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Cheap flights from Louisville to San Antonio from $85

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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
1:55 pm - 11:52 pm
SDF
-
SAT
10h 57m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pm
SAT
-
SDF
5h 30m1 stop
$184Spirit Airlines
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
10:44 am - 4:45 pm
SDF
-
SAT
7h 01m1 stop
American Airlines Logo
8:10 am - 2:48 pm
SAT
-
SDF
5h 38m1 stop
$192American Airlines
Thu, Jan 8 - Tue, Jan 13
American Airlines Logo
7:20 pm - 11:58 pm
SDF
-
SAT
5h 38m1 stop
American Airlines Logo
5:20 pm - 11:19 pm
SAT
-
SDF
4h 59m1 stop
$193American Airlines
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
10:44 am - 3:45 pm
SDF
-
SAT
6h 01m1 stop
American Airlines Logo
1:08 pm - 10:05 pm
SAT
-
SDF
7h 57m2 stops
$197American Airlines
Thu, Jan 8 - Tue, Jan 13
United Airlines Logo
5:35 am - 12:24 pm
SDF
-
SAT
7h 49m1 stop
United Airlines Logo
4:04 pm - 9:59 pm
SAT
-
SDF
4h 55m1 stop
$215United Airlines
Thu, Jan 22 - Mon, Jan 26
Multiple Airlines Logo
6:54 pm - 11:52 pm
SDF
-
SAT
29h 58m3 stops
Multiple Airlines Logo
6:30 am - 1:00 pm
SAT
-
SDF
5h 30m1 stop
$217Multiple Airlines
Mon, Jan 12 - Wed, Jan 21
United Airlines Logo
3:30 pm - 7:41 pm
SDF
-
SAT
5h 11m1 stop
United Airlines Logo
7:40 am - 5:37 pm
SAT
-
SDF
8h 57m2 stops
$220United Airlines
Mon, Jan 12 - Wed, Jan 21
Southwest Logo
11:50 am - 5:40 pm
SDF
-
SAT
6h 50m2 stops
Southwest Logo
2:45 pm - 10:10 pm
SAT
-
SDF
6h 25m2 stops
$225Southwest
Thu, Jan 22 - Mon, Jan 26
Southwest Logo
6:00 am - 3:45 pm
SDF
-
SAT
10h 45m2 stops
Southwest Logo
2:45 pm - 10:10 pm
SAT
-
SDF
6h 25m2 stops
$238Southwest
Thu, Jan 8 - Tue, Jan 13
American Airlines Logo
7:51 am - 2:18 pm
SDF
-
SAT
7h 27m1 stop
American Airlines Logo
10:22 am - 5:34 pm
SAT
-
SDF
6h 12m1 stop
$239American Airlines
Sat, Feb 14 - Fri, Feb 20

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
Jan 12
SDF1:55 pmLouisville Intl
10h 57m
1 stop
SAT11:52 pmSan Antonio
Jan 21
SAT6:30 amSan Antonio
5h 30m
1 stop
SDF1:00 pmLouisville Intl
$184
Find similar
Spirit Airlines
Jan 30
SDF1:55 pmLouisville Intl
10h 57m
1 stop
SAT11:52 pmSan Antonio
Feb 2
SAT6:30 amSan Antonio
31h 11m
2 stops
SDF2:41 pmLouisville Intl
$264
Find similar
Spirit Airlines
Dec 19
SDF5:05 amLouisville Intl
19h 21m
1 stop
SAT11:26 pmSan Antonio
Dec 31
SAT2:39 pmSan Antonio
8h 20m
1 stop
SDF11:59 pmLouisville Intl
$282
Find similar

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Jan 8
SDF10:44 amLouisville Intl
7h 01m
1 stop
SAT4:45 pmSan Antonio
Jan 13
SAT8:10 amSan Antonio
5h 38m
1 stop
SDF2:48 pmLouisville Intl
$192
Find similar
American Airlines
Jan 12
SDF7:20 pmLouisville Intl
5h 38m
1 stop
SAT11:58 pmSan Antonio
Jan 21
SAT5:20 pmSan Antonio
4h 59m
1 stop
SDF11:19 pmLouisville Intl
$193
Find similar
American Airlines
Jan 8
SDF10:44 amLouisville Intl
6h 01m
1 stop
SAT3:45 pmSan Antonio
Jan 13
SAT1:08 pmSan Antonio
7h 57m
2 stops
SDF10:05 pmLouisville Intl
$197
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 December 4, 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

Mon 1/12

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Wed 1/21

6:30 am-1:00 pm

1 stop5h 30m

$184

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/8

10:44 am-4:45 pm

1 stop7h 01m

San Antonio

Tue 1/13

8:10 am-2:48 pm

1 stop5h 38m

$192

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 1/12

7:20 pm-11:58 pm

1 stop5h 38m

San Antonio

Wed 1/21

5:20 pm-11:19 pm

1 stop4h 59m

$193

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/8

10:44 am-3:45 pm

1 stop6h 01m

San Antonio

Tue 1/13

1:08 pm-10:05 pm

2 stops7h 57m

$197

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/22

5:35 am-12:24 pm

1 stop7h 49m

San Antonio

Mon 1/26

4:04 pm-9:59 pm

1 stop4h 55m

$215

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 1/12

6:54 pm-11:52 pm

3 stops29h 58m

San Antonio

Wed 1/21

6:30 am-1:00 pm

1 stop5h 30m

$217

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 1/12

3:30 pm-7:41 pm

1 stop5h 11m

San Antonio

Wed 1/21

7:40 am-5:37 pm

2 stops8h 57m

$220

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/22

11:50 am-5:40 pm

2 stops6h 50m

San Antonio

Mon 1/26

2:45 pm-10:10 pm

2 stops6h 25m

$225

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/8

6:00 am-3:45 pm

2 stops10h 45m

San Antonio

Tue 1/13

2:45 pm-10:10 pm

2 stops6h 25m

$238

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sat 2/14

7:51 am-2:18 pm

1 stop7h 27m

San Antonio

Fri 2/20

10:22 am-5:34 pm

1 stop6h 12m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $400 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 $310 on momondo.

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

As of December 2025, prices for Louisville to San Antonio flights are approximately 234% 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 41m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 41m
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 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 $94Free CancellationRating
6.3
8,157 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,011 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $309Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
United AirlinesPriceFrom $330Free CancellationRating
7.4
9,066 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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