St. Louis→JacksonvilleNonstop Flight TimeSTL–JAX

St. Louis (St. Louis Lambert International Airport) to Jacksonville (Jacksonville International Airport).

Direct flights from STL to JAX have an estimated flight time of about 2h 8m, based on the 754-mile great-circle distance. Our current captured departure sample includes 1-2/day across 1 captured airline, with Southwest Airlines appearing most often in that sample. Captured departure times run from 08:25 to 18:45 local time.

Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to JAX, last seen June 15, 2026. Frequency uses 9 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.