Allegiant AirDepart17:09
Mon, Nov 16HOU → TYS
2h 07m · Direct
$98one way, per person
View deal
- Cheapest fare
- $98
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 2h 07m
Allegiant Air · Mon, Nov 16
from $98
Allegiant Air
1,270 km
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Cheapest month to fly from Houston to Knoxville
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →
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Where to stay, what to do and getting around, from our travel partners.
About flights from Houston to Knoxville
Houston (HOU) and Knoxville (TYS) are about 1,270 km apart. Direct flights take around 2h 07m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $98, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Houston to Knoxville?
The cheapest one-way fare we've seen recently is $98 with Allegiant Air, departing Monday, November 16, 2026.
What is the cheapest month to fly from Houston to Knoxville?
November 2026 currently has the lowest fares, from $98 one way.
Are there direct flights from Houston to Knoxville?
Yes. Recent direct fares were with Allegiant Air.
How long is the flight from Houston to Knoxville?
A direct flight takes about 2h 07m. Houston and Knoxville are around 1,270 km apart.
Which airlines fly from Houston to Knoxville?
Recent fares on this route were with Allegiant Air, Southwest Airlines and Frontier Airlines.
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