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Cheap flights from Louisville to San Antonio from $111

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 9/28. 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

Spirit Airlines Logo
2:57 pm - 4:47 amSDF-SAT
14h 50m1 stop
Spirit Airlines Logo
6:00 am - 2:02 pmSAT-SDF
7h 02m1 stop
$236Spirit Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Spirit Airlines Logo
6:00 am - 10:27 pmSDF-SAT
17h 27m1 stop
Spirit Airlines Logo
6:00 am - 11:45 pmSAT-SDF
16h 45m1 stop
$241Spirit Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
6:00 am - 9:50 amSDF-SAT
4h 50m1 stop
Delta Logo
12:23 pm - 8:16 pmSAT-SDF
6h 53m1 stop
$255Delta
Find Deal
Tue, Oct 14 - Tue, Oct 28
United Airlines Logo
9:01 am - 4:50 pmSDF-SAT
8h 49m1 stop
United Airlines Logo
2:25 pm - 7:57 pmSAT-SDF
4h 32m1 stop
$263United Airlines
Find Deal
Tue, Sep 30 - Thu, Oct 2
Southwest Logo
11:50 am - 6:15 pmSDF-SAT
7h 25m2 stops
Southwest Logo
4:35 pm - 12:10 amSAT-SDF
6h 35m1 stop
$268Southwest
Find Deal
Tue, Sep 30 - Thu, Oct 2
Delta Logo
6:00 am - 9:50 amSDF-SAT
4h 50m1 stop
Delta Logo
5:25 am - 1:53 pmSAT-SDF
7h 28m1 stop
$277Delta
Find Deal
Tue, Oct 14 - Tue, Oct 28
United Airlines Logo
9:00 am - 3:30 pmSDF-SAT
7h 30m2 stops
United Airlines Logo
2:22 pm - 9:57 pmSAT-SDF
6h 35m1 stop
$282United Airlines
Find Deal
Wed, Dec 10 - Wed, Dec 17
Southwest Logo
2:50 pm - 11:05 pmSDF-SAT
9h 15m1 stop
Southwest Logo
4:35 pm - 12:10 amSAT-SDF
6h 35m1 stop
$316Southwest
Find Deal
Fri, Oct 10 - Mon, Oct 13
American Airlines Logo
7:13 am - 2:07 pmSDF-SAT
7h 54m1 stop
American Airlines Logo
6:04 am - 12:13 pmSAT-SDF
5h 09m1 stop
$319American Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 7
American Airlines Logo
1:06 pm - 7:22 pmSDF-SAT
7h 16m1 stop
American Airlines Logo
2:26 pm - 10:31 pmSAT-SDF
7h 05m1 stop
$328American Airlines
Find Deal
Sat, Oct 4 - Sat, Oct 11

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
Oct 17
SDF2:57 pmLouisville Intl
14h 50m
1 stop
SAT4:47 amSan Antonio
Oct 20
SAT6:00 amSan Antonio
7h 02m
1 stop
SDF2:02 pmLouisville Intl
$236
Find similar
Spirit Airlines
Dec 10
SDF6:00 amLouisville Intl
17h 27m
1 stop
SAT10:27 pmSan Antonio
Dec 17
SAT6:00 amSan Antonio
16h 45m
1 stop
SDF11:45 pmLouisville Intl
$241
Find similar
Spirit Airlines
Nov 13
SDF6:00 amLouisville Intl
17h 27m
1 stop
SAT10:27 pmSan Antonio
Nov 17
SAT4:16 pmSan Antonio
16h 43m
1 stop
SDF9:59 amLouisville Intl
$247
Find similar

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Oct 14
SDF6:00 amLouisville Intl
4h 50m
1 stop
SAT9:50 amSan Antonio
Oct 28
SAT12:23 pmSan Antonio
6h 53m
1 stop
SDF8:16 pmLouisville Intl
$255
Find similar
Delta
Oct 14
SDF6:00 amLouisville Intl
4h 50m
1 stop
SAT9:50 amSan Antonio
Oct 28
SAT5:25 amSan Antonio
7h 28m
1 stop
SDF1:53 pmLouisville Intl
$277
Find similar
Delta
Oct 20
SDF8:15 pmLouisville Intl
5h 05m
1 stop
SAT12:20 amSan Antonio
Oct 21
SAT6:21 pmSan Antonio
4h 38m
1 stop
SDF11:59 pmLouisville Intl
$287
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 August 28, 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 10/17

2:57 pm-4:47 am

1 stop14h 50m

San Antonio

Mon 10/20

6:00 am-2:02 pm

1 stop7h 02m

$236

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 12/10

6:00 am-10:27 pm

1 stop17h 27m

San Antonio

Wed 12/17

6:00 am-11:45 pm

1 stop16h 45m

$241

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 10/14

6:00 am-9:50 am

1 stop4h 50m

San Antonio

Tue 10/28

12:23 pm-8:16 pm

1 stop6h 53m

$255

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 9/30

9:01 am-4:50 pm

1 stop8h 49m

San Antonio

Thu 10/2

2:25 pm-7:57 pm

1 stop4h 32m

$263

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 9/30

11:50 am-6:15 pm

2 stops7h 25m

San Antonio

Thu 10/2

4:35 pm-12:10 am

1 stop6h 35m

$268

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 10/14

6:00 am-9:50 am

1 stop4h 50m

San Antonio

Tue 10/28

5:25 am-1:53 pm

1 stop7h 28m

$277

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 12/10

9:00 am-3:30 pm

2 stops7h 30m

San Antonio

Wed 12/17

2:22 pm-9:57 pm

1 stop6h 35m

$282

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 10/10

2:50 pm-11:05 pm

1 stop9h 15m

San Antonio

Mon 10/13

4:35 pm-12:10 am

1 stop6h 35m

$316

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 11/4

7:13 am-2:07 pm

1 stop7h 54m

San Antonio

Fri 11/7

6:04 am-12:13 pm

1 stop5h 09m

$319

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 10/4

1:06 pm-7:22 pm

1 stop7h 16m

San Antonio

Sat 10/11

2:26 pm-10:31 pm

1 stop7h 05m

$328

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 January instead. Flights to San Antonio in January, while not as cheap as those in August, still average around $340.

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 $388 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 $288 on momondo.

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

As of August 2025, prices for Louisville to San Antonio flights are approximately 42% 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.
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 50m 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 $232Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
SouthwestPriceFrom $302Free CancellationRating
8.0
4,242 reviews
Search Southwest 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.

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