Sit on the Left side of the plane for the best views on flights from Jacksonville to St. Louis. While takeoff offers good river views, the landing approach into St. Louis provides more dramatic and iconic scenery with the Mississippi River and Gateway Arch. The left side captures the river's scale and the city's most recognizable features.

During takeoff from Jacksonville International (JAX), sit on the Right side for the best views. Right side offers views of the St. Johns River and Jacksonville's urban sprawl as you climb out northwestward. The river's distinctive curves and the contrast between developed areas and coastal marshland are clearly visible during the initial climb. Notable sights include: St. Johns River, Jacksonville urban core, Atlantic coastal marshlands, Intracoastal Waterway.

When landing at Lambert St Louis International (STL), sit on the Left side for the best views. Left side provides excellent views of the Mississippi River and St. Louis's distinctive urban geography during descent. The river's massive width and the city's position on its banks are striking landmarks, plus you'll see the Gateway Arch area and downtown skyline. Notable sights include: Mississippi River, St. Louis downtown and Gateway Arch, Illinois bluffs across the river, Missouri River confluence.

The flight from Jacksonville International (JAX) to Lambert St Louis International (STL) takes Approximately 2 hours 15 minutes.

The flight path crosses central Georgia (Chattahoochee River valley visible around 45 minutes out), then Tennessee with the Cumberland Plateau and Nashville area, followed by Kentucky and southern Indiana. The Ohio River becomes visible approaching the Mississippi confluence. The terrain transitions from coastal lowlands to rolling Appalachian foothills to Mississippi River valley. No major mountain ranges are prominent at cruise altitude, but the topographic rise into Tennessee and the river valleys provide subtle but genuine landscape variation.