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$69+ Cheap flights from Houston 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Knoxville McGhee Tyson are usually found in August or June, booked 65 days in advance, depart on a Thursday or Monday and return on a Monday

Find flight deals from Houston to Knoxville

Cheapest flights from Houston to Knoxville
Explore the most affordable flight options available from Houston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 11/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/68:47 amHOU - TYS
Nonstop2h 01mAllegiant Air
dom. 11/96:30 amTYS - HOU
Nonstop2h 27mAllegiant Air
Deal found 11/1$122
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/98:47 amHOU - TYS
Nonstop2h 01mAllegiant Air
dom. 11/166:30 amTYS - HOU
Nonstop2h 27mAllegiant Air
Deal found 11/2$126
This FlightHub deal was found by Cheapflights users on 11/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/138:47 amHOU - TYS
Nonstop2h 01mAllegiant Air
dom. 11/166:30 amTYS - HOU
Nonstop2h 27mAllegiant Air
Deal found 11/3$130
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/218:32 pmHOU - TYS
Nonstop2h 02mAllegiant Air
lun. 11/246:22 pmTYS - HOU
Nonstop2h 20mAllegiant Air
Deal found 11/3$145
This Cheapflightsfares deal was found by Cheapflights users on 11/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/298:20 pmHOU - TYS
Nonstop2h 01mAllegiant Air
vie. 1/25:56 pmTYS - HOU
Nonstop2h 24mAllegiant Air
Deal found 11/2$151
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/198:15 pmHOU - TYS
Nonstop2h 01mAllegiant Air
lun. 12/226:01 pmTYS - HOU
Nonstop2h 24mAllegiant Air
Deal found 11/3$159
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/248:32 pmHOU - TYS
Nonstop2h 02mAllegiant Air
mié. 11/2612:53 pmTYS - HOU
Nonstop2h 20mAllegiant Air
Deal found 11/3$191
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/218:32 pmHOU - TYS
Nonstop2h 02mAllegiant Air
mié. 11/2612:53 pmTYS - HOU
Nonstop2h 20mAllegiant Air
Deal found 11/3$196
This United Airlines deal was found by Cheapflights users on 11/3. 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.
mar. 12/24:40 pmIAH - TYS
Nonstop2h 14mUnited Airlines
mar. 12/97:05 amTYS - IAH
Nonstop2h 43mUnited Airlines
Deal found 11/3$209
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/105:27 pmIAH - TYS
1 stop16h 07mMultiple Airlines
lun. 11/172:22 pmTYS - IAH
2 stops20h 11mMultiple Airlines
Deal found 11/1$226
This Delta deal was found by Cheapflights users on 11/3. 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.
vie. 12/56:47 pmHOU - TYS
1 stop3h 41mDelta
mar. 12/95:40 amTYS - HOU
1 stop4h 54mDelta
Deal found 11/3$229
This Delta deal was found by Cheapflights users on 11/3. 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.
jue. 11/277:01 amIAH - TYS
1 stop6h 47mDelta
lun. 12/87:59 pmTYS - IAH
1 stop5h 00mDelta
Deal found 11/3$229

Cheap flight deals from Houston to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 noviembre 3, 2025.

Round-trip from

$129
(FlightHub)

One-way from

$69
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$262
From Houston to Knoxville McGhee Tyson
Search Deals
One-way flight from Houston to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated noviembre 3, 2025.
Use the filters below to find and compare flights from Houston to Knoxville that are best for you.

Fly from

Houston

Fly to

Knoxville

Route

Depart

Return

Price

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

dom. 11/9

8:47 am-11:48 am

Nonstop2h 01m

Knoxville McGhee Tyson

jue. 11/13

6:30 am-7:57 am

Nonstop2h 27m

$126

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 11/21

8:32 pm-11:34 pm

Nonstop2h 02m

Knoxville McGhee Tyson

lun. 11/24

6:22 pm-7:42 pm

Nonstop2h 20m

$145

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

lun. 12/29

8:20 pm-11:21 pm

Nonstop2h 01m

Knoxville McGhee Tyson

vie. 1/2

5:56 pm-7:20 pm

Nonstop2h 24m

$151

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

mié. 12/10

8:30 pm-11:44 pm

Nonstop2h 14m

Knoxville McGhee Tyson

mar. 12/16

7:05 am-8:48 am

Nonstop2h 43m

$209

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

mié. 1/21

8:29 pm-11:44 pm

Nonstop2h 15m

Knoxville McGhee Tyson

dom. 1/25

6:45 am-8:36 am

Nonstop2h 51m

$209

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

lun. 2/16

8:25 pm-11:44 pm

Nonstop2h 19m

Knoxville McGhee Tyson

sáb. 2/28

7:05 am-8:50 am

Nonstop2h 45m

$225

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 12/5

6:47 pm-11:28 pm

1 stop3h 41m

Knoxville McGhee Tyson

mié. 12/10

5:40 am-9:34 am

1 stop4h 54m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

lun. 11/24

6:42 pm-12:20 am

1 stop4h 38m

Knoxville McGhee Tyson

vie. 12/5

4:22 pm-8:18 pm

1 stop4h 56m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 12/5

6:47 pm-11:28 pm

1 stop3h 41m

Knoxville McGhee Tyson

mar. 12/9

5:40 am-9:34 am

1 stop4h 54m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

mié. 1/21

10:35 am-3:46 pm

1 stop4h 11m

Knoxville McGhee Tyson

dom. 1/25

4:41 pm-10:46 pm

1 stop7h 05m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 44 results
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Best time to book a flight from Houston to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Houston 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 to Knoxville

How far ahead should I book a flight from Houston to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Houston to Knoxville. Price data was last updated on October 31, 2025.

Booking 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to Knoxville?

Currently, June is the cheapest month in which you can book a flight from Houston to Knoxville (average of $72). Flying from Houston to Knoxville in September is currently the most expensive (average of $206). 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 HOU to TYS?

Find hourly flight availability from Houston 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 noviembre 3, 2025.

When flying from Houston to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight in the afternoon.

What is the cheapest day to fly from Houston to Knoxville?

Use this chart to determine the cheapest time to fly round-trip from Houston to Knoxville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Knoxville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 3, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Houston to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,038 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Allegiant Air
7.2
Good
694 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

Related info for your journey

Find useful and relevant information for your journey from Houston 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?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from Houston. On average, McGhee Tyson has 0 inbound flights from Houston per day from 4 airlines. Knoxville McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How long is the flight from Houston to Knoxville?

    For as low as $126, Allegiant Air can have you in Knoxville from Houston in 2h 01m. Airlines will cover a distance of 781 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Knoxville round-trip?

    According to our current data, Allegiant Air ($71), Delta ($190), and United Airlines ($209) offers the cheapest pricing from Houston to Knoxville. Allegiant Air is currently priced 76% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to Knoxville one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $69. Users have also found prices from $134 and $234 on United Airlines and Delta, respectively.

  • What are the cheapest flights from Houston to Knoxville?

    Looking for the cheapest flight from Houston to Knoxville? While on average our users pay $132, our data indicates the cheapest price to be $46. The most popular route (Houston George Bush Intcntl - Knoxville McGhee Tyson), is priced around $208.

  • Can I find deals for flights from Houston to Knoxville that include hotel bookings?

    Yes. In addition to deals on Houston to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Knoxville.

  • Can I find deals for business class flights from Houston to Knoxville?

    Yes. Cheapflights offers flight deals from Houston 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 to Knoxville?

    Currently, June is the cheapest month in which you can book a flight from Houston to Knoxville (average of $72). Flying from Houston to Knoxville in September is currently the most expensive (average of $206). 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
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Houston to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to Knoxville

Discover the top 4 airlines that operate flights from Houston 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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$70Average$111FlexibilityNo cancel feeOn-time88%
DeltaCheapest$190Average$300FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$209Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$311FlexibilityNo cancel feeOn-time71%

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