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Cheap flights from Houston to Knoxville from $51

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston to Knoxville

Cheap round-trip flights

Allegiant Air Logo
8:47 am - 11:48 amHOU-TYS
2h 01mnonstop
Allegiant Air Logo
6:30 am - 7:57 amTYS-HOU
2h 27mnonstop
$101Allegiant Air
Find Deal
jue., nov. 6 - dom., nov. 9
Allegiant Air Logo
8:38 am - 11:38 amHOU-TYS
2h 00mnonstop
Allegiant Air Logo
6:30 am - 7:57 amTYS-HOU
2h 27mnonstop
$105Allegiant Air
Find Deal
jue., oct. 30 - jue., nov. 6
Southwest Logo
1:05 pm - 9:15 pmHOU-TYS
7h 10m2 stops
Southwest Logo
7:25 pm - 12:45 amTYS-HOU
6h 20m1 stop
$188Southwest
Find Deal
vie., mar. 6 - dom., mar. 8
United Airlines Logo
8:20 pm - 11:43 pmIAH-TYS
2h 23mnonstop
United Airlines Logo
9:30 am - 11:01 amTYS-IAH
2h 31mnonstop
$219United Airlines
Find Deal
jue., oct. 2 - mar., oct. 7
Delta Logo
6:00 am - 1:42 pmHOU-TYS
6h 42m1 stop
Delta Logo
6:15 am - 9:18 amTYS-HOU
4h 03m1 stop
$229Delta
Find Deal
dom., oct. 26 - sáb., nov. 1
Delta Logo
7:01 am - 1:44 pmIAH-TYS
5h 43m1 stop
Delta Logo
7:59 pm - 11:57 pmTYS-IAH
4h 58m1 stop
$229Delta
Find Deal
jue., nov. 27 - lun., dic. 8
American Airlines Logo
6:39 pm - 12:23 amHOU-TYS
4h 44m1 stop
American Airlines Logo
6:00 am - 9:42 amTYS-HOU
4h 42m1 stop
$239American Airlines
Find Deal
vie., oct. 24 - sáb., nov. 1
United Airlines Logo
2:55 pm - 6:09 pmIAH-TYS
2h 14mnonstop
United Airlines Logo
7:05 am - 8:48 amTYS-IAH
2h 43mnonstop
$256United Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10
American Airlines Logo
6:00 am - 11:45 amHOU-TYS
4h 45m1 stop
American Airlines Logo
6:00 am - 9:42 amTYS-HOU
4h 42m1 stop
$258American Airlines
Find Deal
mié., oct. 8 - sáb., oct. 11
Southwest Logo
6:30 am - 12:45 pmHOU-TYS
5h 15m1 stop
Southwest Logo
7:25 pm - 12:45 amTYS-HOU
6h 20m1 stop
$320Southwest
Find Deal
vie., mar. 6 - dom., mar. 8

Allegiant Air flights from Houston to Knoxville

Our best Allegiant Air deals on Houston to Knoxville flight tickets
Allegiant Air
Nov 6
HOU8:47 amHouston Hobby
2h 01m
TYS11:48 amKnoxville McGhee Tyson
Nov 9
TYS6:30 amKnoxville McGhee Tyson
2h 27m
HOU7:57 amHouston Hobby
$101
Find similar
Allegiant Air
Oct 30
HOU8:38 amHouston Hobby
2h 00m
TYS11:38 amKnoxville McGhee Tyson
Nov 6
TYS6:30 amKnoxville McGhee Tyson
2h 27m
HOU7:57 amHouston Hobby
$105
Find similar
Allegiant Air
Oct 19
HOU9:28 amHouston Hobby
2h 00m
TYS12:28 pmKnoxville McGhee Tyson
Oct 23
TYS7:20 amKnoxville McGhee Tyson
2h 18m
HOU8:38 amHouston Hobby
$114
Find similar

Southwest flights from Houston to Knoxville

Our best Southwest deals on Houston to Knoxville flight tickets
Southwest
Mar 6
HOU1:05 pmHouston Hobby
7h 10m
2 stops
TYS9:15 pmKnoxville McGhee Tyson
Mar 8
TYS7:25 pmKnoxville McGhee Tyson
6h 20m
1 stop
HOU12:45 amHouston Hobby
$188
Find similar
Southwest
Mar 6
HOU6:30 amHouston Hobby
5h 15m
1 stop
TYS12:45 pmKnoxville McGhee Tyson
Mar 8
TYS7:25 pmKnoxville McGhee Tyson
6h 20m
1 stop
HOU12:45 amHouston Hobby
$320
Find similar
Southwest
Mar 6
HOU1:05 pmHouston Hobby
7h 10m
2 stops
TYS9:15 pmKnoxville McGhee Tyson
Mar 8
TYS6:35 amKnoxville McGhee Tyson
7h 55m
2 stops
HOU1:30 pmHouston Hobby
$445
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 septiembre 16, 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

jue. 11/6

8:47 am-11:48 am

Nonstop2h 01m

Knoxville McGhee Tyson

dom. 11/9

6:30 am-7:57 am

Nonstop2h 27m

$101

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

jue. 10/30

8:38 am-11:38 am

Nonstop2h 00m

Knoxville McGhee Tyson

jue. 11/6

6:30 am-7:57 am

Nonstop2h 27m

$105

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 3/6

1:05 pm-9:15 pm

2 stops7h 10m

Knoxville McGhee Tyson

dom. 3/8

7:25 pm-12:45 am

1 stop6h 20m

$188

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

jue. 10/2

8:20 pm-11:43 pm

Nonstop2h 23m

Knoxville McGhee Tyson

mar. 10/7

9:30 am-11:01 am

Nonstop2h 31m

$219

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

dom. 10/26

6:00 am-1:42 pm

1 stop6h 42m

Knoxville McGhee Tyson

sáb. 11/1

6:15 am-9:18 am

1 stop4h 03m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

jue. 11/27

7:01 am-1:44 pm

1 stop5h 43m

Knoxville McGhee Tyson

lun. 12/8

7:59 pm-11:57 pm

1 stop4h 58m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 10/24

6:39 pm-12:23 am

1 stop4h 44m

Knoxville McGhee Tyson

sáb. 11/1

6:00 am-9:42 am

1 stop4h 42m

$239

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

sáb. 12/6

2:55 pm-6:09 pm

Nonstop2h 14m

Knoxville McGhee Tyson

mié. 12/10

7:05 am-8:48 am

Nonstop2h 43m

$256

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

mié. 10/8

6:00 am-11:45 am

1 stop4h 45m

Knoxville McGhee Tyson

sáb. 10/11

6:00 am-9:42 am

1 stop4h 42m

$258

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 3/6

6:30 am-12:45 pm

1 stop5h 15m

Knoxville McGhee Tyson

dom. 3/8

7:25 pm-12:45 am

1 stop6h 20m

$320

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 October is, on average, the cheapest month to fly to Knoxville from Houston, with most prices found around $238. If you aren’t able to travel during the month of October, then book flights to Knoxville from Houston during August instead. Flights to Knoxville in August, while not as cheap as those in October, still average around $248.

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

The cheapest day to depart from Houston to Knoxville is on a Thursday. Travelers who choose to depart for Knoxville on a Thursday will often find tickets for as low as $105. 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 $321.

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 $275. 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 $443.

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 $302 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 $219 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 00m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Knoxville

1 airport
The fastest flight from Houston to Knoxville takes 2h 00m
Direct flights go from Houston to Knoxville on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Knoxville: 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 00m 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 $53Free CancellationRating
7.2
699 reviews
Search Allegiant Air flights
DeltaPriceFrom $196Free CancellationRating
7.9
7,957 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
10,000 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
Crossville
Maryville
Murphy
Alcoa
Newport
Lenoir City
Oak Ridge
Kodak
Dandridge
Clinton
Jefferson City
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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