Cheap flights from Houston to Knoxville

Direct flight: 1,241 km, ~1h 28m from Houston (IAH) to Knoxville (TYS).

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Live fares · IAH → TYS

Frequently asked questions

  • How long is the flight from Houston to Knoxville?

    Direct flights from IAH to TYS cover approximately 1,241 km (771 miles), with an estimated flight time of 1h 28m. Operating airlines: UA.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.

Full route page: IAH → TYS Cheapest month to fly to Knoxville All flights from Houston All flights to Knoxville Flights to USA Visa-free with USA passport UA routes