What are the cheapest airlines flying from Louisville to Houston round-trip?

Delta, at $174, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include American Airlines and Southwest. These flights start at 56% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the cheapest flights from Louisville to Houston?

The cheapest flight price from Louisville to Houston is $118. On average you can expect to pay $268. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $202.

What are the most popular airlines that fly from Louisville to Houston?

When booking a flight from Louisville to Houston, you may want to consider flying on United Airlines, Southwest or American Airlines as they are the most popular for this route.

What airport do you fly from for flights from Louisville to Houston?

Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Houston. 5 airlines have flights from Louisville Intl to Houston on a regular basis. Booking flights from Louisville Intl to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.

Can I find deals for flights from Louisville to Houston that include hotel bookings?

Yes. In addition to deals on Louisville to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Louisville to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Houston.

Can I find deals for business class flights from Louisville to Houston?

Yes. Cheapflights offers flight deals from Louisville to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Louisville to Houston

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Cheapflights Tip: The best prices from Louisville Intl to Houston are usually found in May or August, booked 79 days in advance, depart on a Monday or Friday and return on a Wednesday

Find flight deals from Louisville to Houston

Popular in	July
Cheapest in	May
Average price	$442

Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Best time to book a flight from Louisville to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Louisville with our price prediction graph.

SDF-HO1

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Houston

How far ahead should I book a flight from Louisville to Houston?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Houston?

Currently, August is the cheapest month in which you can book a flight from Louisville to Houston (average of $342). Flying from Louisville to Houston in January is currently the most expensive (average of $450). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SDF to HOU?

When flying from Louisville to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

What is the cheapest day to fly from Louisville to Houston?

Travelers seeking maximum savings on their Louisville to Houston flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,202 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

7.8

Good

8,609 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

10,247 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

JetBlue

7.1

Good

3,039 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.0

Good

12,099 reviews

Southwest

8.0

Very good

4,202 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

What airport do you fly from for flights from Louisville to Houston?
Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly out of when you book flights from Louisville to Houston. 5 airlines have flights from Louisville Intl to Houston on a regular basis. Booking flights from Louisville Intl to Houston should not be difficult; the airport handles an average of 0 outbound flights to Houston per day.
What are the cheapest airlines flying from Louisville to Houston round-trip?
Delta, at $174, was found to be the cheapest airline from Louisville to Houston.Alternate airlines to your destination round-trip include American Airlines and Southwest. These flights start at 56% lower than the current average price 3 months from now.
What are the cheapest flights from Louisville to Houston?
The cheapest flight price from Louisville to Houston is $118. On average you can expect to pay $268. The most popular route, (Louisville Intl - Houston Hobby), can usually be booked for $202.
Can I find deals for flights from Louisville to Houston that include hotel bookings?
Yes. In addition to deals on Louisville to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisville to Houston?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Houston.
Can I find deals for business class flights from Louisville to Houston?
Yes. Cheapflights offers flight deals from Louisville to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Louisville to Houston?
Currently, August is the cheapest month in which you can book a flight from Louisville to Houston (average of $342). Flying from Louisville to Houston in January is currently the most expensive (average of $450). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Louisville to Houston

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$174	Average$335	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$210	Average$371	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$237	Average$368	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$271	Average$423	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$325	Average$491	FlexibilityNo cancel fee	On-time62%

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Cheap flights from Louisville (SDF) to Houston

Find cheap flights from Louisville to Houston with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Louisville to Houston

Popular in

Cheapest in

Average price

Best time to book a flight from Louisville to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Louisville with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Louisville to Houston?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Houston?

What is the cheapest time of day to fly from SDF to HOU?

When flying from Louisville to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

What is the cheapest day to fly from Louisville to Houston?

Travelers seeking maximum savings on their Louisville to Houston flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Houston

See what other customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from Louisville to Houston?

What are the cheapest airlines flying from Louisville to Houston round-trip?

What are the cheapest flights from Louisville to Houston?

Can I find deals for flights from Louisville to Houston that include hotel bookings?

How can I find direct flights from Louisville to Houston?

Can I find deals for business class flights from Louisville to Houston?

What is the cheapest month to book a flight from Louisville to Houston?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Louisville to Houston by cabin class

Find flights from Louisville to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Louisville and Houston flights

Browse other Louisville and Houston flight options. Last updated on September 26, 2026.

Other flights from Louisville

Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on September 26, 2026.

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Top 5 airlines flying from Louisville to Houston

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