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Cheap flights from Louisville to San Antonio from $159

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 2/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
9:12 pm - 1:12 pm
SDF
-
SAT
17h 00m1 stop
Multiple Airlines Logo
2:13 pm - 11:43 am
SAT
-
SDF
20h 30m1 stop
$254Multiple Airlines
Sun, Feb 22 - Sat, Feb 28
Spirit Airlines Logo
1:55 pm - 11:52 pm
SDF
-
SAT
10h 57m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pm
SAT
-
SDF
29h 30m1 stop
$258Spirit Airlines
Fri, Jan 23 - Sun, Jan 25
Multiple Airlines Logo
9:12 pm - 1:12 pm
SDF
-
SAT
17h 00m1 stop
Multiple Airlines Logo
2:13 pm - 8:40 am
SAT
-
SDF
41h 27m2 stops
$281Multiple Airlines
Sun, Feb 22 - Sat, Feb 28
Spirit Airlines Logo
1:55 pm - 11:52 pm
SDF
-
SAT
10h 57m1 stop
Spirit Airlines Logo
10:35 am - 1:00 pm
SAT
-
SDF
25h 25m2 stops
$299Spirit Airlines
Fri, Jan 23 - Sun, Jan 25
Spirit Airlines Logo
1:19 pm - 11:59 pm
SDF
-
SAT
11h 40m1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SAT
-
SDF
5h 21m1 stop
$319Spirit Airlines
Mon, Mar 9 - Wed, Mar 11
Delta Logo
3:32 pm - 8:25 pm
SDF
-
SAT
5h 53m1 stop
Delta Logo
5:20 am - 11:37 am
SAT
-
SDF
5h 17m1 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
3:07 pm - 8:47 pm
SAT
-
SDF
4h 40m1 stop
$326American Airlines
Tue, Feb 3 - Thu, Feb 5
Delta Logo
10:18 am - 3:23 pm
SDF
-
SAT
6h 05m1 stop
Delta Logo
4:29 pm - 11:58 pm
SAT
-
SDF
6h 29m1 stop
$328Delta
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
8:07 am - 3:45 pm
SDF
-
SAT
8h 38m2 stops
American Airlines Logo
1:08 pm - 8:47 pm
SAT
-
SDF
6h 39m1 stop
$336American Airlines
Tue, Feb 3 - Thu, Feb 5
Multiple Airlines Logo
12:20 pm - 9:30 am
SDF
-
SAT
22h 10m1 stop
Multiple Airlines Logo
10:26 am - 11:30 am
SAT
-
SDF
24h 04m1 stop
$338Multiple Airlines
Wed, Jun 3 - Tue, Jun 9

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
Jan 23
SDF1:55 pmLouisville Intl
10h 57m
1 stop
SAT11:52 pmSan Antonio
Jan 25
SAT6:30 amSan Antonio
29h 30m
1 stop
SDF1:00 pmLouisville Intl
$258
Find similar
Spirit Airlines
Jan 23
SDF1:55 pmLouisville Intl
10h 57m
1 stop
SAT11:52 pmSan Antonio
Jan 25
SAT10:35 amSan Antonio
25h 25m
2 stops
SDF1:00 pmLouisville Intl
$299
Find similar
Spirit Airlines
Mar 9
SDF1:19 pmLouisville Intl
11h 40m
1 stop
SAT11:59 pmSan Antonio
Mar 11
SAT6:00 amSan Antonio
5h 21m
1 stop
SDF12:21 pmLouisville Intl
$319
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
5h 53m
1 stop
SAT8:25 pmSan Antonio
Feb 5
SAT5:20 amSan Antonio
5h 17m
1 stop
SDF11:37 amLouisville Intl
$320
Find similar
Delta
Feb 18
SDF10:18 amLouisville Intl
6h 05m
1 stop
SAT3:23 pmSan Antonio
Feb 22
SAT4:29 pmSan Antonio
6h 29m
1 stop
SDF11:58 pmLouisville Intl
$328
Find similar
Delta
Feb 4
SDF3:32 pmLouisville Intl
5h 53m
1 stop
SAT8:25 pmSan Antonio
Feb 8
SAT6:17 pmSan Antonio
4h 33m
1 stop
SDF11:50 pmLouisville Intl
$347
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 January 3, 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

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 2/22

9:12 pm-1:12 pm

1 stop17h 00m

San Antonio

Sat 2/28

2:13 pm-11:43 am

1 stop20h 30m

$254

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/23

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Sun 1/25

6:30 am-1:00 pm

1 stop29h 30m

$258

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 2/22

9:12 pm-1:12 pm

1 stop17h 00m

San Antonio

Sat 2/28

2:13 pm-8:40 am

2 stops41h 27m

$281

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/23

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Sun 1/25

10:35 am-1:00 pm

2 stops25h 25m

$299

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/9

1:19 pm-11:59 pm

1 stop11h 40m

San Antonio

Wed 3/11

6:00 am-12:21 pm

1 stop5h 21m

$319

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

3:32 pm-8:25 pm

1 stop5h 53m

San Antonio

Thu 2/5

5:20 am-11:37 am

1 stop5h 17m

$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

3:07 pm-8:47 pm

1 stop4h 40m

$326

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 2/18

10:18 am-3:23 pm

1 stop6h 05m

San Antonio

Sun 2/22

4:29 pm-11:58 pm

1 stop6h 29m

$328

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 2/3

8:07 am-3:45 pm

2 stops8h 38m

San Antonio

Thu 2/5

1:08 pm-8:47 pm

1 stop6h 39m

$336

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 6/3

12:20 pm-9:30 am

1 stop22h 10m

San Antonio

Tue 6/9

10:26 am-11:30 am

1 stop24h 04m

$338

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 $363.

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 $396 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 January 2026, prices for Louisville to San Antonio flights are approximately 124% 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

5h 11m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 5h 11m
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. 5h 11m 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
8,264 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,023 reviews
Search Delta flights
American AirlinesPriceFrom $286Free CancellationRating
7.2
11,077 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,138 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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