Direct (nonstop) flights from New Orleans to Saint Louis
1 airline flys nonstop from Louis Armstrong New Orleans International (MSY) to Saint Louis Airport (STL). It's 604 miles (972 km), about 1h 50m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from New Orleans to Saint Louis with one stop · direct emits 112 kg CO₂ per passenger
Looking for the return flight?
STL → MSY: Flights from Saint Louis to New OrleansOther direct flights from New Orleans
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from New Orleans to Saint Louis?
A nonstop flight from New Orleans (MSY) to Saint Louis (STL) takes approximately 1 hours and 50 minutes. The distance is 604 miles (972 km).
Which airlines fly nonstop from New Orleans to Saint Louis?
Just Southwest Airlines.
Is there a nonstop flight from New Orleans to Saint Louis?
Yes. 1 airline: Southwest Airlines.
How far is New Orleans from Saint Louis?
The flight distance from New Orleans to Saint Louis is 604 miles (972 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from New Orleans to Saint Louis?
At 1h 50m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from New Orleans to Saint Louis?
Roughly 112 kg CO2 per passenger one-way. That's about the same as driving 560 km.
Is the return flight from Saint Louis to New Orleans also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from New Orleans to Saint Louis?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Louis Armstrong New Orleans International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.