$131 Cheap Flights from Houston (IAH) to Knoxville (TYS)

View $131 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)

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Cheap Flights from Houston to Knoxville (IAH-TYS)

Prices were available within the past 7 days and start at $131 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Nov 8 - Tue, Nov 11
IAH
Houston
TYS
Knoxville
$209 Roundtrip, just found
$209
Roundtrip
just found
Select United flight, departing Sat, Nov 8 from Houston to Knoxville, returning Tue, Nov 11, priced at $209 just found
United
Sat, Nov 15 - Tue, Nov 18
IAH
Houston
TYS
Knoxville
$219 Roundtrip, just found
$219
Roundtrip
just found
Select United flight, departing Sat, Nov 15 from Houston to Knoxville, returning Tue, Nov 18, priced at $219 just found
United
Wed, Oct 29 - Sat, Nov 1
IAH
Houston
TYS
Knoxville
$226 Roundtrip, just found
$226
Roundtrip
just found
Select United flight, departing Wed, Oct 29 from Houston to Knoxville, returning Sat, Nov 1, priced at $226 just found
United
Sat, Sep 13 - Wed, Sep 17
IAH
Houston
TYS
Knoxville
$229 Roundtrip, found 1 day ago
$229
Roundtrip
found 1 day ago
Select United flight, departing Sat, Sep 13 from Houston to Knoxville, returning Wed, Sep 17, priced at $229 found 1 day ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
IAH
Houston
TYS
Knoxville
$229 Roundtrip, just found
$229
Roundtrip
just found
Select American Airlines flight, departing Sat, Nov 8 from Houston to Knoxville, returning Tue, Nov 11, priced at $229 just found
Delta
Sat, Nov 8 - Tue, Nov 11
IAH
Houston
TYS
Knoxville
$229 Roundtrip, just found
$229
Roundtrip
just found
Select Delta flight, departing Sat, Nov 8 from Houston to Knoxville, returning Tue, Nov 11, priced at $229 just found
United
Wed, Aug 27 - Sun, Aug 31
IAH
Houston
TYS
Knoxville
$229 Roundtrip, found 5 hours ago
$229
Roundtrip
found 5 hours ago
Select United flight, departing Wed, Aug 27 from Houston to Knoxville, returning Sun, Aug 31, priced at $229 found 5 hours ago
United
Thu, Aug 21 - Thu, Aug 28
IAH
Houston
TYS
Knoxville
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select United flight, departing Thu, Aug 21 from Houston to Knoxville, returning Thu, Aug 28, priced at $231 found 3 days ago
United
Wed, Feb 4 - Sun, Feb 8
IAH
Houston
TYS
Knoxville
$234 Roundtrip, found 6 hours ago
$234
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Feb 4 from Houston to Knoxville, returning Sun, Feb 8, priced at $234 found 6 hours ago
United
Sat, Sep 6 - Tue, Sep 9
IAH
Houston
TYS
Knoxville
$235 Roundtrip, found 2 hours ago
$235
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Sep 6 from Houston to Knoxville, returning Tue, Sep 9, priced at $235 found 2 hours ago

Find the cheapest month to fly from Houston (IAH) to Knoxville (TYS)

January is typically the cheapest month to fly

From $158 - $457 per traveler.

Graph displaying average flight prices per month

Alternative airports near Knoxville

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to McGhee Tyson TYS. Cheapest and Closest option available. Average driving time to city center is 22 minutes. Flights from $309
TYS
McGhee Tyson
CheapestClosest
Average driving time to city center22 min
Flights from $309
Flights from Houston (IAH) to Knoxville (TYS)
Origin airport
George Bush Intercontinental
Destination airport
McGhee Tyson
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$209
Distance
770 mi
Average flight time
3 hours 25 mins

Houston to Knoxville Flights

The cheapest times to fly from Houston to Knoxville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Knoxville are during the month of November. You can find some of the cheapest flights from Houston to Knoxville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Knoxville

Sunday is one of the best days to book for cheap flights from Houston to Knoxville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Knoxville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Knoxville in 2025. You can also book with separate airlines for your outbound and return journeys, from $131 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Knoxville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Knoxville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) cost?
Snag a cheap one-way flight from $131 or cheap return flight from $209 from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
November is the least expensive month to fly from IAH to TYS. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
When heading out of George Bush Intercontinental Airport (IAH), you can take a direct flight to McGhee Tyson Airport (TYS) with United Airlines.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from IAH to TYS. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
With, on average, 4 nonstop flights that operate from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) every day, you'll be up in the air in no time.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
Flights between IAH and TYS tend to be busiest at 4 PM. For a quieter trip and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from IAH to TYS?
Travel on a Saturday if you're searching for the largest selection of flights from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
Hop on the earliest flight at around 10:40AM UTC-6, leaving from George Bush Intercontinental Airport (IAH). You'll be in the air for roughly 2h 18m, landing at McGhee Tyson Airport (TYS) at approximately 1:58PM UTC-5.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
It takes approximately 2 hours and 18 minutes to travel the 770 mi from IAH to TYS.
What airline has the least delays from IAH to TYS?
With 82% of journeys generally arriving as scheduled, United Airlines has the best on-time performance for nonstop flights from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS). To monitor your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
To land at McGhee Tyson Airport (TYS) on time, choose a flight that leaves from George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Knoxville from George Bush Intercontinental Airport (IAH)?
If you're on a direct flight from George Bush Intercontinental Airport (IAH) to Knoxville, McGhee Tyson Airport (TYS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS) last-minute?
Holding off until just before your departure to book a flight from IAH to TYS often results in higher prices. Although you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book an IAH to TYS flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAH to TYS flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to McGhee Tyson Airport (TYS)?
It's usually possible to cancel or reschedule your IAH to TYS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.