Direct (nonstop) flights from San Francisco to Louisville
2 airlines fly nonstop from San Francisco International (SFO) to Louisville International Airport (SDF). It's 1,990 miles (3,203 km), about 4h 30m in the air. Operated by Breeze Airways, United Airlines.
Breeze Airways
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
MX
Breeze Airways
UA
United Airlines
Alternative Routes
Other ways to fly from San Francisco to Louisville with one stop · direct emits 336 kg CO₂ per passenger
Looking for the return flight?
SDF → SFO: Flights from Louisville to San FranciscoOther direct flights from San Francisco
Direct flights from Louisville (SDF)
Frequently Asked Questions
How long is the direct flight from San Francisco to Louisville?
A nonstop flight from San Francisco (SFO) to Louisville (SDF) takes approximately 4 hours and 30 minutes. The distance is 1,990 miles (3,203 km).
Which airlines fly nonstop from San Francisco to Louisville?
2 airlines: Breeze Airways, United Airlines.
Is there a nonstop flight from San Francisco to Louisville?
Yes. 2 airlines: Breeze Airways, United Airlines.
How far is San Francisco from Louisville?
The flight distance from San Francisco to Louisville is 1,990 miles (3,203 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from San Francisco to Louisville?
At 4h 30m, 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 San Francisco to Louisville?
Roughly 336 kg CO2 per passenger one-way. That's about the same as driving 1,680 km.
Is the return flight from Louisville to San Francisco 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 San Francisco to Louisville?
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 San Francisco International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.