United States · 754 miles (1,214 km)

Jacksonville (JAX) to Saint Louis (STL) flights

One airline flies nonstop from Jacksonville (JAX) to Saint Louis (STL): 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 JAX to STL

JAX to STL 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
    Delta Air Lines logo
    Frontier Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Columbus (CMH)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Raleigh/Durham (RDU)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via New Orleans (MSY)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Pittsburgh (PIT)Allegiant Air and Breeze Airways, then Southwest Airlines
    Allegiant Air logo
    Breeze Airways logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Dulles (IAD)United Airlines the whole way
    United Airlines logo
    Allegiant Air logo
    United Airlines logo
  • Via Norfolk (ORF)Breeze Airways, then Southwest Airlines
    Breeze Airways logo
    Southwest Airlines logo
  • Via Washington (DCA)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Fort Lauderdale (FLL)JetBlue Airways and Breeze Airways, then Southwest Airlines
    JetBlue Airways logo
    Breeze Airways logo
    Southwest Airlines logo
  • Via Baltimore (BWI)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
See all 24 in Routes

JAX to STL: common questions

Which airlines fly nonstop from JAX to STL?

Southwest Airlines flies nonstop from Jacksonville (JAX) to Saint Louis (STL).

How far is Jacksonville from Saint Louis by plane?

Jacksonville (JAX) and Saint Louis (STL) 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 JAX to STL cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for JAX to STL with taxes and fees.

Where can I connect between Jacksonville and Saint Louis?

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.