Direct (nonstop) flights from Saint Louis to Los Angeles
2 airlines fly nonstop from Saint Louis Airport (STL) to Los Angeles International (LAX). It's 1,591 miles (2,561 km), about 4h 5m in the air. Operated by American Airlines, Southwest Airlines.
American Airlines
Southwest Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
AA
American Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Saint Louis to Los Angeles with one stop · direct emits 269 kg CO₂ per passenger
Looking for the return flight?
LAX → STL: Flights from Los Angeles to Saint LouisOther direct flights from Saint Louis
Direct flights from Los Angeles (LAX)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Los Angeles?
A nonstop flight from Saint Louis (STL) to Los Angeles (LAX) takes approximately 4 hours and 5 minutes. The distance is 1,591 miles (2,561 km).
Which airlines fly nonstop from Saint Louis to Los Angeles?
2 airlines: American Airlines, Southwest Airlines.
Is there a nonstop flight from Saint Louis to Los Angeles?
Yes. 2 airlines: American Airlines, Southwest Airlines.
How far is Saint Louis from Los Angeles?
The flight distance from Saint Louis to Los Angeles is 1,591 miles (2,561 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Saint Louis to Los Angeles?
At 4h 5m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Saint Louis to Los Angeles?
Roughly 269 kg CO2 per passenger one-way. That's about the same as driving 1,345 km.
Is the return flight from Los Angeles to Saint Louis 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 Saint Louis to Los Angeles?
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 Saint Louis Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.