Knoxville (TYS) to Jacksonville (JAX) flights
One airline flies nonstop from Knoxville (TYS) to Jacksonville (JAX): Allegiant Air. The two airports are 391 miles (629 km) apart. There are also 12 ways to fly it with one stop, through Atlanta, Charlotte and Nashville and more.
Airlines flying nonstop from TYS to JAX
- Allegiant AirNot in an alliance
TYS to JAX with one stop
12 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Fort Lauderdale (FLL)Allegiant Air, then JetBlue Airways and Breeze Airways
- Via Dulles (IAD)United Airlines and Allegiant Air the whole way
- Via New Orleans (MSY)American Airlines and Southwest Airlines, then Breeze Airways
- Via Miami (MIA)American Airlines the whole way
- Via Washington (DCA)American Airlines the whole way
- Via Baltimore (BWI)Southwest Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Philadelphia (PHL)American Airlines the whole way
- Via Chicago (MDW)Allegiant Air, then Southwest Airlines
TYS to JAX: common questions
Which airlines fly nonstop from TYS to JAX?
Allegiant Air flies nonstop from Knoxville (TYS) to Jacksonville (JAX).
How far is Knoxville from Jacksonville by plane?
Knoxville (TYS) and Jacksonville (JAX) are 391 miles (629 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does TYS to JAX 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 JAX with taxes and fees.
Where can I connect between Knoxville and Jacksonville?
The most direct connections are through Atlanta (ATL), Charlotte (CLT), Nashville (BNA), Fort Lauderdale (FLL) and Dulles (IAD). On 9 of them the same airline flies both flights, for example Delta Air Lines through Atlanta.
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.