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$60+ 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 6/20. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Knoxville McGhee Tyson are usually found in July or June, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 junio 12, 2025.

Round-trip from

$87
(FlightHub)

One-way from

$60
(Booking.com)

Popular in

March

Cheapest in

July

Average price

$258
From Houston to Knoxville McGhee Tyson
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One-way flight from Houston to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 12% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/10. 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.
vie. 8/158:02 pmHOU - TYS
Nonstop2h 01mAllegiant Air
lun. 8/185:47 pmTYS - HOU
Nonstop2h 25mAllegiant Air
Deal found 6/10$87
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/275:58 pmIAH - TYS
1 stop21h 49mMultiple Airlines
vie. 8/112:45 pmTYS - IAH
1 stop22h 52mMultiple Airlines
Deal found 6/11$193
This United Airlines deal was found by Cheapflights users on 6/10. 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. 7/84:35 pmIAH - TYS
Nonstop2h 26mUnited Airlines
mar. 7/157:00 amTYS - IAH
Nonstop2h 24mUnited Airlines
Deal found 6/10$209
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/85:00 amHOU - TYS
1 stop7h 12mAmerican Airlines
vie. 8/16:00 amTYS - HOU
1 stop4h 40mAmerican Airlines
Deal found 6/11$219
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/86:23 pmIAH - TYS
1 stop4h 29mAmerican Airlines
mié. 7/166:22 pmTYS - IAH
1 stop6h 37mAmerican Airlines
Deal found 6/12$219
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/296:00 amHOU - TYS
1 stop4h 08mDelta
mar. 8/55:30 amTYS - HOU
1 stop4h 54mDelta
Deal found 6/10$229
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 7/291:07 pmIAH - TYS
1 stop5h 58mDelta
mar. 8/510:45 amTYS - IAH
1 stop8h 13mDelta
Deal found 6/10$229
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/208:30 amHOU - TYS
Nonstop2h 02mMultiple Airlines
lun. 6/2310:59 amTYS - HOU
1 stop25h 25mMultiple Airlines
Deal found 6/10$240

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 junio 12, 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

vie. 8/15

8:02 pm-11:03 pm

Nonstop2h 01m

Knoxville McGhee Tyson

lun. 8/18

5:47 pm-7:12 pm

Nonstop2h 25m

$87

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

dom. 7/27

5:58 pm-4:47 pm

1 stop21h 49m

Knoxville McGhee Tyson

vie. 8/1

12:45 pm-10:37 am

1 stop22h 52m

$193

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

mar. 7/8

4:35 pm-8:01 pm

Nonstop2h 26m

Knoxville McGhee Tyson

mar. 7/15

7:00 am-8:24 am

Nonstop2h 24m

$209

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

mar. 7/8

5:00 am-1:12 pm

1 stop7h 12m

Knoxville McGhee Tyson

vie. 8/1

6:00 am-9:40 am

1 stop4h 40m

$219

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

mar. 7/8

6:23 pm-11:52 pm

1 stop4h 29m

Knoxville McGhee Tyson

mié. 7/16

6:22 pm-11:59 pm

1 stop6h 37m

$219

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

mar. 7/29

6:00 am-11:08 am

1 stop4h 08m

Knoxville McGhee Tyson

mar. 8/5

5:30 am-9:24 am

1 stop4h 54m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

mar. 7/29

1:07 pm-8:05 pm

1 stop5h 58m

Knoxville McGhee Tyson

mar. 8/5

10:45 am-5:58 pm

1 stop8h 13m

$229

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 6/20

8:30 am-11:32 am

Nonstop2h 02m

Knoxville McGhee Tyson

lun. 6/23

10:59 am-11:24 am

1 stop25h 25m

$240

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

vie. 6/20

8:30 am-11:32 am

Nonstop2h 02m

$60

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

sáb. 6/21

5:00 am-11:47 am

1 stop5h 47m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 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 June 9, 2025.

Booking 68 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, January is the cheapest month in which you can book a flight from Houston to Knoxville (average of $296). Flying from Houston to Knoxville in March is currently the most expensive (average of $376). 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 junio 12, 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 6% versus a flight in the morning.

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 Monday at noon 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.

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 junio 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Allegiant Air from Houston to Knoxville. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    According to our current data, Allegiant Air ($87), United Airlines ($209), and American Airlines ($219) offers the cheapest pricing from Houston to Knoxville. Allegiant Air is currently priced 70% 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 $60. Users have also found prices from $110 and $259 on American Airlines and United Airlines, 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 $87, our data indicates the cheapest price to be $47. The most popular route (Houston George Bush Intcntl - Knoxville McGhee Tyson), is priced around $193.

  • 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, January is the cheapest month in which you can book a flight from Houston to Knoxville (average of $296). Flying from Houston to Knoxville in March is currently the most expensive (average of $376). 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 Houston?

Book flights to Houston if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$53Average$113FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$362FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$292FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$232Average$427FlexibilityNo cancel feeOn-time69%

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