Knoxville (TYS) to Las Vegas (LAS) flights
2 airlines fly nonstop from Knoxville (TYS) to Las Vegas (LAS): 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 TYS to LAS
- Allegiant AirNot in an alliance
- Southwest AirlinesNot in an allianceWho books it
TYS to LAS 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)Delta Air Lines, then Allegiant Air
- 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)United Airlines, then Southwest Airlines
- Via Phoenix (PHX)Allegiant Air, then American Airlines, Southwest Airlines and 1 more
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Austin (AUS)Allegiant Air, Southwest Airlines and 1 more the whole way+1+1
- Via Chicago (MDW)Allegiant Air, then Southwest Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Houston (HOU)Allegiant Air, then Southwest Airlines
- Via New Orleans (MSY)Southwest Airlines the whole way
TYS to LAS: common questions
Which airlines fly nonstop from TYS to LAS?
Allegiant Air and Southwest Airlines fly nonstop from Knoxville (TYS) to Las Vegas (LAS).
How far is Knoxville from Las Vegas by plane?
Knoxville (TYS) and Las Vegas (LAS) 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 TYS to LAS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for TYS to LAS with taxes and fees.
Where can I connect between Knoxville and Las Vegas?
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.