Direct flights from Knoxville to Houston
21 nonstop flights a week on 1 airline. Zero layovers — one hop from TYS to IAH.
Flight time: about 1h45m nonstop
Flying back? Houston → Knoxville · 21 nonstop flights a week
Which days does it fly?
When does it fly?
Departure times in Knoxville local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| United ASH6259 | 7:15a | 1h45m | Daily |
| United ASH6134 | 12:05p | 1h45m | Daily |
| United ASH4055 | 3:45p | 1h45m | Daily |
United
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Other airports near Knoxville with nonstops to Houston
| Airport | Distance | Flights / wk |
|---|---|---|
| CHA — ChattanoogaUnited | 87 mi | 14 |
| GSP — GreenvilleUnited | 118 mi | 13 |
The route
One hop: TYS → IAHDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Knoxville (TYS) to Houston (IAH)
McGhee Tyson Airport (TYS) has 21 nonstop flights a week to Houston (IAH), operated by United. No layovers, no connections — one hop out of TYS and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Knoxville to Houston?
The nonstop flight from Knoxville (TYS) to Houston (IAH) takes about 1h45m in the air, based on recently observed nonstop departures.
How long does it take to drive from Knoxville to Houston?
Driving from Knoxville to Houston takes about 13h 28m, covering roughly 926 miles. The nonstop flight takes about 1h45m.
Is there a nonstop return flight from Houston to Knoxville?
Yes — 21 nonstop flights a week from Houston (IAH) back to Knoxville (TYS) on United, based on recently observed departures.