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Cheap flights from Louisville to San Antonio from $114

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 3/6. 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
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
$298Spirit Airlines
Fri, Apr 17 - Mon, Apr 20
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
$299Spirit Airlines
Thu, May 14 - Sat, May 16
Multiple Airlines Logo
9:13 pm - 9:27 am
SDF
-
SAT
13h 14m
1 stop
Multiple Airlines Logo
10:22 am - 11:47 am
SAT
-
SDF
24h 25m
1 stop
$300Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
9:13 pm - 9:27 am
SDF
-
SAT
13h 14m
1 stop
Multiple Airlines Logo
10:22 am - 2:33 pm
SAT
-
SDF
27h 11m
1 stop
$301Multiple Airlines
Mon, Mar 23 - Wed, Mar 25
American Airlines Logo
6:00 am - 10:39 am
SDF
-
SAT
5h 39m
1 stop
American Airlines Logo
3:11 pm - 9:41 pm
SAT
-
SDF
5h 30m
1 stop
$317American Airlines
Tue, Apr 7 - Tue, Apr 7
Multiple Airlines Logo
9:13 pm - 12:27 pm
SDF
-
SAT
16h 14m
2 stops
Multiple Airlines Logo
10:22 am - 11:47 am
SAT
-
SDF
24h 25m
1 stop
$318Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
United Airlines Logo
5:00 am - 1:08 pm
SDF
-
SAT
9h 08m
2 stops
United Airlines Logo
5:50 pm - 11:59 pm
SAT
-
SDF
5h 09m
1 stop
$322United Airlines
Tue, Apr 7 - Tue, Apr 7
Multiple Airlines Logo
9:13 pm - 9:27 am
SDF
-
SAT
13h 14m
1 stop
Multiple Airlines Logo
1:22 pm - 2:33 pm
SAT
-
SDF
24h 11m
2 stops
$323Multiple Airlines
Mon, Mar 23 - Wed, Mar 25
Multiple Airlines Logo
12:09 pm - 1:23 pm
SDF
-
SAT
26h 14m
1 stop
Multiple Airlines Logo
2:13 pm - 11:14 am
SAT
-
SDF
20h 01m
1 stop
$324Multiple Airlines
Wed, Mar 18 - Tue, Mar 24
Southwest Logo
8:05 pm - 12:50 am
SDF
-
SAT
5h 45m
1 stop
Southwest Logo
12:50 pm - 6:00 pm
SAT
-
SDF
4h 10m
1 stop
$326Southwest
Mon, Mar 23 - Tue, Mar 24

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
Apr 17
SDF6:06 pmLouisville Intl
6h 45m
1 stop
SAT11:51 pmSan Antonio
Apr 20
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$298
Spirit Airlines
May 14
SDF6:06 pmLouisville Intl
6h 45m
1 stop
SAT11:51 pmSan Antonio
May 16
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$299
Spirit Airlines
Mar 18
SDF12:09 pmLouisville Intl
22h 18m
2 stops
SAT9:27 amSan Antonio
Mar 24
SAT1:22 pmSan Antonio
20h 52m
1 stop
SDF11:14 amLouisville Intl
$341

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Apr 7
SDF6:00 amLouisville Intl
5h 39m
1 stop
SAT10:39 amSan Antonio
Apr 7
SAT3:11 pmSan Antonio
5h 30m
1 stop
SDF9:41 pmLouisville Intl
$317
American Airlines
Mar 12
SDF6:33 amLouisville Intl
10h 27m
2 stops
SAT4:00 pmSan Antonio
Mar 16
SAT5:00 pmSan Antonio
5h 20m
1 stop
SDF11:20 pmLouisville Intl
$623

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 March 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

Fri 4/17

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Mon 4/20

6:00 am-5:04 pm

1 stop10h 04m

$298

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 5/14

6:06 pm-11:51 pm

1 stop6h 45m

San Antonio

Sat 5/16

6:00 am-5:04 pm

1 stop10h 04m

$299

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/30

9:13 pm-9:27 am

1 stop13h 14m

San Antonio

Mon 4/6

10:22 am-11:47 am

1 stop24h 25m

$300

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/23

9:13 pm-9:27 am

1 stop13h 14m

San Antonio

Wed 3/25

10:22 am-2:33 pm

1 stop27h 11m

$301

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 4/7

6:00 am-10:39 am

1 stop5h 39m

San Antonio

Tue 4/7

3:11 pm-9:41 pm

1 stop5h 30m

$317

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/30

9:13 pm-12:27 pm

2 stops16h 14m

San Antonio

Mon 4/6

10:22 am-11:47 am

1 stop24h 25m

$318

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 4/7

5:00 am-1:08 pm

2 stops9h 08m

San Antonio

Tue 4/7

5:50 pm-11:59 pm

1 stop5h 09m

$322

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/23

9:13 pm-9:27 am

1 stop13h 14m

San Antonio

Wed 3/25

1:22 pm-2:33 pm

2 stops24h 11m

$323

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 3/18

12:09 pm-1:23 pm

1 stop26h 14m

San Antonio

Tue 3/24

2:13 pm-11:14 am

1 stop20h 01m

$324

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 3/23

8:05 pm-12:50 am

1 stop5h 45m

San Antonio

Tue 3/24

12:50 pm-6:00 pm

1 stop4h 10m

$326

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 $393 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 March 2026, prices for Louisville to San Antonio flights are approximately 108% 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 46m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 46m
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 46m 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
8,242 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,375 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,302 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,377 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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