Direct (nonstop) flights from Sacramento to Saint Louis
1 airline flys nonstop from Sacramento International (SMF) to Saint Louis Airport (STL). It's 1,678 miles (2,701 km), about 3h 40m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Sacramento to Saint Louis with one stop · direct emits 284 kg CO₂ per passenger
Looking for the return flight?
STL → SMF: Flights from Saint Louis to SacramentoOther direct flights from Sacramento
Direct flights from Saint Louis (STL)
Frequently Asked Questions
How long is the direct flight from Sacramento to Saint Louis?
A nonstop flight from Sacramento (SMF) to Saint Louis (STL) takes approximately 3 hours and 40 minutes. The distance is 1,678 miles (2,701 km).
Which airlines fly nonstop from Sacramento to Saint Louis?
Just Southwest Airlines.
Is there a nonstop flight from Sacramento to Saint Louis?
Yes. 1 airline: Southwest Airlines.
How far is Sacramento from Saint Louis?
The flight distance from Sacramento to Saint Louis is 1,678 miles (2,701 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Sacramento to Saint Louis?
At 3h 40m, 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 Sacramento to Saint Louis?
Roughly 284 kg CO2 per passenger one-way. That's about the same as driving 1,420 km.
Is the return flight from Saint Louis to Sacramento 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 Sacramento 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 Sacramento International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.