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$105+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Knoxville McGhee Tyson are usually found in July or October, booked 68 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

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 March 28, 2025.

Round-trip from

$229
(Delta)

One-way from

$105
(Mytrip)

Popular in

March

Cheapest in

July

Average price

$349
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. 7% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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.
Fri 4/184:00 pmHOU - TYS
1 stop4h 29mDelta
Sun 4/205:30 amTYS - HOU
1 stop4h 48mDelta
Deal found 3/26$229
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 4/185:30 amIAH - TYS
1 stop5h 33mDelta
Sun 4/206:30 amTYS - IAH
1 stop7h 35mDelta
Deal found 3/27$229
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Wed 4/94:35 pmIAH - TYS
1 stop27h 20mMultiple Airlines
Wed 4/169:00 amTYS - IAH
1 stop26h 05mMultiple Airlines
Deal found 3/27$240
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 6/2510:06 amIAH - TYS
1 stop6h 29mAmerican Airlines
Sun 6/295:15 amTYS - IAH
1 stop5h 01mAmerican Airlines
Deal found 3/26$249
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 6/185:00 amHOU - TYS
1 stop5h 47mAmerican Airlines
Wed 6/255:15 amTYS - HOU
1 stop5h 28mAmerican Airlines
Deal found 3/26$259
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/910:15 amIAH - TYS
Nonstop2h 21mUnited Airlines
Mon 4/149:00 amTYS - IAH
Nonstop2h 39mUnited Airlines
Deal found 3/27$259
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Fri 5/232:33 pmHOU - TYS
2 stops31h 22mAllegiant Air
Mon 5/265:47 pmTYS - HOU
Nonstop2h 25mAllegiant Air
Deal found 3/27$276
This Frontier deal was found by Cheapflights users on 3/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/276:00 amIAH - TYS
1 stop8h 23mFrontier
Thu 4/34:31 pmTYS - IAH
1 stop8h 48mFrontier
Deal found 3/26$308
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Thu 6/266:36 pmHOU - TYS
1 stop20h 35mMultiple Airlines
Sun 7/67:00 amTYS - HOU
2 stops37h 13mMultiple Airlines
Deal found 3/26$332

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 March 28, 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

Fri 4/18

4:00 pm-11:48 pm

1 stop6h 48m

Knoxville McGhee Tyson

Sun 4/20

5:30 am-9:18 am

1 stop4h 48m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 4/18

5:30 am-12:03 pm

1 stop5h 33m

Knoxville McGhee Tyson

Sun 4/20

6:30 am-1:05 pm

1 stop7h 35m

$229

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 4/9

4:35 pm-8:55 pm

1 stop27h 20m

Knoxville McGhee Tyson

Wed 4/16

9:00 am-10:05 am

1 stop26h 05m

$240

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 6/25

10:06 am-5:35 pm

1 stop6h 29m

Knoxville McGhee Tyson

Sun 6/29

5:15 am-9:16 am

1 stop5h 01m

$249

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Wed 4/9

10:15 am-1:36 pm

Nonstop2h 21m

Knoxville McGhee Tyson

Mon 4/14

9:00 am-10:39 am

Nonstop2h 39m

$259

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Wed 6/18

5:00 am-11:47 am

1 stop5h 47m

Knoxville McGhee Tyson

Wed 6/25

5:15 am-9:43 am

1 stop5h 28m

$259

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Fri 5/23

2:33 pm-10:55 pm

2 stops31h 22m

Knoxville McGhee Tyson

Mon 5/26

5:47 pm-7:12 pm

Nonstop2h 25m

$276

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Thu 6/26

6:36 pm-4:11 pm

1 stop20h 35m

Knoxville McGhee Tyson

Sun 7/6

7:00 am-7:13 pm

2 stops37h 13m

$332

HoustonKnoxville

IAH - TYS

IAHTYS

Houston George Bush Intcntl

Fri 5/16

6:50 pm-2:35 pm

2 stops18h 45m

$230

HoustonKnoxville

HOU - TYS

HOUTYS

Houston Hobby

Wed 4/23

9:14 am-5:28 pm

1 stop7h 14m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 11 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 March 21, 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 $295). 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 March 28, 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 at noon, which can drop the price by up to 7% 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 March 28, 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
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Allegiant Air
7.3
Good
731 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,271 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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, Delta ($229), American Airlines ($239), and Frontier ($258) offers the cheapest pricing from Houston to Knoxville. Delta is currently priced 24% 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 Frontier. According to our data, you can fly for as low as $129. Users have also found prices from $219 and $234 on United Airlines and American 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 $108, our data indicates the cheapest price to be $83. The most popular route (Houston Hobby - Knoxville McGhee Tyson), is priced around $105.

  • 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 $295). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$79Average$122FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$148Average$292FlexibilityNo cancel feeOn-time71%
DeltaCheapest$196Average$293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$436FlexibilityNo cancel feeOn-time69%
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