Direct (nonstop) flights from Louisville to Houston

1 airline flys nonstop from Louisville International Airport (SDF) to William P. Hobby Airport (HOU). It's 803 miles (1,292 km), about 2h 23m in the air. Operated by Southwest Airlines.

SDF
Louisville International Airport
🇺🇸 Louisville, USA
HOU
William P. Hobby Airport
🇺🇸 Houston, USA
Flight Time
2h 23m
Distance
803 mi
1,292 km
CO₂/pax
149 kg
−28 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
-1h
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 28, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
SDF → HOU
Flight Time
2h 23m
Distance
803 mi

Alternative Routes

Other ways to fly from Louisville to Houston with one stop · direct emits 149 kg CO₂ per passenger

SDF BNA (Nashville) HOU
Leg 1: 55m (150 mi) Leg 2: 2h 10m (670 mi) Total: ~3h 5m 🍃 177 kg CO₂ (+19% vs. direct)
Leg 1
SDF → BNA
55m · 150 mi
View SDF to BNA flights →
Leg 2
BNA → HOU
2h 10m · 670 mi
View BNA to HOU flights →
SDF MSY (New Orleans) HOU
Leg 1: 2h 1m (621 mi) Leg 2: 1h 20m (302 mi) Total: ~3h 21m 🍃 196 kg CO₂ (+32% vs. direct)
Leg 1
SDF → MSY
2h 1m · 621 mi
View SDF to MSY flights →
Leg 2
MSY → HOU
1h 20m · 302 mi
View MSY to HOU flights →
SDF DAL (Dallas) HOU
Leg 1: 2h 15m (725 mi) Leg 2: 1h 15m (239 mi) Total: ~3h 30m 🍃 203 kg CO₂ (+36% vs. direct)
Leg 1
SDF → DAL
2h 15m · 725 mi
View SDF to DAL flights →
Leg 2
DAL → HOU
1h 15m · 239 mi
View DAL to HOU flights →
SDF VPS (Fort Walton Beach) HOU
Leg 1: 1h 41m (531 mi) Leg 2: 1h 50m (526 mi) Total: ~3h 31m 🍃 220 kg CO₂ (+48% vs. direct)
Leg 1
SDF → VPS
1h 41m · 531 mi
View SDF to VPS flights →
Leg 2
VPS → HOU
1h 50m · 526 mi
View VPS to HOU flights →
SDF ATL (Atlanta) HOU
Leg 1: 1h 30m (321 mi) Leg 2: 2h 14m (695 mi) Total: ~3h 44m 🍃 213 kg CO₂ (+43% vs. direct)
Leg 1
SDF → ATL
1h 30m · 321 mi
View SDF to ATL flights →
Leg 2
ATL → HOU
2h 14m · 695 mi
View ATL to HOU flights →

Frequently Asked Questions

How long is the direct flight from Louisville to Houston?

A nonstop flight from Louisville (SDF) to Houston (HOU) takes approximately 2 hours and 23 minutes. The distance is 803 miles (1,292 km).

Which airlines fly nonstop from Louisville to Houston?

Just Southwest Airlines.

Is there a nonstop flight from Louisville to Houston?

Yes. 1 airline: Southwest Airlines.

How far is Louisville from Houston?

The flight distance from Louisville to Houston is 803 miles (1,292 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 Louisville to Houston?

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 Louisville to Houston?

Roughly 149 kg CO2 per passenger one-way. That's about the same as driving 745 km.

Is the return flight from Houston 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 Houston?

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.