Cheap Flights from Houston to Louisville Muhammad Ali International

Compare Houston to Louisville Muhammad Ali International flight deals

Find the cheapest month or even day of the year to fly to Louisville Muhammad Ali International

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Flight deals from Houston to Louisville Muhammad Ali International

Looking for a cheap last-minute deal or the best return flight from Houston to Louisville Muhammad Ali International Airport? If you want to travel next month, return fares start from $512. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Houston to Louisville Muhammad Ali International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Houston to Louisville Muhammad Ali International flights are currently cheapest in July.

Direct flights from Houston to Louisville Muhammad Ali International

Houston to Louisville Muhammad Ali International: Alternative routes

Compare routes from Houston to Louisville below. You may find an airport to fly into that's cheaper, faster, or easier than Louisville Muhammad Ali International.

Houston to Louisville: Flight information

The things to know before you go.
Cheapest flight found$512
Cheapest month to flyJuly
Average flight time2 hrs, 17 mins
Most popular airlineMesa Airlines
Average flights per week106

Finding cheap flights from Houston to Louisville Muhammad Ali International: Frequently asked questions

The best price we found for a return flight from Houston to Louisville Muhammad Ali International is $512. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 17 minutes is the average flight time from Houston to Louisville Muhammad Ali International.
Mesa Airlines, United and Southwest Airlines fly direct from Houston to Louisville Muhammad Ali International.
As of June 2026, there are 106 flights per week flying from Houston to Louisville Muhammad Ali International.
The cheapest month to fly from Houston to Louisville Muhammad Ali International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Houston to Louisville Muhammad Ali International Airport on Wednesday, 15 July 2026.
Yes – the average flight time is 2 hours and 17 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Louisville Muhammad Ali International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Louisville is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Louisville Muhammad Ali International is Southwest Airlines .

Flying from Houston to Louisville Muhammad Ali International Airport (SDF): What you need to know

  • Start your journey at one of Houston's main airports, Houston George Bush Intercontinental Airport (IAH) or Houston Hobby Airport (HOU). Check out your options for booking a flight from Houston to Louisville Muhammad Ali International Airport (SDF) leaving from either of these.

  • Around 2 hours 20 minutes is how long you can expect to be travelling on a direct Houston to Louisville Muhammad Ali International Airport flight.

  • Louisville Muhammad Ali International Airport is located in Louisville. The city operates on the UTC-5 timezone and is one hour ahead of Houston.

  • Houston George Bush Intercontinental Airport (IAH) to Louisville Muhammad Ali International Airport (SDF) is the busiest route. You can choose from 21 direct weekly services between IAH and SDF.

  • To ensure you catch your flight from Houston to SDF, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the standard rule.

  • If you're going away during a peak month like July, get to the airport even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Security lines will be longer during holiday periods like Thanksgiving, Christmas and New Year.

Airports in Houston

Houston George Bush Intercontinental Airport (IAH)

  • You can find a direct flight from Houston to Louisville Muhammad Ali International Airport (SDF) out of Houston George Bush Intercontinental Airport (IAH).

  • You can lock in a direct flight from Houston to Louisville Muhammad Ali International Airport with United Airlines. This top airline operates departures from IAH.

  • The preferred choice for passengers flying between IAH and SDF is United.

  • United takes the top spot for on-time performance. A reliable 83.57% of its services on this route complete the journey on schedule.

  • Located around 40 kilometres from central Houston, IAH can be reached in about 30 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 10 minutes.

  • Looking for a comfortable hotel close to Houston George Bush Intercontinental Airport? If you've booked an early flight from Houston to Louisville Muhammad Ali International Airport, these stays will have you sleeping moments from your departure lounge:

  • Of the flights that depart from Houston George Bush Intercontinental Airport, 79% arrive as scheduled at their destination.

  • You'll find IAH at 16930 JFK Boulevard.

Houston Hobby Airport (HOU)

  • Consider starting your trip from Houston Hobby Airport (HOU). You can book a direct Houston to Louisville Muhammad Ali International Airport (SDF) plane ticket with departures from this hub.

  • You can board a direct flight from Houston to SDF with Southwest Airlines. This is one of the main airlines operating this route out of HOU.

  • Southwest Airlines has the largest share of bookings on the HOU to SDF route.

  • Southwest Airlines is the most punctual carrier flying from Houston Hobby Airport to Louisville Muhammad Ali International Airport, with 70.27% of its services arriving on schedule.

  • HOU is about 19 kilometres from central Houston. It takes 20 minutes or so to get to the airport driving from the city centre. Public transport takes roughly 50 minutes.

  • Flying off with the first light? Think about staying at one of these hotels near Houston Hobby Airport the day before your Houston to SDF flight:

  • When it comes to keeping flights on track, Houston Hobby Airport has an on-time arrival performance of 79%.

  • You'll find HOU at 7800 Airport Boulevard.

About Louisville Muhammad Ali International Airport (SDF)

Getting from Louisville Muhammad Ali International Airport (SDF) to central Louisville

  • From Louisville Muhammad Ali International Airport, central Louisville is around 16 kilometres away. It takes about 20 minutes to reach the city centre by car.

  • It takes roughly 55 minutes when travelling by public transport.

How to find the cheapest flights from Houston to Louisville Muhammad Ali International Airport (SDF)

  • The cheapest price we've found for a one-way ticket from Houston to Louisville Muhammad Ali International Airport is $253. For a return flight on this route, the best price is $512. Depending on when you book and the availability, these fares may change.

  • Don't leave everything to the last moment. You're more likely to find cheap flights from Houston to SDF if you book ahead. Airlines often offer some excellent early bird discounts.

  • Affordable Houston to Louisville Muhammad Ali International Airport tickets are easier to find when your travel dates are flexible. Use the 'Whole month' tool to compare fares across every month and then choose the cheapest day.

  • You don't need to check every day to find out if prices have dropped when you create a Price Alert. We'll notify you the moment a better deal is available on plane tickets from Houston to SDF.

  • Tailor your trip using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Houston to Louisville Muhammad Ali International Airport.

The best time to fly from Houston to Louisville Muhammad Ali International Airport (SDF)

  • December is the quietest month for flights from Houston to Louisville Muhammad Ali International Airport (SDF), while June is the most popular. Work out the best time to visit Louisville based on whether you prefer a lively atmosphere or a more laid-back vibe.

  • Before locking in your Houston to SDF plane ticket, consider the kind of weather forecast you're hoping for. July is the warmest month in Louisville, with temperatures ranging from 17ºC to 33ºC.

  • Look for cheap tickets from Houston to Louisville Muhammad Ali International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -8ºC and 9ºC.

More about Louisville

Explore more of the United States

  • Louisville will leave a lasting impression, but there are so many other parts of the United States waiting to be discovered. Around 306 kilometres northeast of Louisville, a trip to Columbus will keep you on the go. Check out popular attractions like Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.

  • If you're ready to explore another side of the United States, consider Indianapolis, roughly 177 kilometres north of Louisville. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.