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MSY to STL: distance & flight time
New Orleans (Louis Armstrong New Orleans International Airport) → St. Louis (St Louis Lambert International Airport)
605 mi
974 km · 526 nm
1h 47m
estimated nonstop flight time
Same time
time difference · heading north
See live MSY→STL fares Phone-only fares on this route — call free
Flight time details
605 miles nonstop takes roughly 1h 47m gate to gate, flying north. 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
- MSY — Louis Armstrong New Orleans International Airport · New Orleans, United States
- STL — St Louis Lambert International Airport · St. Louis, 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 MSY
- NEW · Lakefront Airport14 mi away
- NBG · New Orleans NAS JRB/Alvin Callender Field18 mi away
- BTR · Baton Rouge Metropolitan Airport65 mi away
- GPT · Gulfport Biloxi International Airport76 mi away
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
Frequently asked questions
How far is MSY from STL?
The flight distance from New Orleans (MSY) to St. Louis (STL) is 605 miles (974 km, 526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSY to STL?
A nonstop flight takes about 1h 47m 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 MSY to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSY–STL that never appear on search engines, with no booking fees.