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Cheap flights from Louisville to San Antonio from $132

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Antonio departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
10:33 am - 4:16 pm
SDF
-
SAT
6h 43m
1 stop
Spirit Airlines Logo
5:26 pm - 9:28 am
SAT
-
SDF
15h 02m
1 stop
$270Spirit Airlines
Thu, May 21 - Sun, May 24
United Airlines Logo
7:22 am - 12:11 pm
SDF
-
SAT
5h 49m
1 stop
United Airlines Logo
7:00 am - 2:37 pm
SAT
-
SDF
6h 37m
1 stop
$290United Airlines
Wed, Sep 23 - Sat, Sep 26
Spirit Airlines Logo
10:33 am - 4:16 pm
SDF
-
SAT
6h 43m
1 stop
Spirit Airlines Logo
5:26 pm - 9:28 am
SAT
-
SDF
15h 02m
1 stop
$295Spirit Airlines
Thu, May 21 - Sun, May 24
Southwest Logo
8:45 am - 12:50 pm
SDF
-
SAT
5h 05m
1 stop
Southwest Logo
5:40 am - 2:15 pm
SAT
-
SDF
7h 35m
2 stops
$296Southwest
Wed, Sep 23 - Sat, Sep 26
Spirit Airlines Logo
10:33 am - 4:16 pm
SDF
-
SAT
6h 43m
1 stop
Spirit Airlines Logo
5:26 pm - 9:28 am
SAT
-
SDF
15h 02m
1 stop
$299Spirit Airlines
Thu, May 21 - Sun, May 24
Southwest Logo
7:05 am - 12:20 pm
SDF
-
SAT
6h 15m
2 stops
Southwest Logo
5:40 am - 2:15 pm
SAT
-
SDF
7h 35m
2 stops
$301Southwest
Wed, Sep 23 - Sat, Sep 26
United Airlines Logo
3:37 pm - 8:49 pm
SDF
-
SAT
6h 12m
1 stop
United Airlines Logo
6:49 am - 1:52 pm
SAT
-
SDF
6h 03m
1 stop
$304United Airlines
Tue, May 12 - Thu, May 14
Delta Logo
3:29 pm - 8:46 pm
SDF
-
SAT
6h 17m
1 stop
Delta Logo
5:20 am - 1:51 pm
SAT
-
SDF
7h 31m
1 stop
$317Delta
Sat, May 23 - Thu, May 28
Spirit Airlines Logo
10:33 am - 4:16 pm
SDF
-
SAT
6h 43m
1 stop
Spirit Airlines Logo
5:26 pm - 9:28 am
SAT
-
SDF
15h 02m
1 stop
$320Spirit Airlines
Mon, May 25 - Thu, May 28
Spirit Airlines Logo
10:33 am - 4:16 pm
SDF
-
SAT
6h 43m
1 stop
Spirit Airlines Logo
5:26 pm - 9:28 am
SAT
-
SDF
15h 02m
1 stop
$324Spirit Airlines
Mon, May 11 - Thu, May 14

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
May 15
SDF9:43 amLouisville Intl
8h 09m
1 stop
SAT4:52 pmSan Antonio
May 18
SAT5:00 amSan Antonio
4h 15m
1 stop
SDF10:15 amLouisville Intl
$381
American Airlines
May 14
SDF7:36 amLouisville Intl
7h 45m
1 stop
SAT2:21 pmSan Antonio
May 16
SAT10:27 amSan Antonio
5h 20m
1 stop
SDF4:47 pmLouisville Intl
$411
American Airlines
May 15
SDF9:43 amLouisville Intl
8h 09m
1 stop
SAT4:52 pmSan Antonio
May 18
SAT3:11 pmSan Antonio
7h 00m
1 stop
SDF11:11 pmLouisville Intl
$427

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
May 21
SDF10:33 amLouisville Intl
6h 43m
1 stop
SAT4:16 pmSan Antonio
May 24
SAT5:26 pmSan Antonio
15h 02m
1 stop
SDF9:28 amLouisville Intl
$270
Spirit Airlines
May 21
SDF10:33 amLouisville Intl
6h 43m
1 stop
SAT4:16 pmSan Antonio
May 24
SAT5:26 pmSan Antonio
15h 02m
1 stop
SDF9:28 amLouisville Intl
$295
Spirit Airlines
May 21
SDF10:33 amLouisville Intl
6h 43m
1 stop
SAT4:16 pmSan Antonio
May 24
SAT5:26 pmSan Antonio
15h 02m
1 stop
SDF9:28 amLouisville Intl
$299

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Antonio 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 April 25, 2026.
Use the filters below to find and compare flights from Louisville to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/21

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Sun 5/24

5:26 pm-9:28 am

1 stop15h 02m

$270

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 9/23

7:22 am-12:11 pm

1 stop5h 49m

San Antonio

Sat 9/26

7:00 am-2:37 pm

1 stop6h 37m

$290

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/21

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Sun 5/24

5:26 pm-9:28 am

1 stop15h 02m

$295

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 9/23

8:45 am-12:50 pm

1 stop5h 05m

San Antonio

Sat 9/26

5:40 am-2:15 pm

2 stops7h 35m

$296

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/21

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Sun 5/24

5:26 pm-9:28 am

1 stop15h 02m

$299

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 9/23

7:05 am-12:20 pm

2 stops6h 15m

San Antonio

Sat 9/26

5:40 am-2:15 pm

2 stops7h 35m

$301
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 5/12

3:37 pm-8:49 pm

1 stop6h 12m

San Antonio

Thu 5/14

6:49 am-1:52 pm

1 stop6h 03m

$304

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 5/23

3:29 pm-8:46 pm

1 stop6h 17m

San Antonio

Thu 5/28

5:20 am-1:51 pm

1 stop7h 31m

$317

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 5/25

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Thu 5/28

5:26 pm-9:28 am

1 stop15h 02m

$320

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 5/11

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Thu 5/14

5:26 pm-9:28 am

1 stop15h 02m

$324

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 San Antonio from

How to get the cheapest flight ticket from Louisville to San Antonio

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 typical price of a round-trip flight between Louisville and San Antonio?

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Louisville during February instead. Flights to San Antonio in February, while not as cheap as those in August, still average around $346.

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

You are more likely to see cheaper flights to San Antonio from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Louisville for as low as $314 on momondo.

How have Louisville to San Antonio flight prices changed over time?

As of April 2026, prices for Louisville to San Antonio flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Louisville to San Antonio

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

Cheap Louisville to San Antonio (SDF to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Antonio

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 43m
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

Frequently asked questions about flying from Louisville to San Antonio

  • How far is Louisville Intl to San Antonio by plane?

    A flight from Louisville Intl to San Antonio will travel around 949.7 mi. 4h 43m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Antonio Airport?

    Prices for flights from Louisville Intl Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Louisville Intl Airport to San Antonio Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to San Antonio?

Best airlines flying from Louisville to San Antonio

Compare and see reviews for airlines that fly from Louisville to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $127Free CancellationRating
7.9
8,458 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,333 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,650 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to San Antonio for you.

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

momondo does allow users to show only those flights to San Antonio from Louisville which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Louisville to San Antonio?

momondo helps you find the best flight between Louisville and San Antonio by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Louisville to San Antonio 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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