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Cheap flights from Houston Hobby Airport to Knoxville from $43

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 Hobby Airport to Knoxville departing on 8/14. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston Hobby Airport to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
4:27 pm - 7:34 pm
HOU
-
TYS
2h 07mnonstop
Allegiant Air Logo
12:57 pm - 2:14 pm
TYS
-
HOU
2h 17mnonstop
$87Allegiant Air
Mon, Sep 28 - Fri, Oct 2
Allegiant Air Logo
4:27 pm - 7:34 pm
HOU
-
TYS
2h 07mnonstop
Allegiant Air Logo
12:57 pm - 2:14 pm
TYS
-
HOU
2h 17mnonstop
$90Allegiant Air
Mon, Sep 28 - Fri, Oct 2
Allegiant Air Logo
6:32 pm - 9:39 pm
HOU
-
TYS
2h 07mnonstop
Allegiant Air Logo
1:17 pm - 2:37 pm
TYS
-
HOU
2h 20mnonstop
$141Allegiant Air
Fri, Sep 4 - Mon, Sep 7
Allegiant Air Logo
7:39 pm - 10:48 pm
HOU
-
TYS
2h 09mnonstop
Allegiant Air Logo
5:32 pm - 6:49 pm
TYS
-
HOU
2h 17mnonstop
$155Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Allegiant Air Logo
6:32 pm - 9:39 pm
HOU
-
TYS
2h 07mnonstop
Allegiant Air Logo
1:17 pm - 2:37 pm
TYS
-
HOU
2h 20mnonstop
$156Allegiant Air
Fri, Sep 4 - Mon, Sep 7
Southwest Logo
1:20 pm - 6:35 pm
HOU
-
TYS
4h 15m
1 stop
Southwest Logo
3:00 pm - 11:10 pm
TYS
-
HOU
9h 10m
1 stop
$169Southwest
Fri, Aug 21 - Tue, Aug 25
Allegiant Air Logo
6:32 pm - 9:39 pm
HOU
-
TYS
2h 07mnonstop
Allegiant Air Logo
1:17 pm - 2:37 pm
TYS
-
HOU
2h 20mnonstop
$171Allegiant Air
Fri, Sep 4 - Mon, Sep 7
Southwest Logo
8:00 am - 1:25 pm
HOU
-
TYS
4h 25m
1 stop
Southwest Logo
7:00 am - 3:00 pm
TYS
-
HOU
9h 00m
2 stops
$175Southwest
Fri, Aug 21 - Tue, Aug 25
Allegiant Air Logo
7:39 pm - 10:48 pm
HOU
-
TYS
2h 09mnonstop
Allegiant Air Logo
5:32 pm - 6:49 pm
TYS
-
HOU
2h 17mnonstop
$179Allegiant Air
Mon, Jul 20 - Fri, Jul 24
Southwest Logo
10:00 am - 7:55 pm
HOU
-
TYS
8h 55m
2 stops
Southwest Logo
7:00 am - 3:00 pm
TYS
-
HOU
9h 00m
2 stops
$180Southwest
Fri, Aug 21 - Tue, Aug 25

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Allegiant Air flights from Houston Hobby Airport to Knoxville

Our best Allegiant Air deals on Houston Hobby Airport to Knoxville flight tickets
Allegiant Air
Sep 28
HOU4:27 pmHouston Hobby
2h 07m
TYS7:34 pmKnoxville McGhee Tyson
Oct 2
TYS12:57 pmKnoxville McGhee Tyson
2h 17m
HOU2:14 pmHouston Hobby
$87
Allegiant Air
Sep 28
HOU4:27 pmHouston Hobby
2h 07m
TYS7:34 pmKnoxville McGhee Tyson
Oct 2
TYS12:57 pmKnoxville McGhee Tyson
2h 17m
HOU2:14 pmHouston Hobby
$90
Allegiant Air
Oct 16
HOU8:35 pmHouston Hobby
2h 04m
TYS11:39 pmKnoxville McGhee Tyson
Oct 23
TYS2:54 pmKnoxville McGhee Tyson
2h 17m
HOU4:11 pmHouston Hobby
$93

Southwest flights from Houston Hobby Airport to Knoxville

Our best Southwest deals on Houston Hobby Airport to Knoxville flight tickets
Southwest
Aug 21
HOU1:20 pmHouston Hobby
4h 15m
1 stop
TYS6:35 pmKnoxville McGhee Tyson
Aug 25
TYS3:00 pmKnoxville McGhee Tyson
9h 10m
1 stop
HOU11:10 pmHouston Hobby
$169
Southwest
Aug 21
HOU8:00 amHouston Hobby
4h 25m
1 stop
TYS1:25 pmKnoxville McGhee Tyson
Aug 25
TYS7:00 amKnoxville McGhee Tyson
9h 00m
2 stops
HOU3:00 pmHouston Hobby
$175
Southwest
Aug 21
HOU10:00 amHouston Hobby
8h 55m
2 stops
TYS7:55 pmKnoxville McGhee Tyson
Aug 25
TYS7:00 amKnoxville McGhee Tyson
9h 00m
2 stops
HOU3:00 pmHouston Hobby
$180

momondo Fare Finder

 
Customize your flight search to find flights from Houston Hobby Airport 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 July 12, 2026.
Use the filters below to find and compare flights from Houston Hobby Airport to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Mon 9/28

4:27 pm-7:34 pm

Nonstop2h 07m

Knoxville McGhee Tyson

Fri 10/2

12:57 pm-2:14 pm

Nonstop2h 17m

$87

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Mon 9/28

4:27 pm-7:34 pm

Nonstop2h 07m

Knoxville McGhee Tyson

Fri 10/2

12:57 pm-2:14 pm

Nonstop2h 17m

$90

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 9/4

6:32 pm-9:39 pm

Nonstop2h 07m

Knoxville McGhee Tyson

Mon 9/7

1:17 pm-2:37 pm

Nonstop2h 20m

$141

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Mon 7/20

7:39 pm-10:48 pm

Nonstop2h 09m

Knoxville McGhee Tyson

Fri 7/24

5:32 pm-6:49 pm

Nonstop2h 17m

$155

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 9/4

6:32 pm-9:39 pm

Nonstop2h 07m

Knoxville McGhee Tyson

Mon 9/7

1:17 pm-2:37 pm

Nonstop2h 20m

$156

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 8/21

1:20 pm-6:35 pm

1 stop4h 15m

Knoxville McGhee Tyson

Tue 8/25

3:00 pm-11:10 pm

1 stop9h 10m

$169

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 9/4

6:32 pm-9:39 pm

Nonstop2h 07m

Knoxville McGhee Tyson

Mon 9/7

1:17 pm-2:37 pm

Nonstop2h 20m

$171

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 8/21

8:00 am-1:25 pm

1 stop4h 25m

Knoxville McGhee Tyson

Tue 8/25

7:00 am-3:00 pm

2 stops9h 00m

$175

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Mon 7/20

7:39 pm-10:48 pm

Nonstop2h 09m

Knoxville McGhee Tyson

Fri 7/24

5:32 pm-6:49 pm

Nonstop2h 17m

$179

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 8/21

10:00 am-7:55 pm

2 stops8h 55m

Knoxville McGhee Tyson

Tue 8/25

7:00 am-3:00 pm

2 stops9h 00m

$180

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 Hobby Airport 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 typical price of a round-trip flight between Houston Hobby Airport and Knoxville?

What is the cheapest month to fly to Knoxville?

The month of July is, on average, the cheapest month to fly to Knoxville from Houston Hobby Airport, with most prices found around $175. If you aren’t able to travel during the month of July, then book flights to Knoxville from Houston Hobby Airport during June instead. Flights to Knoxville in June, while not as cheap as those in July, still average around $236.

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

The cheapest day to depart from Houston Hobby Airport to Knoxville is on a Sunday. Travelers who choose to depart for Knoxville on a Sunday will often find tickets for as low as $85. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Houston Hobby Airport 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 Hobby Airport to Knoxville when you can find flight prices for as low as $180. 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 at noon when prices are around $469.

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

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

How far in advance should I book a flight from Houston Hobby Airport to Knoxville?

You are more likely to see cheaper flights to Knoxville from Houston Hobby Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $279 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Houston Hobby Airport for as low as $172 on momondo.

What cabin class options are available on Houston Hobby Airport to Knoxville flights?

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

Can stopping save me money on Houston Hobby Airport to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Houston Hobby Airport to Knoxville.

How have Houston Hobby Airport to Knoxville flight prices changed over time?

As of July 2026, prices for Houston Hobby Airport to Knoxville flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Houston Hobby Airport to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Houston Hobby Airport to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston Hobby Airport to Knoxville (HOU to TYS) flight deals and tips

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

Best Price Found

$81

Fastest flight time

2h 04m

Direct flights

Tue and Sat

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Houston Hobby Airport in the past 72 hours is $81. The best round-trip flight deal from Houston Hobby Airport to Knoxville found on momondo in the last 72 hours is $117.
The fastest flight from Houston Hobby Airport to Knoxville takes 2h 04m
Direct flights go from Houston Hobby Airport to Knoxville on Tuesday and Saturday. The only airline offering direct flights is Allegiant Air.
There is 1 airport in Knoxville. From Houston Hobby Airport there are direct flights to Knoxville McGhee Tyson (TYS).
Search flight deals

Frequently asked questions about flying from Houston Hobby Airport to Knoxville

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

    Houston Hobby and Knoxville McGhee Tyson are 789.3 mi apart from one another. A reasonable flight in good conditions will take 2h 04m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston Hobby Airport to Knoxville McGhee Tyson Airport.

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

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston Hobby Airport to Knoxville?

  • What is the most popular airline from Houston Hobby Airport to Knoxville?

Best airlines flying from Houston Hobby Airport to Knoxville

Compare and see reviews for airlines that fly from Houston Hobby Airport to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $62Free CancellationRating
7.3
684 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,982 reviews
Search United Airlines flights
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,813 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.8
8,461 reviews
Search Delta flights
SouthwestPriceFrom $270Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

  • Allegiant Air Flights From Houston Hobby Airport to Knoxville

    Across 2 Allegiant Air flights from Houston Hobby Airport to Knoxville this week, the average price was $117, with the best Allegiant Air deals starting from $62 round-trip. 685 users have rated Allegiant Air on momondo, with an average score of 7.3/10.

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
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Kodak
Newport
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Knoxville for you.

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

momondo does allow users to show only those flights to Knoxville from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Houston to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Houston to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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