Direct (nonstop) flights from Knoxville to Las Vegas
1 airline flys nonstop from Mc Ghee Tyson (TYS) to Harry Reid International Airport (LAS). It's 1,739 miles (2,799 km), about 4h 18m in the air. Operated by Allegiant Air.
Allegiant Air
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Knoxville to Las Vegas with one stop · direct emits 294 kg CO₂ per passenger
Looking for the return flight?
LAS → TYS: Flights from Las Vegas to KnoxvilleOther direct flights from Knoxville
Direct flights from Las Vegas (LAS)
Frequently Asked Questions
How long is the direct flight from Knoxville to Las Vegas?
A nonstop flight from Knoxville (TYS) to Las Vegas (LAS) takes approximately 4 hours and 18 minutes. The distance is 1,739 miles (2,799 km).
Which airlines fly nonstop from Knoxville to Las Vegas?
Just Allegiant Air.
Is there a nonstop flight from Knoxville to Las Vegas?
Yes. 1 airline: Allegiant Air.
How far is Knoxville from Las Vegas?
The flight distance from Knoxville to Las Vegas is 1,739 miles (2,799 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Knoxville to Las Vegas?
At 4h 18m, 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 Knoxville to Las Vegas?
Roughly 294 kg CO2 per passenger one-way. That's about the same as driving 1,470 km.
Is the return flight from Las Vegas to Knoxville 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 Knoxville to Las Vegas?
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 Mc Ghee Tyson for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.