$222
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/211:09 pmIAH - TYS
1 stop25h 27mMultiple Airlines
Tue 10/283:56 pmTYS - IAH
1 stop18h 37mMultiple Airlines
Deal found 9/9$223
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:20 pmIAH - TYS
Nonstop2h 23mUnited Airlines
Wed 10/297:05 amTYS - IAH
Nonstop2h 43mUnited Airlines
Deal found 9/10$225

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 September 11, 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

Sun 10/26

5:30 am-10:36 am

1 stop4h 06m

Knoxville McGhee Tyson

Sat 11/1

9:30 am-12:24 pm

1 stop3h 54m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 11/27

11:00 am-6:54 pm

1 stop6h 54m

Knoxville McGhee Tyson

Mon 12/8

7:59 pm-11:57 pm

1 stop4h 58m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 10/2

8:20 pm-11:43 pm

Nonstop2h 23m

Knoxville McGhee Tyson

Mon 10/6

7:15 am-8:46 am

Nonstop2h 31m

$234

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 9/26

8:20 pm-11:43 pm

Nonstop2h 23m

Knoxville McGhee Tyson

Mon 9/29

12:00 pm-1:31 pm

Nonstop2h 31m

$246

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 10/16

2:12 pm-2:30 pm

1 stop23h 18m

Knoxville McGhee Tyson

Sat 10/18

4:26 pm-12:28 am

1 stop9h 02m

$252

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 9/25

8:05 am-11:21 am

Nonstop2h 16m

Knoxville McGhee Tyson

Sun 9/28

7:15 am-8:46 am

Nonstop2h 31m

$266

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 12/6

2:55 pm-6:09 pm

Nonstop2h 14m

Knoxville McGhee Tyson

Tue 12/9

9:10 am-10:52 am

Nonstop2h 42m

$285

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 10/8

5:42 pm-11:16 pm

2 stops52h 34m

Knoxville McGhee Tyson

Wed 10/15

4:26 pm-12:28 am

1 stop9h 02m

$288

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 9/26

8:20 pm-11:43 pm

Nonstop2h 23m

Knoxville McGhee Tyson

Tue 9/30

12:00 pm-1:31 pm

Nonstop2h 31m

$289

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 11/1

8:10 pm-10:03 am

1 stop12h 53m

Knoxville McGhee Tyson

Tue 11/4

11:23 am-10:23 pm

2 stops12h 00m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 21 results
1
2
3

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 August 29, 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $294). Flying from Houston George Bush Intcntl Airport to Knoxville in March is currently the most expensive (average of $376). 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 September 11, 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 23% 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 September 7, 2025.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Knoxville flight should consider departing on Friday evenings 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 September 11, 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
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
702 reviews
Delta
8.0
Very good
7,960 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 4 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 23m. The time it takes to get you to your destination can typically vary by up to 1h 43m. 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?

    Allegiant Air, at $53, was found to be the cheapest airline from Houston George Bush Intcntl Airport to Knoxville.Alternate airlines to your destination round-trip include American Airlines and Delta. Allegiant Air is currently priced 85% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Knoxville one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $134. Users have also found prices from $143 and $144 on Frontier and American Airlines, respectively.

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

    Consider ANA (77%), CommutAir (76%) or United Airlines (74%) 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 $413, our data shows the cheapest flight currently is $208. 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Knoxville (average of $294). Flying from Houston George Bush Intcntl Airport to Knoxville in March is currently the most expensive (average of $376). 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
Corbin
Alcoa
Oak Ridge
Murphy

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from George Bush Intcntl to Knoxville

Discover the top 4 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$53Average$112FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$306FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$333FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$440FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.