NONSTOP

Direct Flights from Houston to Louisville

Louisville · Kentucky

Nonstop service from IAH and HOU to SDF on Southwest, United. Here's the schedule at a glance — plus what to do once you land.

Airlines
Southwest, United
Nonstop flights
~4/dayacross 2 airport pairs
Distance
788 mi
Flight time
~2h 5mgate to gate
Elevation
501 ft404 ft higher than your departure
Days operated
Daily (all week)
Great-circle flight path from Houston (IAH) to Louisville (SDF), 788 miles nonstop.IAHSDF

Which airports fly this route

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  • IAHSDFGeorge Bush Intercontinental
    United~3/dayDaily (all week)788 mi
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  • HOUSDFWilliam P. Hobby
    Southwest~1/dayDaily (all week)803 mi
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How rare is this nonstop?

32 cities have a nonstop to Louisville, Houston among them.

How long to go to Louisville for, from Houston

2h 5m in the air, 788 miles — a Friday-evening departure still leaves you most of the evening in Louisville. Two nights works.

With roughly 4 departures a day, you are not tied to one flight: if a meeting overruns or the weather turns, there is another one behind it.

About Louisville

Louisville, the largest city in Kentucky, is known for the Kentucky Derby horserace and as the "gateway to the south" from southern Indiana. It's a lively mid-sized city with an excellent dining scene, ample opportunities for bourbon tasting, and interesting public art. Louisville is also the namesake of the Official Bat of Major League Baseball — the Louisville Slugger.

Summary from Wikivoyage (CC BY-SA).

Top things to do in Louisville

  1. The Sons of the American Revolution (SAR), formally the National Society of the Sons of the American Revolution (NSSAR), is a federally chartered patriotic organization.
  2. The Basilica of Saint Joseph Proto-Cathedral is a Catholic parish church at 310 West Stephen Foster Avenue in Bardstown, Kentucky.
  3. The Wyandotte Caves is a pair of limestone caves located on the Ohio River in Harrison–Crawford State Forest in Crawford County, Indiana, 5 miles (8 km) northeast of Leavenworth and 12 miles (19 km) from Corydon.
  4. The Louisville Zoological Gardens, commonly known as the Louisville Zoo, is a 134-acre (54 ha) zoo in Louisville, Kentucky, situated in the city's Poplar Level neighborhood.
  5. Kentucky Kingdom, formerly known as Six Flags Kentucky Kingdom, is a theme park in Louisville, Kentucky, United States. The 67-acre (27 ha) park includes a collection of amusement rides and the Hurricane Bay water park.
  6. The Cathedral of the Assumption is a Catholic cathedral in Louisville, Kentucky, in the United States. It is the mother church of the Archdiocese of Louisville. As of 2025, it is the seat of Archbishop Shelton J.
  7. The Muhammad Ali Center is a non-profit museum and cultural center dedicated to boxer Muhammad Ali in Louisville, Kentucky, United States. Ali, a native of Louisville, and his wife Lonnie Ali founded the museum in 2005.
  8. The Palace Theatre is a music venue in downtown Louisville, Kentucky, located in the city's theater district, on the east side of Fourth Street, between Broadway and Chestnut Street.
  9. Falls of the Ohio State Park is a state park in the U.S. state of Indiana. It is located on the banks of the Ohio River at Clarksville, Indiana, across from Louisville, Kentucky.
  10. Bernheim Forest and Arboretum, formerly Bernheim Arboretum and Research Forest, is a 16,346-acre (66.15 km2) arboretum, forest, and nature preserve located in Clermont, Kentucky.
  11. Zachary Taylor National Cemetery is a United States National Cemetery located at 4701 Brownsboro Road (US-42), in Louisville, Kentucky.
  12. Marengo Cave is a privately owned cave located in Marengo, Indiana. One of only four show caves in Indiana, public tours of the cave have been given since 1883.

Attraction descriptions from Wikipedia (CC BY-SA); place data from Wikidata (CC0).

Louisville weather, compared with Houston

12° cooler than Houston on average across the year, on daytime highs:

January
Louisville 43°F · Houston 64°F · 20° colder
April
Louisville 69°F · Houston 80°F · 11° colder
July
Louisville 89°F · Houston 94°F · 5° colder
October
Louisville 70°F · Houston 82°F · 12° colder

January bottoms out near 43°F — a real coat, not a layer. Louisville also swings harder through the year than Houston does — 46° between its coldest and warmest months against 31°.

Average daily highs, 1991–2020 station normals from Meteostat (CC BY 4.0), measured at each city's airport.

Planning a trip to Louisville

Best time to visit
The best time to visit Louisville is April–May and September–October, when daytime highs are a comfortable 69–82°F.
How long to stay
Louisville rewards a longer visit — a full week lets you explore its many sights, from Sons of the American Revolution, Basilica of St. Joseph Proto-Cathedral, and Wyandotte Caves and beyond.

Frequently asked questions

Is there a direct flight from Houston to Louisville?
Yes — you can fly nonstop from Houston (IAH, HOU) to Louisville (SDF) on Southwest, United.
Which airlines fly nonstop from Houston to Louisville?
Southwest, United fly nonstop between Houston (IAH, HOU) and Louisville (SDF).
Which Houston airport has nonstop flights to Louisville?
You can leave from 2 Houston airports: IAH (George Bush Intercontinental) on United; HOU (William P. Hobby) on Southwest.
How many nonstop flights are there from Houston to Louisville?
There are about 4 nonstop departures per day (roughly 28 per week) from Houston to Louisville.
How far is Louisville from Houston?
Louisville is about 788 miles from Houston by air.
What is there to do in Louisville?
Popular things to do include Sons of the American Revolution, Basilica of St. Joseph Proto-Cathedral, Wyandotte Caves, Louisville Zoo, and more.

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