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STL to BTR: distance & flight time
St. Louis (St Louis Lambert International Airport) → Baton Rouge (Baton Rouge Metropolitan Airport)
569 mi
916 km · 495 nm
1h 42m
estimated nonstop flight time
Same time
time difference · heading south
See live STL→BTR fares Phone-only fares on this route — call free
Flight time details
569 miles nonstop takes roughly 1h 42m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- BTR — Baton Rouge Metropolitan Airport · Baton Rouge, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Near BTR
Frequently asked questions
How far is STL from BTR?
The flight distance from St. Louis (STL) to Baton Rouge (BTR) is 569 miles (916 km, 495 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to BTR?
A nonstop flight takes about 1h 42m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from STL to BTR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–BTR that never appear on search engines, with no booking fees.