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Cheap flights from Louisville to San Antonio from $112

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 10/10. 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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0 bags

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Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Spirit Airlines Logo
6:58 pm - 7:30 pmSDF-SAT
25h 32m1 stop
Spirit Airlines Logo
6:00 am - 11:45 pmSAT-SDF
16h 45m1 stop
$248Spirit Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Multiple Airlines Logo
11:47 am - 6:30 pmSDF-SAT
7h 43m1 stop
Multiple Airlines Logo
7:35 pm - 9:31 amSAT-SDF
12h 56m1 stop
$258Multiple Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
American Airlines Logo
6:46 pm - 10:39 pmSDF-SAT
4h 53m1 stop
American Airlines Logo
7:51 am - 3:45 pmSAT-SDF
6h 54m1 stop
$297American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 28
Delta Logo
3:11 pm - 8:28 pmSDF-SAT
6h 17m1 stop
Delta Logo
5:25 am - 1:53 pmSAT-SDF
7h 28m1 stop
$305Delta
Find Deal
Sat, Oct 11 - Tue, Oct 14
American Airlines Logo
8:18 am - 2:12 pmSDF-SAT
6h 54m1 stop
American Airlines Logo
3:00 pm - 10:01 pmSAT-SDF
6h 01m1 stop
$307American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
United Airlines Logo
7:00 am - 3:29 pmSDF-SAT
9h 29m2 stops
United Airlines Logo
4:24 pm - 9:57 pmSAT-SDF
4h 33m1 stop
$310United Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
Delta Logo
7:05 am - 1:41 pmSDF-SAT
7h 36m1 stop
Delta Logo
6:22 pm - 12:06 amSAT-SDF
4h 44m1 stop
$313Delta
Find Deal
Thu, Nov 13 - Mon, Nov 17
Southwest Logo
12:20 pm - 7:20 pmSDF-SAT
8h 00m2 stops
Southwest Logo
10:40 am - 5:10 pmSAT-SDF
5h 30m2 stops
$315Southwest
Find Deal
Sat, Nov 1 - Tue, Nov 4
United Airlines Logo
9:15 am - 1:08 pmSDF-SAT
4h 53m1 stop
United Airlines Logo
5:00 am - 2:47 pmSAT-SDF
8h 47m2 stops
$318United Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Southwest Logo
7:50 am - 6:25 pmSDF-SAT
11h 35m2 stops
Southwest Logo
10:40 am - 5:10 pmSAT-SDF
5h 30m2 stops
$323Southwest
Find Deal
Fri, Oct 31 - Tue, Nov 4

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Oct 14
SDF6:46 pmLouisville Intl
4h 53m
1 stop
SAT10:39 pmSan Antonio
Oct 28
SAT7:51 amSan Antonio
6h 54m
1 stop
SDF3:45 pmLouisville Intl
$297
Find similar
American Airlines
Oct 31
SDF8:18 amLouisville Intl
6h 54m
1 stop
SAT2:12 pmSan Antonio
Nov 4
SAT3:00 pmSan Antonio
6h 01m
1 stop
SDF10:01 pmLouisville Intl
$307
Find similar
American Airlines
Oct 10
SDF5:02 pmLouisville Intl
6h 55m
1 stop
SAT10:57 pmSan Antonio
Oct 13
SAT6:39 pmSan Antonio
4h 14m
1 stop
SDF11:53 pmLouisville Intl
$329
Find similar

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Nov 1
SDF7:00 amLouisville Intl
9h 29m
2 stops
SAT3:29 pmSan Antonio
Nov 4
SAT4:24 pmSan Antonio
4h 33m
1 stop
SDF9:57 pmLouisville Intl
$310
Find similar
United Airlines
Feb 28
SDF9:15 amLouisville Intl
4h 53m
1 stop
SAT1:08 pmSan Antonio
Mar 3
SAT5:00 amSan Antonio
8h 47m
2 stops
SDF2:47 pmLouisville Intl
$318
Find similar
United Airlines
Feb 14
SDF1:55 pmLouisville Intl
8h 20m
2 stops
SAT9:15 pmSan Antonio
Feb 20
SAT2:10 pmSan Antonio
6h 49m
1 stop
SDF9:59 pmLouisville Intl
$320
Find similar

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 September 18, 2025.
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

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 11/1

6:58 pm-7:30 pm

1 stop25h 32m

San Antonio

Sat 11/8

6:00 am-11:45 pm

1 stop16h 45m

$248

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 10/24

11:47 am-6:30 pm

1 stop7h 43m

San Antonio

Sun 10/26

7:35 pm-9:31 am

1 stop12h 56m

$258

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 10/14

6:46 pm-10:39 pm

1 stop4h 53m

San Antonio

Tue 10/28

7:51 am-3:45 pm

1 stop6h 54m

$297

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 10/11

3:11 pm-8:28 pm

1 stop6h 17m

San Antonio

Tue 10/14

5:25 am-1:53 pm

1 stop7h 28m

$305

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 10/31

8:18 am-2:12 pm

1 stop6h 54m

San Antonio

Tue 11/4

3:00 pm-10:01 pm

1 stop6h 01m

$307

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 11/1

7:00 am-3:29 pm

2 stops9h 29m

San Antonio

Tue 11/4

4:24 pm-9:57 pm

1 stop4h 33m

$310

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 11/13

7:05 am-1:41 pm

1 stop7h 36m

San Antonio

Mon 11/17

6:22 pm-12:06 am

1 stop4h 44m

$313

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 11/1

12:20 pm-7:20 pm

2 stops8h 00m

San Antonio

Tue 11/4

10:40 am-5:10 pm

2 stops5h 30m

$315

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 2/28

9:15 am-1:08 pm

1 stop4h 53m

San Antonio

Tue 3/3

5:00 am-2:47 pm

2 stops8h 47m

$318

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 10/31

7:50 am-6:25 pm

2 stops11h 35m

San Antonio

Tue 11/4

10:40 am-5:10 pm

2 stops5h 30m

$323

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 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 June instead. Flights to San Antonio in June, while not as cheap as those in August, still average around $350.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $428.

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

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Louisville to San Antonio in the evening for as low as $348. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $422. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $288 on momondo.

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

As of September 2025, prices for Louisville to San Antonio flights are approximately 208% more expensive 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

Direct flights

None
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

  • 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 19m 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
Spirit AirlinesPriceFrom $156Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,242 reviews
Search Southwest 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
Schertz
Pleasanton

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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