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George Bush Intcntl

$96+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — IAH
Jul 13 — Jul 201
Sun 7/13
Sun 7/20
1 adult, Economy
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Houston George Bush Intcntl are usually found in September or December, booked 65 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 July 8, 2025.

Round-trip from

$192
(Mytrip)

One-way from

$96
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$381

Good round-trip deal

$394 or less

Good one-way deal

$294 or less
From Knoxville McGhee Tyson to Houston George Bush Intcntl
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One-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl
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Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Knoxville McGhee Tyson to Houston George Bush Intcntl.
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Find 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 July 8, 2025.

This Mytrip deal was found by Cheapflights users on 7/8. 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.
Thu 8/73:11 pmTYS - IAH
1 stop7h 28mMultiple Airlines
Mon 8/116:31 pmIAH - TYS
1 stop14h 31mMultiple Airlines
Deal found 7/8$192
This United Airlines deal was found by Cheapflights users on 7/7. 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.
Fri 10/177:15 amTYS - IAH
Nonstop2h 31mUnited Airlines
Sun 10/198:20 pmIAH - TYS
Nonstop2h 23mUnited Airlines
Deal found 7/7$209
This Delta deal was found by Cheapflights users on 7/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:14 pmTYS - IAH
1 stop3h 50mDelta
Sun 8/245:45 amIAH - TYS
1 stop4h 18mDelta
Deal found 7/7$229
This American Airlines deal was found by Cheapflights users on 7/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/245:05 amTYS - IAH
1 stop4h 37mAmerican Airlines
Mon 7/286:23 pmIAH - TYS
1 stop4h 29mAmerican Airlines
Deal found 7/7$239
This FlightHub deal was found by Cheapflights users on 7/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/135:25 pmTYS - IAH
1 stop17h 59mFrontier
Sun 7/206:00 amIAH - TYS
1 stop9h 29mFrontier
Deal found 7/6$281

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 July 8, 2025.
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

Thu 8/7

3:11 pm-9:39 pm

1 stop7h 28m

Houston George Bush Intcntl

Mon 8/11

6:31 pm-10:02 am

1 stop14h 31m

$192

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 7/24

7:00 am-8:24 am

Nonstop2h 24m

Houston George Bush Intcntl

Mon 7/28

8:00 pm-11:27 pm

Nonstop2h 27m

$219

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Fri 8/22

6:14 pm-9:04 pm

1 stop3h 50m

Houston George Bush Intcntl

Sun 8/24

5:45 am-11:03 am

1 stop4h 18m

$229

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Thu 7/24

5:05 am-8:42 am

1 stop4h 37m

Houston George Bush Intcntl

Mon 7/28

6:23 pm-11:52 pm

1 stop4h 29m

$239

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sun 7/13

5:25 pm-10:24 am

1 stop17h 59m

Houston George Bush Intcntl

Sun 7/20

6:00 am-4:29 pm

1 stop9h 29m

$281

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 8/9

5:11 pm-11:47 pm

1 stop7h 36m

$96

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sun 7/20

5:25 pm-10:24 am

1 stop17h 59m

$145

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 7/29

2:02 pm-6:31 pm

1 stop5h 29m

$234

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Tue 7/29

7:00 am-8:24 am

Nonstop2h 24m

$259

KnoxvilleHouston

TYS - IAH

TYSIAH

Knoxville McGhee Tyson

Sat 7/26

5:30 am-9:59 am

1 stop5h 29m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

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

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

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to George Bush Intcntl. Price data was last updated on June 27, 2025.

To ensure you get the cheapest price possible for a flight from Knoxville to Houston George Bush Intcntl Airport, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Knoxville to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $241). Flying from Knoxville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 July 8, 2025.

It’s typically best to fly out from Knoxville to Houston George Bush Intcntl Airport in the afternoon. Doing so could potentially save you 52% on the flight price compared to flying at noon, which is usually more expensive.

Weekly flight availability from Knoxville to Houston George Bush Intcntl Airport

Explore weekly flight availability from Knoxville to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 8, 2025.

The most flights from TYS to IAH are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 July 8, 2025.
See what other customers who have flown with Delta, 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.
Delta
8.0
Very good
7,962 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
8,844 reviews
Delta
8.0
Very good
7,962 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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
7,962 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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!
Frontier
5.9
Fair
3,273 reviews
Delta
8.0
Very good
7,962 reviews

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

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 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 6 outbound flights to Houston George Bush Intcntl per day.

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

    Flying on United Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $219. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $229 and $239, respectively. These flights start at 42% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $145 on Frontier. Other airlines that offer cheap prices include American Airlines from $234 and United Airlines from $259 one-way.

  • 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 (80%), CommutAir (76%), United Airlines( 71%).

  • 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 $3,762, our data shows the cheapest flight currently is $204. 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, August is the cheapest month in which you can book a flight from Knoxville to Houston George Bush Intcntl Airport (average of $241). Flying from Knoxville to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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?

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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 July 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$248Average$375FlexibilityNo cancel feeOn-time69%

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