Allegiant
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United States
William P. Hobby Airport
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United States
McGhee Tyson Airport
Click to show full flight schedule
Scan through all non-stop flights from Houston to Knoxville. The full flight schedule below gives an overview of all non-stop flights from HOU to TYS, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Knoxville is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Knoxville any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Houston HOU to Knoxville TYS, which is Allegiant. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their HOU TYS flight schedule.
Flights from HOU to TYS are operated once a week. Departure times vary between 12:10 - 20:35. The earliest flight departs at 12:10, the last flight departs at 20:35. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Houston to Knoxville takes 2 hours and 7 minutes. The flight distance between Houston and Knoxville is 780 miles (or 1,255 km).
There is 1 airport in Knoxville: McGhee Tyson Airport (TYS).
There is 1 flight per week flying from Houston to Knoxville (as of April 2026).
2 hours and 7 minutes is the average flight time from Houston to Knoxville.
The distance from Houston to Knoxville is 780 miles (1,255 kilometers).
Allegiant is the only airline flying nonstop from Houston to Knoxville.
There are no alliances flying direct from Houston to Knoxville at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Houston to Knoxville:
The earliest flight departs at 12:10 from Houston and arrives at 15:17 at Knoxville.
The latest flight departs at 20:35 from Houston and arrives at 23:39 at Knoxville.
780 miles (1,255 km) · 2h 7m
19:39
22:42
Allegiant
G4 1418
Allegiant
Airbus A320-100/200
Y
W
J
F
19:39
22:42
Allegiant
G4 1429
Allegiant
Airbus A320-100/200
Y
W
J
F
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