Direct (nonstop) flights from Las Vegas to Saint Louis
2 airlines fly nonstop from Harry Reid International Airport (LAS) to Saint Louis Airport (STL). It's 1,370 miles (2,205 km), about 3h 15m in the air. Operated by Frontier Airlines, Southwest Airlines.
Frontier Airlines
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
F9
Frontier Airlines
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Las Vegas to Saint Louis with one stop · direct emits 232 kg CO₂ per passenger
Looking for the return flight?
STL → LAS: Flights from Saint Louis to Las VegasOther direct flights from Las Vegas
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Las Vegas to Saint Louis?
A nonstop flight from Las Vegas (LAS) to Saint Louis (STL) takes approximately 3 hours and 15 minutes. The distance is 1,370 miles (2,205 km).
Which airlines fly nonstop from Las Vegas to Saint Louis?
2 airlines: Frontier Airlines, Southwest Airlines.
Is there a nonstop flight from Las Vegas to Saint Louis?
Yes. 2 airlines: Frontier Airlines, Southwest Airlines.
How far is Las Vegas from Saint Louis?
The flight distance from Las Vegas to Saint Louis is 1,370 miles (2,205 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Las Vegas to Saint Louis?
At 3h 15m, 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 Las Vegas to Saint Louis?
Roughly 232 kg CO2 per passenger one-way. That's about the same as driving 1,160 km.
Is the return flight from Saint Louis to Las Vegas 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 Las Vegas 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 Harry Reid International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.