Skip to content

Get United's best fares today on flights from Knoxville to Houston from *

Select journey type

Enter to select travel class and passengers

Looking for additional flights from Knoxville to Houston?

FromToDatesFare TypePrice

Knoxville (TYS)

Houston (IAH)

Depart: 12/12/19

Return: 01/04/20

Roundtrip
from
$320*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 12/26/19

Return: 12/31/19

Roundtrip
from
$407*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 12/18/19

Return: 01/04/20

Roundtrip
from
$320*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 12/14/19

Return: 12/16/19

Roundtrip
from
$356*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 12/22/19

Return: 12/27/19

Roundtrip
from
$368*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 01/05/20

Return: 01/16/20

Roundtrip
from
$490*
Viewed:23hoursago

Knoxville (TYS)

Houston (IAH)

Depart: 12/25/19

Return: 01/05/20

Roundtrip
from
$407*
Viewed:23hoursago

Knoxville (TYS)

Houston (IAH)

Depart: 03/02/20

Return: 03/03/20

Roundtrip
from
$389*
Viewed:1dayago

Knoxville (TYS)

Houston (IAH)

Depart: 02/19/20

Return: 02/26/20

Roundtrip
from
$293*
Viewed:36minutesago

Knoxville (TYS)

Houston (IAH)

Depart: 02/22/20

Return: 02/29/20

Roundtrip
from
$293*
Viewed:36minutesago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in Houston

Saturday scattered clouds
62°F 12/07/19
Sunday scattered clouds
69°F 12/08/19
Monday light rain
72°F 12/09/19
Tuesday moderate rain
56°F 12/10/19
Wednesday light rain
50°F 12/11/19
Thursday overcast clouds
51°F 12/12/19
Friday sky is clear
55°F 12/13/19
Powered by: OpenWeatherMap.org