Direct (nonstop) flights from Chicago to Louisville

1 airline flys nonstop from Chicago Midway International (MDW) to Louisville International Airport (SDF). It's 271 miles (436 km), about 1h 15m in the air. Operated by Southwest Airlines.

MDW
Chicago Midway International
🇺🇸 Chicago, USA
SDF
Louisville International Airport
🇺🇸 Louisville, USA
Flight Time
1h 15m
Distance
271 mi
436 km
CO₂/pax
50 kg
−76 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
+1h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 26, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
MDW → SDF
Flight Time
1h 15m
Distance
271 mi

Alternative Routes

Other ways to fly from Chicago to Louisville with one stop · direct emits 50 kg CO₂ per passenger

MDW BNA (Nashville) SDF
Leg 1: 1h 30m (394 mi) Leg 2: 1h (150 mi) Total: ~2h 30m 🍃 126 kg CO₂ (+152% vs. direct)
Leg 1
MDW → BNA
1h 30m · 394 mi
View MDW to BNA flights →
Leg 2
BNA → SDF
1h · 150 mi
View BNA to SDF flights →
MDW DTW (Detroit) SDF
Leg 1: 1h 10m (227 mi) Leg 2: 1h 24m (305 mi) Total: ~2h 34m 🍃 123 kg CO₂ (+146% vs. direct)
Leg 1
MDW → DTW
1h 10m · 227 mi
View MDW to DTW flights →
Leg 2
DTW → SDF
1h 24m · 305 mi
View DTW to SDF flights →
MDW PIT (Pittsburgh) SDF
Leg 1: 1h 25m (400 mi) Leg 2: 1h 29m (334 mi) Total: ~2h 54m 🍃 161 kg CO₂ (+222% vs. direct)
Leg 1
MDW → PIT
1h 25m · 400 mi
View MDW to PIT flights →
Leg 2
PIT → SDF
1h 29m · 334 mi
View PIT to SDF flights →
MDW MCI (Kansas City) SDF
Leg 1: 1h 30m (405 mi) Leg 2: 1h 35m (491 mi) Total: ~3h 5m 🍃 191 kg CO₂ (+282% vs. direct)
Leg 1
MDW → MCI
1h 30m · 405 mi
View MDW to MCI flights →
Leg 2
MCI → SDF
1h 35m · 491 mi
View MCI to SDF flights →
MDW ATL (Atlanta) SDF
Leg 1: 1h 58m (590 mi) Leg 2: 1h 20m (321 mi) Total: ~3h 18m 🍃 193 kg CO₂ (+286% vs. direct)
Leg 1
MDW → ATL
1h 58m · 590 mi
View MDW to ATL flights →
Leg 2
ATL → SDF
1h 20m · 321 mi
View ATL to SDF flights →

Frequently Asked Questions

How long is the direct flight from Chicago to Louisville?

A nonstop flight from Chicago (MDW) to Louisville (SDF) takes approximately 1 hours and 15 minutes. The distance is 271 miles (436 km).

Which airlines fly nonstop from Chicago to Louisville?

Just Southwest Airlines.

Is there a nonstop flight from Chicago to Louisville?

Yes. 1 airline: Southwest Airlines.

How far is Chicago from Louisville?

The flight distance from Chicago to Louisville is 271 miles (436 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.

What type of aircraft flies from Chicago to Louisville?

At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Chicago to Louisville?

Roughly 50 kg CO2 per passenger one-way. That's about the same as driving 250 km.

Is the return flight from Louisville to Chicago 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 Chicago 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 Chicago Midway International for this flight?

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