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Cheap flights from Louisville to San Antonio from $106

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 12/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:55 pm - 11:10 pmSDF-SAT
4h 15m1 stop
Southwest Logo
6:00 am - 12:05 pmSAT-SDF
5h 05m1 stop
$301Southwest
Find Deal
jue., feb. 12 - sáb., feb. 21
American Airlines Logo
4:26 pm - 10:55 pmSDF-SAT
7h 29m1 stop
American Airlines Logo
5:00 am - 10:08 amSAT-SDF
4h 08m1 stop
$302American Airlines
Find Deal
mar., nov. 25 - mar., dic. 30
Southwest Logo
1:40 pm - 6:20 pmSDF-SAT
5h 40m1 stop
Southwest Logo
12:00 pm - 8:55 pmSAT-SDF
7h 55m2 stops
$306Southwest
Find Deal
jue., feb. 12 - sáb., feb. 21
Delta Logo
4:31 pm - 9:39 pmSDF-SAT
6h 08m1 stop
Delta Logo
6:30 am - 2:36 pmSAT-SDF
7h 06m1 stop
$337Delta
Find Deal
mié., feb. 18 - dom., feb. 22
Delta Logo
7:51 pm - 12:41 amSDF-SAT
5h 50m1 stop
Delta Logo
5:20 am - 11:35 amSAT-SDF
5h 15m1 stop
$351Delta
Find Deal
jue., feb. 5 - dom., feb. 8
Spirit Airlines Logo
6:48 pm - 6:32 pmSDF-SAT
24h 44m1 stop
Spirit Airlines Logo
7:37 pm - 5:53 pmSAT-SDF
21h 16m1 stop
$369Spirit Airlines
Find Deal
jue., nov. 20 - lun., nov. 24
American Airlines Logo
6:27 pm - 12:05 amSDF-SAT
6h 38m1 stop
American Airlines Logo
5:05 am - 10:10 amSAT-SDF
4h 05m1 stop
$371American Airlines
Find Deal
lun., mar. 9 - mié., mar. 11
Spirit Airlines Logo
6:48 pm - 3:59 pmSDF-SAT
22h 11m3 stops
Spirit Airlines Logo
4:54 pm - 5:53 pmSAT-SDF
23h 59m3 stops
$384Spirit Airlines
Find Deal
jue., nov. 20 - lun., nov. 24
United Airlines Logo
11:00 am - 4:20 pmSDF-SAT
6h 20m1 stop
United Airlines Logo
5:20 am - 1:21 pmSAT-SDF
7h 01m1 stop
$397United Airlines
Find Deal
lun., dic. 1 - dom., dic. 7
United Airlines Logo
5:35 am - 1:19 pmSDF-SAT
8h 44m2 stops
United Airlines Logo
11:43 am - 11:23 pmSAT-SDF
10h 40m2 stops
$431United Airlines
Find Deal
jue., feb. 5 - dom., feb. 8

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Feb 12
SDF7:55 pmLouisville Intl
4h 15m
1 stop
SAT11:10 pmSan Antonio
Feb 21
SAT6:00 amSan Antonio
5h 05m
1 stop
SDF12:05 pmLouisville Intl
$301
Find similar
Southwest
Feb 12
SDF1:40 pmLouisville Intl
5h 40m
1 stop
SAT6:20 pmSan Antonio
Feb 21
SAT12:00 pmSan Antonio
7h 55m
2 stops
SDF8:55 pmLouisville Intl
$306
Find similar
Southwest
Dec 2
SDF1:50 pmLouisville Intl
9h 05m
2 stops
SAT9:55 pmSan Antonio
Dec 9
SAT3:05 pmSan Antonio
6h 45m
1 stop
SDF10:50 pmLouisville Intl
$307
Find similar

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Feb 18
SDF4:31 pmLouisville Intl
6h 08m
1 stop
SAT9:39 pmSan Antonio
Feb 22
SAT6:30 amSan Antonio
7h 06m
1 stop
SDF2:36 pmLouisville Intl
$337
Find similar
Delta
Feb 5
SDF7:51 pmLouisville Intl
5h 50m
1 stop
SAT12:41 amSan Antonio
Feb 8
SAT5:20 amSan Antonio
5h 15m
1 stop
SDF11:35 amLouisville Intl
$351
Find similar
Delta
Dec 1
SDF7:54 pmLouisville Intl
5h 44m
1 stop
SAT12:38 amSan Antonio
Dec 4
SAT5:10 amSan Antonio
6h 03m
1 stop
SDF12:13 pmLouisville Intl
$361
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 noviembre 5, 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

jue. 2/12

7:55 pm-11:10 pm

1 stop4h 15m

San Antonio

sáb. 2/21

6:00 am-12:05 pm

1 stop5h 05m

$301

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

mar. 11/25

4:26 pm-10:55 pm

1 stop7h 29m

San Antonio

mar. 12/30

5:00 am-10:08 am

1 stop4h 08m

$302

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

jue. 2/12

1:40 pm-6:20 pm

1 stop5h 40m

San Antonio

sáb. 2/21

12:00 pm-8:55 pm

2 stops7h 55m

$306

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

mié. 2/18

4:31 pm-9:39 pm

1 stop6h 08m

San Antonio

dom. 2/22

6:30 am-2:36 pm

1 stop7h 06m

$337

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

jue. 2/5

7:51 pm-12:41 am

1 stop5h 50m

San Antonio

dom. 2/8

5:20 am-11:35 am

1 stop5h 15m

$351

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

jue. 11/20

6:48 pm-6:32 pm

1 stop24h 44m

San Antonio

lun. 11/24

7:37 pm-5:53 pm

1 stop21h 16m

$369

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

lun. 3/9

6:27 pm-12:05 am

1 stop6h 38m

San Antonio

mié. 3/11

5:05 am-10:10 am

1 stop4h 05m

$371

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

jue. 11/20

6:48 pm-3:59 pm

3 stops22h 11m

San Antonio

lun. 11/24

4:54 pm-5:53 pm

3 stops23h 59m

$384

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

lun. 12/1

11:00 am-4:20 pm

1 stop6h 20m

San Antonio

dom. 12/7

5:20 am-1:21 pm

1 stop7h 01m

$397

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

jue. 2/5

5:35 am-1:19 pm

2 stops8h 44m

San Antonio

dom. 2/8

11:43 am-11:23 pm

2 stops10h 40m

$431

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 $403 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 $320 on momondo.

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

As of November 2025, prices for Louisville to San Antonio flights are approximately 16% 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.
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  • 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 15m 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 $94Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $296Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
SouthwestPriceFrom $309Free CancellationRating
8.0
4,240 reviews
Search Southwest flights
United AirlinesPriceFrom $325Free CancellationRating
7.4
9,002 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
Boerne
Kerrville
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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