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Cheap flights from Louisville to San Antonio from $151

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 5/16. 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.
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
$310Spirit Airlines
Fri, May 15 - Sun, May 17
American Airlines Logo
5:38 pm - 9:57 pm
SDF
-
SAT
5h 19m
1 stop
American Airlines Logo
4:28 pm - 9:41 pm
SAT
-
SDF
4h 13m
1 stop
$321American Airlines
Wed, May 13 - Sat, May 16
Southwest Logo
3:30 pm - 9:45 pm
SDF
-
SAT
7h 15m
2 stops
Southwest Logo
6:25 am - 3:10 pm
SAT
-
SDF
7h 45m
1 stop
$326Southwest
Wed, May 13 - Sat, May 16
Multiple Airlines Logo
7:48 pm - 9:27 am
SDF
-
SAT
14h 39m
1 stop
Multiple Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$327Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
7:48 pm - 9:27 am
SDF
-
SAT
14h 39m
1 stop
Multiple Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$328Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Multiple Airlines Logo
7:48 pm - 9:27 am
SDF
-
SAT
14h 39m
1 stop
Multiple Airlines Logo
2:12 pm - 5:04 pm
SAT
-
SDF
25h 52m
2 stops
$329Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Southwest Logo
4:40 pm - 9:45 pm
SDF
-
SAT
6h 05m
2 stops
Southwest Logo
9:15 am - 5:45 pm
SAT
-
SDF
7h 30m
2 stops
$331Southwest
Wed, May 13 - Sat, May 16
American Airlines Logo
6:07 am - 9:36 am
SDF
-
SAT
4h 29m
1 stop
American Airlines Logo
5:45 pm - 11:11 pm
SAT
-
SDF
4h 26m
1 stop
$335American Airlines
Thu, May 14 - Sat, May 16
Spirit Airlines Logo
6:06 pm - 11:51 pm
SDF
-
SAT
6h 45m
1 stop
Spirit Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$337Spirit Airlines
Sun, Apr 19 - Thu, Apr 30
United Airlines Logo
9:15 am - 1:08 pm
SDF
-
SAT
4h 53m
1 stop
United Airlines Logo
5:30 am - 2:47 pm
SAT
-
SDF
8h 17m
2 stops
$340United Airlines
Tue, Apr 21 - Sat, Apr 25

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
May 15
SDF10:33 amLouisville Intl
6h 43m
1 stop
SAT4:16 pmSan Antonio
May 17
SAT5:26 pmSan Antonio
15h 02m
1 stop
SDF9:28 amLouisville Intl
$310
Spirit Airlines
Apr 19
SDF6:06 pmLouisville Intl
6h 45m
1 stop
SAT11:51 pmSan Antonio
Apr 30
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$337
Spirit Airlines
May 25
SDF10:33 amLouisville Intl
6h 43m
1 stop
SAT4:16 pmSan Antonio
May 28
SAT5:26 pmSan Antonio
15h 02m
1 stop
SDF9:28 amLouisville Intl
$360

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
May 28
SDF9:45 amLouisville Intl
4h 47m
1 stop
SAT1:32 pmSan Antonio
Jun 2
SAT7:55 amSan Antonio
5h 47m
1 stop
SDF2:42 pmLouisville Intl
$359
Delta
May 28
SDF9:45 amLouisville Intl
4h 47m
1 stop
SAT1:32 pmSan Antonio
Jun 1
SAT4:11 pmSan Antonio
5h 25m
1 stop
SDF10:36 pmLouisville Intl
$373
Delta
May 11
SDF3:37 pmLouisville Intl
5h 51m
1 stop
SAT8:28 pmSan Antonio
May 15
SAT6:21 pmSan Antonio
5h 04m
1 stop
SDF12:25 amLouisville Intl
$408

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 1, 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

Fri 5/15

10:33 am-4:16 pm

1 stop6h 43m

San Antonio

Sun 5/17

5:26 pm-9:28 am

1 stop15h 02m

$310

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/13

5:38 pm-9:57 pm

1 stop5h 19m

San Antonio

Sat 5/16

4:28 pm-9:41 pm

1 stop4h 13m

$321

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/13

3:30 pm-9:45 pm

2 stops7h 15m

San Antonio

Sat 5/16

6:25 am-3:10 pm

1 stop7h 45m

$326

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

7:48 pm-9:27 am

1 stop14h 39m

San Antonio

Fri 4/17

6:00 am-5:04 pm

1 stop10h 04m

$327

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

7:48 pm-9:27 am

1 stop14h 39m

San Antonio

Fri 4/17

6:00 am-5:04 pm

1 stop10h 04m

$328

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

7:48 pm-9:27 am

1 stop14h 39m

San Antonio

Fri 4/17

2:12 pm-5:04 pm

2 stops25h 52m

$329

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/13

4:40 pm-9:45 pm

2 stops6h 05m

San Antonio

Sat 5/16

9:15 am-5:45 pm

2 stops7h 30m

$331
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/14

6:07 am-9:36 am

1 stop4h 29m

San Antonio

Sat 5/16

5:45 pm-11:11 pm

1 stop4h 26m

$335

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 4/19

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Thu 4/30

6:00 am-5:04 pm

1 stop10h 04m

$337

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 4/21

9:15 am-1:08 pm

1 stop4h 53m

San Antonio

Sat 4/25

5:30 am-2:47 pm

2 stops8h 17m

$340

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 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 $394 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

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

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. 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
DeltaPriceFrom $236Free CancellationRating
7.9
8,368 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,544 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,335 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,529 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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