Houston

$73+ Cheap flights from Knoxville (TYS) to Houston

TYS — HOU
Nov 29 — Dec 61
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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Houston are usually found in June or December, booked 72 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Knoxville to Houston

Cheapest flights from Knoxville to Houston

Fri 11/612:49 pm -
Nonstop2h 20m
Mon 11/95:09 pm -
Nonstop2h 07m
Deal found 10/27$104
Fri 11/206:12 pm -
Nonstop2h 23m
Mon 11/232:59 pm -
Nonstop2h 02m
Deal found 10/25$136
Wed 12/25:14 pm -
1 stop23h 46m
Sun 12/65:01 pm -
1 stop14h 26m
Deal found 10/29$199
Wed 11/256:30 am -
2 stops29h 34m
Wed 12/25:01 pm -
1 stop26h 09m
Deal found 10/28$204
Wed 12/238:52 pm -
1 stop19h 50m
Wed 1/65:06 pm -
1 stop26h 34m
Deal found 10/28$206
Sun 11/157:30 am -
2 stops39h 23m
Tue 11/178:18 am -
1 stop8h 00m
Deal found 10/27$207
Thu 11/128:55 am -
1 stop6h 49m
Tue 11/178:18 am -
1 stop8h 00m
Deal found 10/27$225
Thu 12/317:30 am -
1 stop15h 27m
Mon 1/46:27 pm -
1 stop23h 49m
Deal found 10/25$240
Fri 12/111:58 pm -
2 stops28h 31m
Mon 12/145:01 pm -
1 stop19h 06m
Deal found 10/25$243
Thu 12/109:00 pm -
1 stop20h 06m
Sat 1/163:27 pm -
1 stop16h 03m
Deal found 10/27$244
Sat 12/55:32 pm -
1 stop6h 04m
Tue 12/86:00 am -
1 stop7h 02m
Deal found 10/29$245
Sat 12/52:55 pm -
1 stop4h 47m
Tue 12/87:00 am -
1 stop6h 02m
Deal found 10/29$245

Find flight deals from Knoxville to Houston

Round-trip from

$136
(CheapOair)

One-way from

$73
(CheapOair)

Popular in

March

Cheapest in

June

Average price

$294
From Knoxville McGhee Tyson to Houston
One-way flight from Knoxville McGhee Tyson to Houston
Highest demand for flights based on searches. 10% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Knoxville to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleHouston

TYS Knoxville McGhee Tyson - IAH Houston George Bush Intcntl

TYSIAH

Knoxville McGhee Tyson

Wed 11/4

10:55 am-2:44 pm

1 stop28h 49m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$125

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Tue 12/8

7:05 am-10:25 am

1 stop4h 20m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$133

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Thu 11/19

7:05 am-2:10 pm

2 stops8h 05m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$138

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Thu 12/10

5:30 am-9:28 am

1 stop4h 58m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$180

KnoxvilleHouston

TYS Knoxville McGhee Tyson - IAH Houston George Bush Intcntl

TYSIAH

Knoxville McGhee Tyson

Fri 11/13

2:38 pm-2:44 pm

1 stop25h 06m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$196

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Wed 11/11

7:05 am-10:25 am

1 stop4h 20m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$200

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Tue 11/10

4:15 pm-9:55 pm

1 stop6h 40m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$200

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Thu 11/12

7:25 pm-12:35 am

1 stop6h 10m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$200

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Fri 11/13

5:25 pm-11:55 pm

1 stop7h 30m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$200

KnoxvilleHouston

TYS Knoxville McGhee Tyson - HOU Houston Hobby

TYSHOU

Knoxville McGhee Tyson

Wed 12/9

6:52 am-1:29 pm

1 stop7h 37m

Houston Hobby

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 36 resultsSorted by cheapest first
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Best time to book a flight from Knoxville to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Knoxville with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Houston

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

Currently, June is the cheapest month in which you can book a flight from Knoxville to Houston (average of $212). Flying from Knoxville to Houston in October is currently the most expensive (average of $451). 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 TYS to HOU?

When flying from Knoxville to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Knoxville to Houston?

Airfare is below average for this route at the moment.
Knoxville to Houston flights typically cost between $342 and $459 in November.
The cheapest round-trip price found within the last 5 days was $136 on Allegiant Air (Nov 20-Nov 23).

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

The best time to book flights from Knoxville to Houston is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Houston

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Knoxville to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Overall

7.9

Boarding

8.1

Entertainment

7.4

Comfort

8.0

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

  • What airport do you fly from for flights from Knoxville to Houston?

    If you book a flight to Houston from Knoxville, you will be flying from McGhee Tyson, which is the city’s only airport. Knoxville McGhee Tyson (TYS) is located 11.3 mi from the center of Knoxville. There are 0 flights from McGhee Tyson to Houston per day from 5 different airlines.

  • How long is the flight from Knoxville to Houston?

    Departing from Knoxville to Houston will take you 2h 48m. The distance between Knoxville and Houston is about 770 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Allegiant Air, at $77, was found to be the cheapest airline from Knoxville to Houston.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 75% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Knoxville to Houston for a low price.

  • What are the cheapest flights from Knoxville to Houston?

    The cheapest flight price from Knoxville to Houston is $88. On average you can expect to pay $205. The most popular route, (Knoxville McGhee Tyson - Houston Hobby), can usually be booked for $188.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Knoxville to Houston 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 Knoxville to Houston?

    Currently, June is the cheapest month in which you can book a flight from Knoxville to Houston (average of $212). Flying from Knoxville to Houston in October is currently the most expensive (average of $451). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Knoxville to Houston

Top 5 airlines flying from Knoxville to Houston

AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$77Average$143FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$209Average$407FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$229Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$260Average$353FlexibilityNo cancel feeOn-time63%
DeltaCheapest$269Average$313FlexibilityNo cancel feeOn-timeN/A

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