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Cheap flights from Louisville to San Antonio from $127

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 3/1. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:54 pm - 9:40 am
SDF
-
SAT
15h 46m1 stop
Multiple Airlines Logo
7:14 pm - 1:00 pm
SAT
-
SDF
16h 46m1 stop
$222Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Spirit Airlines Logo
3:36 pm - 9:40 am
SDF
-
SAT
19h 04m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pm
SAT
-
SDF
29h 30m1 stop
$241Spirit Airlines
Sun, Jan 18 - Sun, Jan 25
Spirit Airlines Logo
3:36 pm - 9:40 am
SDF
-
SAT
19h 04m1 stop
Spirit Airlines Logo
10:35 am - 1:00 pm
SAT
-
SDF
25h 25m2 stops
$256Spirit Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
1:55 pm - 9:40 am
SDF
-
SAT
20h 45m2 stops
Multiple Airlines Logo
7:14 pm - 1:00 pm
SAT
-
SDF
16h 46m1 stop
$310Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
5:05 am - 5:37 am
SDF
-
SAT
25h 32m3 stops
Multiple Airlines Logo
10:35 am - 6:04 pm
SAT
-
SDF
6h 29m1 stop
$318Multiple Airlines
Mon, Jan 5 - Fri, Jan 9
Delta Logo
3:32 pm - 10:28 pm
SDF
-
SAT
7h 56m1 stop
Delta Logo
6:30 am - 4:19 pm
SAT
-
SDF
8h 49m1 stop
$320Delta
Tue, Feb 3 - Thu, Feb 5
American Airlines Logo
8:07 am - 3:45 pm
SDF
-
SAT
8h 38m2 stops
American Airlines Logo
11:36 am - 5:33 pm
SAT
-
SDF
4h 57m1 stop
$325American Airlines
Tue, Feb 3 - Thu, Feb 5
Delta Logo
5:33 am - 12:39 pm
SDF
-
SAT
8h 06m1 stop
Delta Logo
6:27 pm - 11:58 pm
SAT
-
SDF
4h 31m1 stop
$328Delta
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
1:32 pm - 9:52 pm
SDF
-
SAT
9h 20m2 stops
American Airlines Logo
6:14 am - 2:48 pm
SAT
-
SDF
7h 34m2 stops
$383American Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
9:10 pm - 9:30 am
SDF
-
SAT
13h 20m1 stop
Multiple Airlines Logo
10:26 am - 2:38 pm
SAT
-
SDF
27h 12m1 stop
$384Multiple Airlines
Mon, Jun 1 - Mon, Jun 8

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Feb 3
SDF8:07 amLouisville Intl
8h 38m
2 stops
SAT3:45 pmSan Antonio
Feb 5
SAT11:36 amSan Antonio
4h 57m
1 stop
SDF5:33 pmLouisville Intl
$325
Find similar
American Airlines
Jan 18
SDF1:32 pmLouisville Intl
9h 20m
2 stops
SAT9:52 pmSan Antonio
Jan 25
SAT6:14 amSan Antonio
7h 34m
2 stops
SDF2:48 pmLouisville Intl
$383
Find similar
American Airlines
Jan 8
SDF10:44 amLouisville Intl
6h 01m
1 stop
SAT3:45 pmSan Antonio
Jan 13
SAT10:32 amSan Antonio
6h 58m
2 stops
SDF6:30 pmLouisville Intl
$392
Find similar

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Feb 3
SDF3:32 pmLouisville Intl
7h 56m
1 stop
SAT10:28 pmSan Antonio
Feb 5
SAT6:30 amSan Antonio
8h 49m
1 stop
SDF4:19 pmLouisville Intl
$320
Find similar
Delta
Feb 18
SDF5:33 amLouisville Intl
8h 06m
1 stop
SAT12:39 pmSan Antonio
Feb 22
SAT6:27 pmSan Antonio
4h 31m
1 stop
SDF11:58 pmLouisville Intl
$328
Find similar
Delta
Jan 8
SDF5:45 pmLouisville Intl
6h 38m
1 stop
SAT11:23 pmSan Antonio
Jan 13
SAT7:45 amSan Antonio
5h 57m
1 stop
SDF2:42 pmLouisville Intl
$387
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 December 23, 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

Fri 1/9

6:54 pm-9:40 am

1 stop15h 46m

San Antonio

Sun 1/11

7:14 pm-1:00 pm

1 stop16h 46m

$222

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 1/18

3:36 pm-9:40 am

1 stop19h 04m

San Antonio

Sun 1/25

6:30 am-1:00 pm

1 stop29h 30m

$241

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 1/18

3:36 pm-9:40 am

1 stop19h 04m

San Antonio

Sun 1/25

10:35 am-1:00 pm

2 stops25h 25m

$256

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/9

1:55 pm-9:40 am

2 stops20h 45m

San Antonio

Sun 1/11

7:14 pm-1:00 pm

1 stop16h 46m

$310

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 1/5

5:05 am-5:37 am

3 stops25h 32m

San Antonio

Fri 1/9

10:35 am-6:04 pm

1 stop6h 29m

$318

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

3:32 pm-10:28 pm

1 stop7h 56m

San Antonio

Thu 2/5

6:30 am-4:19 pm

1 stop8h 49m

$320

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

8:07 am-3:45 pm

2 stops8h 38m

San Antonio

Thu 2/5

11:36 am-5:33 pm

1 stop4h 57m

$325

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/18

5:33 am-12:39 pm

1 stop8h 06m

San Antonio

Sun 2/22

6:27 pm-11:58 pm

1 stop4h 31m

$328

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 1/18

1:32 pm-9:52 pm

2 stops9h 20m

San Antonio

Sun 1/25

6:14 am-2:48 pm

2 stops7h 34m

$383

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 6/1

9:10 pm-9:30 am

1 stop13h 20m

San Antonio

Mon 6/8

10:26 am-2:38 pm

1 stop27h 12m

$384

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $395 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 $305 on momondo.

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

As of December 2025, prices for Louisville to San Antonio flights are approximately 281% 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

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 55m
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 55m 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 $68Free CancellationRating
6.3
8,196 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,014 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,105 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
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.

An easier way to manage your San Antonio trip

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