Direct (nonstop) flights from Austin to Louisville

3 airlines fly nonstop from Austin-Bergstrom International Airport (AUS) to Louisville International Airport (SDF). It's 876 miles (1,409 km), about 2h 23m in the air. Operated by American Airlines, Delta Air Lines, Southwest Airlines.

AUS
Austin-Bergstrom International Airport
🇺🇸 Austin, USA
SDF
Louisville International Airport
🇺🇸 Louisville, USA
Flight Time
2h 23m
Distance
876 mi
1,409 km
CO₂/pax
162 kg
−31 kg vs. layover
Airlines
3
American Airlines +2
Time Diff
+1h
Operated by American Airlines American Airlines Delta Air Lines Delta Air Lines Southwest Airlines Southwest Airlines

Route data last updated: May 29, 2026

Airlines with non-stop flights

American Airlines AA American Airlines
Route
AUS → SDF
Flight Time
2h 23m
Distance
876 mi
Delta Air Lines DL Delta Air Lines
Route
AUS → SDF
Flight Time
2h 23m
Distance
876 mi
Southwest Airlines WN Southwest Airlines
Route
AUS → SDF
Flight Time
2h 23m
Distance
876 mi

Alternative Routes

Other ways to fly from Austin to Louisville with one stop · direct emits 162 kg CO₂ per passenger

AUS BNA (Nashville) SDF
Leg 1: 2h 5m (756 mi) Leg 2: 1h (150 mi) Total: ~3h 5m 🍃 193 kg CO₂ (+19% vs. direct)
Leg 1
AUS → BNA
2h 5m · 756 mi
View AUS to BNA flights →
Leg 2
BNA → SDF
1h · 150 mi
View BNA to SDF flights →
AUS DAL (Dallas) SDF
Leg 1: 1h 5m (188 mi) Leg 2: 2h (725 mi) Total: ~3h 5m 🍃 194 kg CO₂ (+20% vs. direct)
Leg 1
AUS → DAL
1h 5m · 188 mi
View AUS to DAL flights →
Leg 2
DAL → SDF
2h · 725 mi
View DAL to SDF flights →
AUS HOU (Houston) SDF
Leg 1: 1h (148 mi) Leg 2: 2h 10m (803 mi) Total: ~3h 10m 🍃 201 kg CO₂ (+24% vs. direct)
Leg 1
AUS → HOU
1h · 148 mi
View AUS to HOU flights →
Leg 2
HOU → SDF
2h 10m · 803 mi
View HOU to SDF flights →
AUS MSY (New Orleans) SDF
Leg 1: 1h 25m (444 mi) Leg 2: 1h 54m (621 mi) Total: ~3h 19m 🍃 222 kg CO₂ (+37% vs. direct)
Leg 1
AUS → MSY
1h 25m · 444 mi
View AUS to MSY flights →
Leg 2
MSY → SDF
1h 54m · 621 mi
View MSY to SDF flights →
AUS DFW (Dallas) SDF
Leg 1: 1h 16m (189 mi) Leg 2: 2h 10m (732 mi) Total: ~3h 26m 🍃 195 kg CO₂ (+20% vs. direct)
Leg 1
AUS → DFW
1h 16m · 189 mi
View AUS to DFW flights →
Leg 2
DFW → SDF
2h 10m · 732 mi
View DFW to SDF flights →

Frequently Asked Questions

How long is the direct flight from Austin to Louisville?

A nonstop flight from Austin (AUS) to Louisville (SDF) takes approximately 2 hours and 23 minutes. The distance is 876 miles (1,409 km).

Which airlines fly nonstop from Austin to Louisville?

3 airlines: American Airlines, Delta Air Lines, Southwest Airlines.

Is there a nonstop flight from Austin to Louisville?

Yes. 3 airlines: American Airlines, Delta Air Lines, Southwest Airlines.

How far is Austin from Louisville?

The flight distance from Austin to Louisville is 876 miles (1,409 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Madrid.

What type of aircraft flies from Austin to Louisville?

At 2h 23m, 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 Austin to Louisville?

Roughly 162 kg CO2 per passenger one-way. That's about the same as driving 810 km.

Is the return flight from Louisville to Austin 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 Austin 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 Austin-Bergstrom International Airport for this flight?

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