Saint Louis (STL) to New Orleans (MSY) flights
One airline flies nonstop from Saint Louis (STL) to New Orleans (MSY): Southwest Airlines. The two airports are 606 miles (975 km) apart. There are also 23 ways to fly it with one stop, through Nashville, Atlanta and Kansas City and more.
Airlines flying nonstop from STL to MSY
- Southwest AirlinesNot in an allianceWho books it
STL to MSY with one stop
23 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines, Southwest Airlines and 1 more the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Houston (HOU)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Austin (AUS)Southwest Airlines the whole way
- Via Milwaukee (MKE)Southwest Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Savannah (SAV)Southwest Airlines, then Breeze Airways
- Via Jacksonville (JAX)Southwest Airlines, then Breeze Airways
- Via San Antonio (SAT)Southwest Airlines the whole way
STL to MSY: common questions
Which airlines fly nonstop from STL to MSY?
Southwest Airlines flies nonstop from Saint Louis (STL) to New Orleans (MSY).
How far is Saint Louis from New Orleans by plane?
Saint Louis (STL) and New Orleans (MSY) are 606 miles (975 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does STL to MSY cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for STL to MSY with taxes and fees.
Where can I connect between Saint Louis and New Orleans?
The most direct connections are through Nashville (BNA), Atlanta (ATL), Kansas City (MCI), Houston (IAH) and Dallas (DAL). On 19 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
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.