Saint Louis (STL) to Jacksonville (JAX) flights
One airline flies nonstop from Saint Louis (STL) to Jacksonville (JAX): Southwest Airlines. The two airports are 754 miles (1,214 km) apart. There are also 24 ways to fly it with one stop, through Atlanta, Nashville and Charlotte and more.
Airlines flying nonstop from STL to JAX
- Southwest AirlinesNot in an allianceWho books it

STL to JAX with one stop
24 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way





- Via Nashville (BNA)Southwest Airlines the whole way


- Via Charlotte (CLT)American Airlines the whole way



- Via Columbus (CMH)Southwest Airlines, then Breeze Airways


- Via Raleigh/Durham (RDU)Southwest Airlines, then Breeze Airways


- Via Chicago (MDW)Southwest Airlines the whole way


- Via New Orleans (MSY)Southwest Airlines, then Breeze Airways


- Via Chicago (ORD)American Airlines and United Airlines the whole way




- Via Pittsburgh (PIT)Southwest Airlines, then Allegiant Air and Breeze Airways



- Via Detroit (DTW)Delta Air Lines the whole way



- Via Dulles (IAD)United Airlines the whole way



- Via Norfolk (ORF)Southwest Airlines, then Breeze Airways


- Via Washington (DCA)American Airlines the whole way



- Via Fort Lauderdale (FLL)Southwest Airlines, then JetBlue Airways and Breeze Airways



- Via Baltimore (BWI)Southwest Airlines the whole way


STL to JAX: common questions
Which airlines fly nonstop from STL to JAX?
Southwest Airlines flies nonstop from Saint Louis (STL) to Jacksonville (JAX).
How far is Saint Louis from Jacksonville by plane?
Saint Louis (STL) and Jacksonville (JAX) are 754 miles (1,214 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does STL 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 STL to JAX with taxes and fees.
Where can I connect between Saint Louis and Jacksonville?
The most direct connections are through Atlanta (ATL), Nashville (BNA), Charlotte (CLT), Columbus (CMH) and Raleigh/Durham (RDU). On 18 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.