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$94+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — TYS
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$195
(Mytrip)

One-way from

$94
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$369

Good round-trip deal

$320 or less

Good one-way deal

$383 or less
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. 4% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 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 July 28, 2025.

This Mytrip deal was found by Cheapflights users on 7/26. 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.
Thu 8/145:27 pmIAH - TYS
1 stop15h 49mMultiple Airlines
Mon 8/186:00 amTYS - IAH
1 stop6h 50mMultiple Airlines
Deal found 7/26$195
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:20 pmIAH - TYS
Nonstop2h 24mUnited Airlines
Thu 9/117:20 amTYS - IAH
Nonstop2h 30mUnited Airlines
Deal found 7/27$209
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 10/172:30 pmIAH - TYS
1 stop7h 25mDelta
Sat 10/256:15 amTYS - IAH
1 stop7h 09mDelta
Deal found 7/26$229
This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:00 amIAH - TYS
1 stop9h 29mFrontier
Sun 8/175:25 pmTYS - IAH
1 stop7h 11mFrontier
Deal found 7/27$238
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:02 amIAH - TYS
1 stop8h 39mAmerican Airlines
Sun 11/166:10 amTYS - IAH
1 stop6h 16mAmerican Airlines
Deal found 7/27$259

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 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

Thu 8/14

5:27 pm-10:16 am

1 stop15h 49m

Knoxville McGhee Tyson

Mon 8/18

6:00 am-11:50 am

1 stop6h 50m

$195

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 9/4

8:20 pm-11:44 pm

Nonstop2h 24m

Knoxville McGhee Tyson

Thu 9/11

7:20 am-8:50 am

Nonstop2h 30m

$209

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 10/17

2:30 pm-10:55 pm

1 stop7h 25m

Knoxville McGhee Tyson

Tue 10/21

5:44 am-8:47 am

1 stop4h 03m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sun 8/10

6:00 am-4:29 pm

1 stop9h 29m

Knoxville McGhee Tyson

Sun 8/17

5:25 pm-11:36 pm

1 stop7h 11m

$238

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 11/14

6:02 am-3:41 pm

1 stop8h 39m

Knoxville McGhee Tyson

Sun 11/16

6:10 am-11:26 am

1 stop6h 16m

$259

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Tue 8/12

8:48 pm-12:32 pm

1 stop14h 44m

$94

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 8/2

10:04 pm-4:29 pm

1 stop17h 25m

$117

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 12/19

8:05 pm-11:19 pm

Nonstop2h 14m

$224

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Mon 12/1

6:00 am-11:23 am

1 stop4h 23m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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 July 25, 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 $295). 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 July 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 22% 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 July 27, 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.

Weekly flight availability from Houston George Bush Intcntl Airport to Knoxville

Explore weekly flight availability from George Bush Intcntl to Knoxville. 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 28, 2025.

The most flights from IAH to TYS are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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 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
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

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
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

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
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

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
7,971 reviews

Boarding

8.2

Crew

8.5

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!
Frontier
5.9
Fair
3,238 reviews
Delta
8.0
Very good
7,971 reviews

Boarding

8.2

Crew

8.5

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.

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

    United Airlines, at $209, 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 Frontier. United Airlines is currently priced 42% 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 (83%), Mesa Airlines (83%) 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 $459, our data shows the cheapest flight currently is $255. When looking at the most popular route, (Houston George Bush Intcntl - Knoxville McGhee Tyson), you can expect to pay $195 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 $295). 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
Corbin
Cherokee
Alcoa
Oak Ridge
Murphy

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$53Average$109FlexibilityNo cancel feeOn-time88%
DeltaCheapest$218Average$318FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$296FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$234Average$437FlexibilityNo cancel feeOn-time69%

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