Direct (nonstop) flights from Louisville to San Francisco

2 airlines fly nonstop from Louisville International Airport (SDF) to San Francisco International (SFO). It's 1,990 miles (3,203 km), about 5h 9m in the air. Operated by Breeze Airways, United Airlines.

SDF
Louisville International Airport
🇺🇸 Louisville, USA
SFO
San Francisco International
🇺🇸 San Francisco, USA
Flight Time
5h 9m
Distance
1,990 mi
3,203 km
CO₂/pax
336 kg
−25 kg vs. layover
Airlines
2
Breeze Airways +1
Time Diff
-3h
Operated by Breeze Airways Breeze Airways United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

Breeze Airways MX Breeze Airways
Route
SDF → SFO
Flight Time
5h 9m
Distance
1,990 mi
United Airlines UA United Airlines
Route
SDF → SFO
Flight Time
5h 9m
Distance
1,990 mi

Alternative Routes

Other ways to fly from Louisville to San Francisco with one stop · direct emits 336 kg CO₂ per passenger

SDF DEN (Denver) SFO
Leg 1: 2h 59m (1,023 mi) Leg 2: 2h 46m (967 mi) Total: ~5h 45m 🍃 361 kg CO₂ (+7% vs. direct)
Leg 1
SDF → DEN
2h 59m · 1,023 mi
View SDF to DEN flights →
Leg 2
DEN → SFO
2h 46m · 967 mi
View DEN to SFO flights →
SDF MCI (Kansas City) SFO
Leg 1: 1h 40m (491 mi) Leg 2: 4h 5m (1,499 mi) Total: ~5h 45m 🍃 369 kg CO₂ (+10% vs. direct)
Leg 1
SDF → MCI
1h 40m · 491 mi
View SDF to MCI flights →
Leg 2
MCI → SFO
4h 5m · 1,499 mi
View MCI to SFO flights →
SDF MDW (Chicago) SFO
Leg 1: 1h 15m (271 mi) Leg 2: 4h 35m (1,855 mi) Total: ~5h 50m 🍃 389 kg CO₂ (+16% vs. direct)
Leg 1
SDF → MDW
1h 15m · 271 mi
View SDF to MDW flights →
Leg 2
MDW → SFO
4h 35m · 1,855 mi
View MDW to SFO flights →
SDF LAS (Las Vegas) SFO
Leg 1: 4h 8m (1,623 mi) Leg 2: 1h 43m (414 mi) Total: ~5h 51m 🍃 376 kg CO₂ (+12% vs. direct)
Leg 1
SDF → LAS
4h 8m · 1,623 mi
View SDF to LAS flights →
Leg 2
LAS → SFO
1h 43m · 414 mi
View LAS to SFO flights →
SDF BNA (Nashville) SFO
Leg 1: 55m (150 mi) Leg 2: 4h 57m (1,969 mi) Total: ~5h 52m 🍃 386 kg CO₂ (+15% vs. direct)
Leg 1
SDF → BNA
55m · 150 mi
View SDF to BNA flights →
Leg 2
BNA → SFO
4h 57m · 1,969 mi
View BNA to SFO flights →

Frequently Asked Questions

How long is the direct flight from Louisville to San Francisco?

A nonstop flight from Louisville (SDF) to San Francisco (SFO) takes approximately 5 hours and 9 minutes. The distance is 1,990 miles (3,203 km).

Which airlines fly nonstop from Louisville to San Francisco?

2 airlines: Breeze Airways, United Airlines.

Is there a nonstop flight from Louisville to San Francisco?

Yes. 2 airlines: Breeze Airways, United Airlines.

How far is Louisville from San Francisco?

The flight distance from Louisville to San Francisco 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 Louisville to San Francisco?

At 5h 9m, 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 Louisville to San Francisco?

Roughly 336 kg CO2 per passenger one-way. That's about the same as driving 1,680 km.

Is the return flight from San Francisco to Louisville 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 Louisville to San Francisco?

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 Louisville International Airport for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.