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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 7/14. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:48 am - 12:50 pm
SDF
-
SAT
7h 02m
1 stop
American Airlines Logo
5:01 am - 10:39 am
SAT
-
SDF
4h 38m
1 stop
$307American Airlines
Tue, Jul 14 - Wed, Jul 22
American Airlines Logo
8:55 am - 1:07 pm
SDF
-
SAT
5h 12m
1 stop
American Airlines Logo
5:30 pm - 11:06 pm
SAT
-
SDF
4h 36m
1 stop
$324American Airlines
Wed, Oct 21 - Mon, Oct 26
Southwest Logo
4:15 pm - 10:25 pm
SDF
-
SAT
7h 10m
2 stops
Southwest Logo
9:30 am - 5:20 pm
SAT
-
SDF
6h 50m
1 stop
$329Southwest
Wed, Jul 29 - Thu, Aug 6
Southwest Logo
6:05 am - 12:45 pm
SDF
-
SAT
7h 40m
2 stops
Southwest Logo
7:10 am - 3:30 pm
SAT
-
SDF
7h 20m
2 stops
$334Southwest
Wed, Jul 29 - Thu, Aug 6
Southwest Logo
7:55 am - 12:50 pm
SDF
-
SAT
5h 55m
1 stop
Southwest Logo
11:10 am - 6:30 pm
SAT
-
SDF
6h 20m
1 stop
$341Southwest
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
7:25 am - 10:20 am
SDF
-
SAT
3h 55m
1 stop
Southwest Logo
11:00 am - 6:35 pm
SAT
-
SDF
6h 35m
1 stop
$344Southwest
Tue, Jul 14 - Sat, Jul 18
Southwest Logo
6:45 am - 10:30 am
SDF
-
SAT
4h 45m
1 stop
Southwest Logo
7:10 am - 3:30 pm
SAT
-
SDF
7h 20m
2 stops
$346Southwest
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
7:25 am - 10:20 am
SDF
-
SAT
3h 55m
1 stop
Southwest Logo
5:50 am - 1:40 pm
SAT
-
SDF
6h 50m
2 stops
$349Southwest
Tue, Jul 14 - Sat, Jul 18
Southwest Logo
3:20 pm - 9:35 pm
SDF
-
SAT
7h 15m
2 stops
Southwest Logo
7:10 am - 3:30 pm
SAT
-
SDF
7h 20m
2 stops
$351Southwest
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
6:05 am - 12:45 pm
SDF
-
SAT
7h 40m
2 stops
Southwest Logo
5:50 am - 1:40 pm
SAT
-
SDF
6h 50m
2 stops
$354Southwest
Tue, Jul 14 - Sat, Jul 18

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Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Jul 29
SDF4:15 pmLouisville Intl
7h 10m
2 stops
SAT10:25 pmSan Antonio
Aug 6
SAT9:30 amSan Antonio
6h 50m
1 stop
SDF5:20 pmLouisville Intl
$329
Southwest
Jul 29
SDF6:05 amLouisville Intl
7h 40m
2 stops
SAT12:45 pmSan Antonio
Aug 6
SAT7:10 amSan Antonio
7h 20m
2 stops
SDF3:30 pmLouisville Intl
$334
Southwest
Sep 3
SDF7:55 amLouisville Intl
5h 55m
1 stop
SAT12:50 pmSan Antonio
Sep 7
SAT11:10 amSan Antonio
6h 20m
1 stop
SDF6:30 pmLouisville Intl
$341

Breeze Airways flights from Louisville to San Antonio

Our best Breeze Airways deals on Louisville to San Antonio flight tickets
Breeze Airways
Jul 1
SDF8:06 pmLouisville Intl
14h 09m
1 stop
SAT9:15 amSan Antonio
Jul 10
SAT11:30 amSan Antonio
20h 06m
2 stops
SDF8:36 amLouisville Intl
$398
Breeze Airways
Jul 1
SDF8:06 pmLouisville Intl
14h 09m
1 stop
SAT9:15 amSan Antonio
Jul 17
SAT11:30 amSan Antonio
20h 06m
2 stops
SDF8:36 amLouisville Intl
$439
Breeze Airways
Jun 28
SDF6:55 pmLouisville Intl
16h 55m
3 stops
SAT10:50 amSan Antonio
Jul 3
SAT11:30 amSan Antonio
20h 06m
2 stops
SDF8:36 amLouisville Intl
$901

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 June 18, 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

Tue 7/14

6:48 am-12:50 pm

1 stop7h 02m

San Antonio

Wed 7/22

5:01 am-10:39 am

1 stop4h 38m

$307
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 10/21

8:55 am-1:07 pm

1 stop5h 12m

San Antonio

Mon 10/26

5:30 pm-11:06 pm

1 stop4h 36m

$324

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 7/29

4:15 pm-10:25 pm

2 stops7h 10m

San Antonio

Thu 8/6

9:30 am-5:20 pm

1 stop6h 50m

$329

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 7/29

6:05 am-12:45 pm

2 stops7h 40m

San Antonio

Thu 8/6

7:10 am-3:30 pm

2 stops7h 20m

$334

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 9/3

7:55 am-12:50 pm

1 stop5h 55m

San Antonio

Mon 9/7

11:10 am-6:30 pm

1 stop6h 20m

$341

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 7/14

7:25 am-10:20 am

1 stop3h 55m

San Antonio

Sat 7/18

11:00 am-6:35 pm

1 stop6h 35m

$344

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 9/3

6:45 am-10:30 am

1 stop4h 45m

San Antonio

Mon 9/7

7:10 am-3:30 pm

2 stops7h 20m

$346

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 7/14

7:25 am-10:20 am

1 stop3h 55m

San Antonio

Sat 7/18

5:50 am-1:40 pm

2 stops6h 50m

$349

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 9/3

3:20 pm-9:35 pm

2 stops7h 15m

San Antonio

Mon 9/7

7:10 am-3:30 pm

2 stops7h 20m

$351

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 7/14

6:05 am-12:45 pm

2 stops7h 40m

San Antonio

Sat 7/18

5:50 am-1:40 pm

2 stops6h 50m

$354

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 typical price of a round-trip flight between Louisville and San Antonio?

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 have Louisville to San Antonio flight prices changed over time?

As of June 2026, prices for Louisville to San Antonio flights are approximately 49% 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

5h 01m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 5h 01m
There are no direct flights from Louisville to San Antonio. There are no popular flight routes from Louisville to San Antonio.
Search flight deals

Frequently asked questions about flying from Louisville to San Antonio

  • How far is Louisville Intl to San Antonio by plane?

    A flight from Louisville Intl to San Antonio will travel around 949.7 mi. 5h 01m 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 $127Free CancellationRating
7.8
8,410 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.1
11,685 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
7.9
4,237 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,859 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
Pleasanton
Boerne
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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