Cheap flights from Houston George Bush Intcntl Airport to Louisville from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Louisville departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:40 pm - 9:59 pmIAH-SDF
2h 19mnonstop
United Airlines Logo
6:00 am - 7:48 amSDF-IAH
2h 48mnonstop
$181United Airlines
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Fri, Jan 23 - Sun, Jan 25
American Airlines Logo
6:00 am - 1:11 pmIAH-SDF
6h 11m1 stop
American Airlines Logo
10:47 am - 4:00 pmSDF-IAH
6h 13m1 stop
$183American Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
United Airlines Logo
6:20 am - 1:28 pmIAH-SDF
6h 08m1 stop
United Airlines Logo
6:00 am - 7:48 amSDF-IAH
2h 48mnonstop
$191United Airlines
Find Deal
Fri, Jan 23 - Sun, Jan 25
Delta Logo
5:10 am - 10:19 amIAH-SDF
4h 09m1 stop
Delta Logo
7:59 pm - 11:59 pmSDF-IAH
5h 00m1 stop
$199Delta
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Sat, Dec 13 - Mon, Dec 15
Multiple Airlines Logo
5:45 am - 6:04 pmIAH-SDF
11h 19m1 stop
Multiple Airlines Logo
4:39 pm - 8:54 amSDF-IAH
17h 15m1 stop
$200Multiple Airlines
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Fri, Jan 23 - Sun, Jan 25
Delta Logo
5:10 am - 12:13 pmIAH-SDF
6h 03m1 stop
Delta Logo
3:16 pm - 9:11 pmSDF-IAH
6h 55m1 stop
$201Delta
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
6:00 am - 2:48 pmIAH-SDF
7h 48m2 stops
American Airlines Logo
7:20 pm - 11:59 pmSDF-IAH
5h 39m1 stop
$206American Airlines
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Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
4:11 pm - 9:04 amIAH-SDF
15h 53m1 stop
Multiple Airlines Logo
7:46 pm - 9:11 amSDF-IAH
14h 25m1 stop
$210Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
Spirit Airlines Logo
11:10 pm - 6:16 pmIAH-SDF
18h 06m2 stops
Spirit Airlines Logo
7:11 pm - 9:11 amSDF-IAH
15h 00m1 stop
$211Spirit Airlines
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Thu, Nov 6 - Mon, Nov 10
Spirit Airlines Logo
11:10 pm - 6:16 pmIAH-SDF
18h 06m2 stops
Spirit Airlines Logo
7:11 pm - 12:18 amSDF-IAH
6h 07m1 stop
$212Spirit Airlines
Find Deal
Thu, Nov 6 - Mon, Nov 10

American Airlines flights from Houston George Bush Intcntl Airport to Louisville

Our best American Airlines deals on Houston George Bush Intcntl Airport to Louisville flight tickets
American Airlines
Dec 9
IAH6:00 amHouston George Bush Intcntl
6h 11m
1 stop
SDF1:11 pmLouisville Intl
Dec 11
SDF10:47 amLouisville Intl
6h 13m
1 stop
IAH4:00 pmHouston George Bush Intcntl
American Airlines
Jan 23
IAH6:00 amHouston George Bush Intcntl
7h 48m
2 stops
SDF2:48 pmLouisville Intl
Jan 25
SDF7:20 pmLouisville Intl
5h 39m
1 stop
IAH11:59 pmHouston George Bush Intcntl
American Airlines
Dec 18
IAH10:02 amHouston George Bush Intcntl
7h 30m
1 stop
SDF6:32 pmLouisville Intl
Dec 29
SDF5:49 pmLouisville Intl
6h 46m
1 stop
IAH11:35 pmHouston George Bush Intcntl

Spirit Airlines flights from Houston George Bush Intcntl Airport to Louisville

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to Louisville flight tickets
Spirit Airlines
Nov 6
IAH11:10 pmHouston George Bush Intcntl
18h 06m
2 stops
SDF6:16 pmLouisville Intl
Nov 10
SDF7:11 pmLouisville Intl
15h 00m
1 stop
IAH9:11 amHouston George Bush Intcntl
Spirit Airlines
Nov 6
IAH11:10 pmHouston George Bush Intcntl
18h 06m
2 stops
SDF6:16 pmLouisville Intl
Nov 10
SDF7:11 pmLouisville Intl
6h 07m
1 stop
IAH12:18 amHouston George Bush Intcntl
Spirit Airlines
Nov 20
IAH5:34 amHouston George Bush Intcntl
11h 19m
1 stop
SDF5:53 pmLouisville Intl
Nov 23
SDF8:31 pmLouisville Intl
13h 30m
1 stop
IAH9:01 amHouston George Bush Intcntl

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 1/23

6:40 pm-9:59 pm

Nonstop2h 19m

Louisville Intl

Sun 1/25

6:00 am-7:48 am

Nonstop2h 48m

$181

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Tue 12/9

6:00 am-1:11 pm

1 stop6h 11m

Louisville Intl

Thu 12/11

10:47 am-4:00 pm

1 stop6h 13m

$183

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 1/23

6:20 am-1:28 pm

1 stop6h 08m

Louisville Intl

Sun 1/25

6:00 am-7:48 am

Nonstop2h 48m

$191

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Sat 12/13

5:10 am-10:19 am

1 stop4h 09m

Louisville Intl

Mon 12/15

7:59 pm-11:59 pm

1 stop5h 00m

$199

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 1/23

5:45 am-6:04 pm

1 stop11h 19m

Louisville Intl

Sun 1/25

4:39 pm-8:54 am

1 stop17h 15m

$200

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 12/4

5:10 am-12:13 pm

1 stop6h 03m

Louisville Intl

Mon 12/8

3:16 pm-9:11 pm

1 stop6h 55m

$201

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Fri 1/23

6:00 am-2:48 pm

2 stops7h 48m

Louisville Intl

Sun 1/25

7:20 pm-11:59 pm

1 stop5h 39m

$206

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 11/13

4:11 pm-9:04 am

1 stop15h 53m

Louisville Intl

Mon 11/17

7:46 pm-9:11 am

1 stop14h 25m

$210

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 11/6

11:10 pm-6:16 pm

2 stops18h 06m

Louisville Intl

Mon 11/10

7:11 pm-9:11 am

1 stop15h 00m

$211

HoustonLouisville

IAH - SDF

IAHSDF

Houston George Bush Intcntl

Thu 11/6

11:10 pm-6:16 pm

2 stops18h 06m

Louisville Intl

Mon 11/10

7:11 pm-12:18 am

1 stop6h 07m

$212

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Louisville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of July, then departing from Houston George Bush Intcntl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $358.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from Houston George Bush Intcntl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $323. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Houston George Bush Intcntl Airport to Louisville on a Tuesday will generally be more expensive and average around $417. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest Houston George Bush Intcntl Airport to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $305. In the morning is when there is more demand to fly to Louisville, so prices are often more expensive at around $434 per ticket.

What is the cheapest Houston George Bush Intcntl to Louisville Intl flight route?

Fly from Houston George Bush Intcntl to Louisville Intl for the best Houston George Bush Intcntl - Louisville Intl flight prices

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $443 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Houston George Bush Intcntl Airport for as low as $165 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Louisville Intl flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to Louisville Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Louisville flights?

You could potentially save up to 18% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Louisville flight.

How have Houston George Bush Intcntl Airport to Louisville flight prices changed over time?

As of October 2025, prices for Houston George Bush Intcntl Airport to Louisville flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to Louisville (IAH to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Louisville

Best Price Found

$170

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Houston George Bush Intcntl Airport in the past 72 hours is $170. The best round-trip flight deal from Houston George Bush Intcntl Airport to Louisville found on momondo in the last 72 hours is $386.
The fastest flight from Houston George Bush Intcntl Airport to Louisville takes 2h 15m
Direct flights go from Houston George Bush Intcntl Airport to Louisville every day.
There is 1 airport near Louisville: Louisville Intl (SDF)
  • How far is Houston George Bush Intcntl to Louisville Intl by plane?

    There are 790.2 mi between Houston George Bush Intcntl and Louisville Intl. A reasonable flight in good conditions will take 2h 19m.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Louisville Intl Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Louisville Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Louisville Intl Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents you'll need for your trip to Louisville Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisville Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Louisville?

  • What is the most popular airline from Houston George Bush Intcntl Airport to Louisville?

Best airlines flying from Houston George Bush Intcntl Airport to Louisville

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Louisville with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $169Free CancellationRating
7.9
7,982 reviews
Search Delta flights
Spirit AirlinesPriceFrom $206Free CancellationRating
6.3
8,103 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
American AirlinesPriceFrom $318Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
  • United Airlines Flights From Houston George Bush Intcntl Airport to Louisville

    United Airlines is one of the most popular airlines flying from Houston George Bush Intcntl Airport to Louisville, operating 12 flights/week on average for this route. A good United Airlines flight deal for Houston George Bush Intcntl Airport to Louisville starts from $281 round-trip, up to an average price of $440. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Charlestown
Springfield
Georgetown
Brandenburg

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Louisville?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Louisville from Houston.

Can I find flights from Houston to Louisville with flexible booking policies on momondo?

Flights from Houston to Louisville with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Houston to Louisville?

momondo provides multiple filters to help you find the best flight to Louisville from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Houston to Louisville right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Louisville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 11/22
Sat 11/29

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