Las Vegas (LAS) to Knoxville (TYS) flights
2 airlines fly nonstop from Las Vegas (LAS) to Knoxville (TYS): Allegiant Air and Southwest Airlines. The two airports are 1,735 miles (2,793 km) apart. There are also 30 ways to fly it with one stop, through Nashville, Bentonville and Memphis and more.
Airlines flying nonstop from LAS to TYS
- Allegiant AirNot in an alliance
- Southwest AirlinesNot in an allianceWho books it
LAS to TYS with one stop
30 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Bentonville (XNA)Allegiant Air, then Delta Air Lines
- Via Memphis (MEM)Allegiant Air the whole way
- Via Denver (DEN)United Airlines and Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Birmingham (BHM)Southwest Airlines, then United Airlines
- Via Phoenix (PHX)American Airlines, Southwest Airlines and 1 more, then Allegiant Air
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Austin (AUS)Delta Air Lines, Allegiant Air and 1 more the whole way+1+1
- Via Chicago (MDW)Southwest Airlines, then Allegiant Air
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Houston (HOU)Southwest Airlines, then Allegiant Air
- Via New Orleans (MSY)Southwest Airlines the whole way
LAS to TYS: common questions
Which airlines fly nonstop from LAS to TYS?
Allegiant Air and Southwest Airlines fly nonstop from Las Vegas (LAS) to Knoxville (TYS).
How far is Las Vegas from Knoxville by plane?
Las Vegas (LAS) and Knoxville (TYS) are 1,735 miles (2,793 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does LAS to TYS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for LAS to TYS with taxes and fees.
Where can I connect between Las Vegas and Knoxville?
The most direct connections are through Nashville (BNA), Bentonville (XNA), Memphis (MEM), Denver (DEN) and Dallas (DFW). On 22 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.