Direct (nonstop) flights from Las Vegas to Knoxville
1 airline flys nonstop from Harry Reid International Airport (LAS) to Mc Ghee Tyson (TYS). It's 1,739 miles (2,799 km), about 3h 54m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 27, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Las Vegas to Knoxville with one stop · direct emits 294 kg CO₂ per passenger
Looking for the return flight?
TYS → LAS: Flights from Knoxville to Las VegasOther direct flights from Las Vegas
Direct flights from Knoxville (TYS)
Frequently Asked Questions
How long is the direct flight from Las Vegas to Knoxville?
A nonstop flight from Las Vegas (LAS) to Knoxville (TYS) takes approximately 3 hours and 54 minutes. The distance is 1,739 miles (2,799 km).
Which airlines fly nonstop from Las Vegas to Knoxville?
Just Allegiant Air.
Is there a nonstop flight from Las Vegas to Knoxville?
Yes. 1 airline: Allegiant Air.
How far is Las Vegas from Knoxville?
The flight distance from Las Vegas to Knoxville is 1,739 miles (2,799 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Las Vegas to Knoxville?
At 3h 54m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Las Vegas to Knoxville?
Roughly 294 kg CO2 per passenger one-way. That's about the same as driving 1,470 km.
Is the return flight from Knoxville to Las Vegas also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Las Vegas to Knoxville?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Harry Reid International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.