Cheap flights from Knoxville to Houston

One-way fares from $152 · TYS → HOU · prices found by travellers in the last 48 hours

Compare all dates Houston → Knoxville
Cheapest fare
$152

Allegiant Air · Wed, Nov 25

Cheapest month
November

from $152

Direct flights
Yes

Allegiant Air

Flight time
2h 23m

1,270 km

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Cheapest month to fly from Knoxville to Houston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $152

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Allegiant Air
Depart17:39 Wed, Nov 25TYS → HOU 2h 23m · Direct
$152one way, per person
View deal
See every date in November 2026 →

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Getting around

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About flights from Knoxville to Houston

Knoxville (TYS) and Houston (HOU) are about 1,270 km apart. Direct flights take around 2h 23m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $152, 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 Knoxville to Houston?

The cheapest one-way fare we've seen recently is $152 with Allegiant Air, departing Wednesday, November 25, 2026.

What is the cheapest month to fly from Knoxville to Houston?

November 2026 currently has the lowest fares, from $152 one way.

Are there direct flights from Knoxville to Houston?

Yes. Recent direct fares were with Allegiant Air.

How long is the flight from Knoxville to Houston?

A direct flight takes about 2h 23m. Knoxville and Houston are around 1,270 km apart.

Which airlines fly from Knoxville to Houston?

Recent fares on this route were with Allegiant Air.

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