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Cheap flights from Houston to Knoxville from $86

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Knoxville departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Houston to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:10 pm - 11:11 pm
HOU
-
TYS
2h 01mnonstop
Allegiant Air Logo
6:06 pm - 7:30 pm
TYS
-
HOU
2h 24mnonstop
$160Allegiant Air
Fri, Jan 2 - Mon, Jan 5
Frontier Logo
6:45 am - 3:35 pm
IAH
-
TYS
7h 50m1 stop
Frontier Logo
4:30 pm - 12:33 am
TYS
-
IAH
9h 03m1 stop
$162Frontier
Mon, Jan 26 - Mon, Feb 2
Multiple Airlines Logo
6:30 am - 5:53 pm
IAH
-
TYS
10h 23m1 stop
Multiple Airlines Logo
5:59 pm - 11:58 pm
TYS
-
IAH
6h 59m1 stop
$166Multiple Airlines
Thu, Jan 22 - Sat, Jan 24
Multiple Airlines Logo
4:35 pm - 8:39 am
IAH
-
TYS
15h 04m1 stop
Multiple Airlines Logo
1:39 pm - 10:53 pm
TYS
-
IAH
10h 14m1 stop
$181Multiple Airlines
Sat, Jan 24 - Sun, Jan 25
Multiple Airlines Logo
4:35 pm - 8:39 am
IAH
-
TYS
15h 04m1 stop
Multiple Airlines Logo
9:29 am - 8:23 pm
TYS
-
IAH
11h 54m1 stop
$191Multiple Airlines
Sat, Jan 10 - Thu, Jan 15
Multiple Airlines Logo
8:13 pm - 1:10 pm
IAH
-
TYS
15h 57m1 stop
Multiple Airlines Logo
6:18 pm - 10:01 am
TYS
-
IAH
16h 43m1 stop
$192Multiple Airlines
Wed, Jan 7 - Fri, Jan 9
Delta Logo
5:04 pm - 11:45 pm
HOU
-
TYS
5h 41m1 stop
Delta Logo
5:40 am - 10:21 am
TYS
-
HOU
5h 41m1 stop
$229Delta
Wed, Jan 7 - Wed, Jan 14
American Airlines Logo
9:04 am - 3:46 pm
HOU
-
TYS
5h 42m1 stop
American Airlines Logo
12:21 pm - 6:06 pm
TYS
-
HOU
6h 45m1 stop
$233American Airlines
Thu, Feb 5 - Sun, Feb 8
American Airlines Logo
6:00 am - 11:34 am
HOU
-
TYS
4h 34m1 stop
American Airlines Logo
6:00 am - 10:05 am
TYS
-
HOU
5h 05m1 stop
$249American Airlines
Mon, Jan 19 - Thu, Jan 29
Delta Logo
5:04 pm - 11:45 pm
HOU
-
TYS
5h 41m1 stop
Delta Logo
5:40 am - 10:21 am
TYS
-
HOU
5h 41m1 stop
$254Delta
Wed, Jan 7 - Sun, Jan 18

Delta flights from Houston to Knoxville

Our best Delta deals on Houston to Knoxville flight tickets
Delta
Jan 7
HOU5:04 pmHouston Hobby
5h 41m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
Jan 13
TYS6:10 pmKnoxville McGhee Tyson
5h 23m
1 stop
HOU10:33 pmHouston Hobby
$229
Find similar
Delta
Jan 6
IAH5:30 amHouston George Bush Intcntl
3h 45m
1 stop
TYS10:15 amKnoxville McGhee Tyson
Jan 12
TYS6:09 pmKnoxville McGhee Tyson
6h 47m
1 stop
IAH11:56 pmHouston George Bush Intcntl
$249
Find similar
Delta
Jan 7
HOU5:04 pmHouston Hobby
5h 41m
1 stop
TYS11:45 pmKnoxville McGhee Tyson
Jan 18
TYS5:40 amKnoxville McGhee Tyson
5h 41m
1 stop
HOU10:21 amHouston Hobby
$254
Find similar

United Airlines flights from Houston to Knoxville

Our best United Airlines deals on Houston to Knoxville flight tickets
United Airlines
Jan 7
IAH10:30 amHouston George Bush Intcntl
2h 20m
TYS1:50 pmKnoxville McGhee Tyson
Jan 15
TYS11:40 amKnoxville McGhee Tyson
2h 48m
IAH1:28 pmHouston George Bush Intcntl
$209
Find similar
United Airlines
Jan 4
IAH8:27 pmHouston George Bush Intcntl
2h 15m
TYS11:42 pmKnoxville McGhee Tyson
Jan 10
TYS4:55 pmKnoxville McGhee Tyson
2h 48m
IAH6:43 pmHouston George Bush Intcntl
$264
Find similar
United Airlines
Dec 30
IAH8:27 pmHouston George Bush Intcntl
2h 15m
TYS11:42 pmKnoxville McGhee Tyson
Jan 7
TYS4:55 pmKnoxville McGhee Tyson
2h 48m
IAH6:43 pmHouston George Bush Intcntl
$299
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Houston 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, momondo users made 832,500 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Houston to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 1/2

8:10 pm-11:11 pm

Nonstop2h 01m

Knoxville McGhee Tyson

Mon 1/5

6:06 pm-7:30 pm

Nonstop2h 24m

$160

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Mon 1/26

6:45 am-3:35 pm

1 stop7h 50m

Knoxville McGhee Tyson

Mon 2/2

4:30 pm-12:33 am

1 stop9h 03m

$162

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Thu 1/22

6:30 am-5:53 pm

1 stop10h 23m

Knoxville McGhee Tyson

Sat 1/24

5:59 pm-11:58 pm

1 stop6h 59m

$166

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 1/24

4:35 pm-8:39 am

1 stop15h 04m

Knoxville McGhee Tyson

Sun 1/25

1:39 pm-10:53 pm

1 stop10h 14m

$181

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Sat 1/10

4:35 pm-8:39 am

1 stop15h 04m

Knoxville McGhee Tyson

Thu 1/15

9:29 am-8:23 pm

1 stop11h 54m

$191

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 1/7

8:13 pm-1:10 pm

1 stop15h 57m

Knoxville McGhee Tyson

Fri 1/9

6:18 pm-10:01 am

1 stop16h 43m

$192

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Wed 1/7

5:04 pm-11:45 pm

1 stop5h 41m

Knoxville McGhee Tyson

Wed 1/14

5:40 am-10:21 am

1 stop5h 41m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Thu 2/5

9:04 am-3:46 pm

1 stop5h 42m

Knoxville McGhee Tyson

Sun 2/8

12:21 pm-6:06 pm

1 stop6h 45m

$233

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Mon 1/19

6:00 am-11:34 am

1 stop4h 34m

Knoxville McGhee Tyson

Thu 1/29

6:00 am-10:05 am

1 stop5h 05m

$249

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Wed 1/7

5:04 pm-11:45 pm

1 stop5h 41m

Knoxville McGhee Tyson

Sun 1/18

5:40 am-10:21 am

1 stop5h 41m

$254

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Houston to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Houston, with most prices found around $248. If you aren’t able to travel during the month of August, then book flights to Knoxville from Houston during June instead. Flights to Knoxville in June, while not as cheap as those in August, still average around $258.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Houston to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $88. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Houston to Knoxville for around $399.

What is the cheapest time of day to depart on your flight to Knoxville?

In the evening is the cheapest time of day to fly from Houston to Knoxville when you can find flight prices for as low as $252. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $428.

What is the cheapest Houston to Knoxville McGhee Tyson flight route?

Fly from Houston Hobby to Knoxville McGhee Tyson for the best Houston - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $300 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Houston for as low as $211 on momondo.

What cabin class options are available on Houston to Knoxville McGhee Tyson flights?

There is only 1 cabin class available to choose from on Houston to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Knoxville

Fastest flight time

2h 01m

Direct flights

Every day

Airports in Knoxville

1 airport
The fastest flight from Houston to Knoxville takes 2h 01m
Direct flights go from Houston to Knoxville every day.
There is 1 airport in Knoxville. From Houston there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

  • How far is Houston to Knoxville McGhee Tyson by plane?

    There are 789.2 mi between Houston and Knoxville McGhee Tyson. Typically, this will take 2h 01m by plane in normal conditions.

  • When did momondo last update prices for flights from Houston to Knoxville McGhee Tyson Airport?

    Prices for flights from Houston to Knoxville McGhee Tyson Airport were last updated today.

  • How many operators does momondo search for flights from Houston to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Houston to Knoxville McGhee Tyson Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The necessary travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Knoxville

Compare and see reviews for airlines that fly from Houston to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $64Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
DeltaPriceFrom $190Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $211Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Murphy
Alcoa
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Jefferson City
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Knoxville?

It is quick and easy to find Houston to Knoxville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Knoxville that suits you.

Can I find flights from Houston to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Knoxville?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Knoxville.

I’m not ready to book a flight from Houston to Knoxville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Knoxville from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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