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Cheap flights from Louisville to San Antonio from $154

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 4/29. 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.
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
$284Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Spirit Airlines Logo
6:06 pm - 11:59 pm
SDF
-
SAT
6h 53m
1 stop
Spirit Airlines Logo
6:07 am - 5:04 pm
SAT
-
SDF
9h 57m
1 stop
$298Spirit Airlines
Fri, May 15 - Mon, May 18
Spirit Airlines Logo
12:09 pm - 12:27 pm
SDF
-
SAT
25h 18m
1 stop
Spirit Airlines Logo
6:00 am - 5:04 pm
SAT
-
SDF
10h 04m
1 stop
$302Spirit 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
$317Multiple Airlines
Mon, Apr 13 - Sat, Apr 18
Spirit Airlines Logo
6:06 pm - 11:59 pm
SDF
-
SAT
6h 53m
1 stop
Spirit Airlines Logo
6:07 am - 5:04 pm
SAT
-
SDF
9h 57m
1 stop
$318Spirit Airlines
Sun, May 10 - Fri, May 15
United Airlines Logo
3:30 pm - 9:20 pm
SDF
-
SAT
6h 50m
1 stop
United Airlines Logo
6:49 am - 1:22 pm
SAT
-
SDF
5h 33m
1 stop
$321United Airlines
Wed, May 6 - Sat, May 9
Multiple Airlines Logo
7:48 pm - 12:27 pm
SDF
-
SAT
17h 39m
2 stops
Multiple Airlines Logo
6:00 am - 6:58 pm
SAT
-
SDF
11h 58m
1 stop
$324Multiple Airlines
Mon, Apr 13 - Fri, Apr 17
Southwest Logo
4:40 pm - 11:15 pm
SDF
-
SAT
7h 35m
2 stops
Southwest Logo
11:50 am - 5:45 pm
SAT
-
SDF
4h 55m
1 stop
$326Southwest
Wed, May 6 - Sat, May 9
Southwest Logo
7:00 am - 12:10 pm
SDF
-
SAT
6h 10m
2 stops
Southwest Logo
7:40 am - 4:15 pm
SAT
-
SDF
7h 35m
2 stops
$331Southwest
Wed, May 6 - Sat, May 9
American Airlines Logo
6:07 am - 9:36 am
SDF
-
SAT
4h 29m
1 stop
American Airlines Logo
5:42 pm - 12:25 am
SAT
-
SDF
5h 43m
1 stop
$335American Airlines
Thu, May 14 - Sat, May 16

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Apr 13
SDF4:45 pmLouisville Intl
6h 30m
1 stop
SAT10:15 pmSan Antonio
Apr 18
SAT7:40 amSan Antonio
7h 35m
2 stops
SDF4:15 pmLouisville Intl
$340
Southwest
Apr 13
SDF5:25 pmLouisville Intl
5h 35m
2 stops
SAT10:00 pmSan Antonio
Apr 18
SAT2:45 pmSan Antonio
7h 35m
2 stops
SDF11:20 pmLouisville Intl
$345
Southwest
May 13
SDF3:45 pmLouisville Intl
6h 55m
1 stop
SAT9:40 pmSan Antonio
May 17
SAT2:30 pmSan Antonio
8h 50m
2 stops
SDF12:20 amLouisville Intl
$362

Spirit Airlines flights from Louisville to San Antonio

Our best Spirit Airlines deals on Louisville to San Antonio flight tickets
Spirit Airlines
May 15
SDF6:06 pmLouisville Intl
6h 53m
1 stop
SAT11:59 pmSan Antonio
May 18
SAT6:07 amSan Antonio
9h 57m
1 stop
SDF5:04 pmLouisville Intl
$298
Spirit Airlines
Apr 13
SDF12:09 pmLouisville Intl
25h 18m
1 stop
SAT12:27 pmSan Antonio
Apr 17
SAT6:00 amSan Antonio
10h 04m
1 stop
SDF5:04 pmLouisville Intl
$302
Spirit Airlines
May 10
SDF6:06 pmLouisville Intl
6h 53m
1 stop
SAT11:59 pmSan Antonio
May 15
SAT6:07 amSan Antonio
9h 57m
1 stop
SDF5:04 pmLouisville Intl
$318

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 24, 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

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

$284

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 5/15

6:06 pm-11:59 pm

1 stop6h 53m

San Antonio

Mon 5/18

6:07 am-5:04 pm

1 stop9h 57m

$298

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

12:09 pm-12:27 pm

1 stop25h 18m

San Antonio

Fri 4/17

6:00 am-5:04 pm

1 stop10h 04m

$302

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

7:48 pm-9:27 am

1 stop14h 39m

San Antonio

Sat 4/18

6:00 am-5:04 pm

1 stop10h 04m

$317

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Sun 5/10

6:06 pm-11:59 pm

1 stop6h 53m

San Antonio

Fri 5/15

6:07 am-5:04 pm

1 stop9h 57m

$318

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/6

3:30 pm-9:20 pm

1 stop6h 50m

San Antonio

Sat 5/9

6:49 am-1:22 pm

1 stop5h 33m

$321

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 4/13

7:48 pm-12:27 pm

2 stops17h 39m

San Antonio

Fri 4/17

6:00 am-6:58 pm

1 stop11h 58m

$324

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/6

4:40 pm-11:15 pm

2 stops7h 35m

San Antonio

Sat 5/9

11:50 am-5:45 pm

1 stop4h 55m

$326

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 5/6

7:00 am-12:10 pm

2 stops6h 10m

San Antonio

Sat 5/9

7:40 am-4:15 pm

2 stops7h 35m

$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

5:42 pm-12:25 am

1 stop5h 43m

$335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 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 March 2026, prices for Louisville to San Antonio flights are approximately 102% 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

6h 05m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 6h 05m
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. 6h 05m 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
8,320 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,469 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.

An easier way to manage your San Antonio trip

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