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Cheap flights from Louisville to San Antonio from $163

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 9/24. 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.
Breeze Airways Logo
8:46 pm - 9:15 amSDF  Louisville Intl-SAT San Antonio
13h 29m1 stop Raleigh-Durham
Breeze Airways Logo
5:38 pm - 10:32 amSAT  San Antonio-SDF Louisville Intl
15h 54m2 stops Pensacola Tampa
$268Breeze Airways
Sat, Aug 29 - Sat, Sep 5
Delta Logo
1:21 pm - 6:46 pmSDF  Louisville Intl-SAT San Antonio
6h 25m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:45 pm - 12:09 amSAT  San Antonio-SDF Louisville Intl
5h 24m1 stop Atlanta Hartsfield-Jackson
$271Delta
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:00 am - 9:48 amSDF  Louisville Intl-SAT San Antonio
4h 48m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:20 am - 12:36 pmSAT  San Antonio-SDF Louisville Intl
6h 16m1 stop Atlanta Hartsfield-Jackson
$271Delta
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
2:55 pm - 8:15 pmSDF  Louisville Intl-SAT San Antonio
6h 20m1 stop Denver Intl
Southwest Logo
9:45 am - 5:25 pmSAT  San Antonio-SDF Louisville Intl
6h 40m2 stops Dallas Love Field Chicago Midway
$276Southwest
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
6:45 am - 11:40 amSDF  Louisville Intl-SAT San Antonio
5h 55m2 stops Nashville Intl Houston Hobby
Southwest Logo
9:45 am - 5:15 pmSAT  San Antonio-SDF Louisville Intl
6h 30m2 stops Dallas Love Field Nashville Intl
$281Southwest
Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
5:15 am - 11:52 amSDF  Louisville Intl-SAT San Antonio
7h 37m1 stop Chicago O'Hare Intl
United Airlines Logo
4:12 pm - 10:15 pmSAT  San Antonio-SDF Louisville Intl
5h 03m1 stop Houston George Bush Intcntl
$298United Airlines
Thu, Sep 3 - Sat, Sep 5
United Airlines Logo
5:45 pm - 10:51 pmSDF  Louisville Intl-SAT San Antonio
6h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
6:30 am - 1:11 pmSAT  San Antonio-SDF Louisville Intl
5h 41m1 stop Chicago O'Hare Intl
$298United Airlines
Sat, Sep 5 - Mon, Sep 7
American Airlines Logo
6:00 am - 10:53 amSDF  Louisville Intl-SAT San Antonio
5h 53m1 stop Dallas/Fort Worth
American Airlines Logo
5:43 pm - 11:27 pmSAT  San Antonio-SDF Louisville Intl
4h 44m1 stop Dallas/Fort Worth
$325American Airlines
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
7:30 pm - 11:59 pmSDF  Louisville Intl-SAT San Antonio
5h 29m1 stop Dallas/Fort Worth
American Airlines Logo
8:55 am - 5:59 pmSAT  San Antonio-SDF Louisville Intl
8h 04m1 stop Charlotte Douglas
$325American Airlines
Thu, Sep 3 - Tue, Sep 8
Breeze Airways Logo
7:06 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
14h 39m1 stop Raleigh-Durham
Breeze Airways Logo
12:38 pm - 10:11 amSAT  San Antonio-SDF Louisville Intl
20h 33m2 stops Memphis Raleigh-Durham
$349Breeze Airways
Wed, Sep 23 - Fri, Sep 25

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Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Aug 22
SDF2:55 pmLouisville Intl
6h 20m
1 stop
SAT8:15 pmSan Antonio
Aug 29
SAT9:45 amSan Antonio
6h 40m
2 stops
SDF5:25 pmLouisville Intl
$276
Southwest
Aug 22
SDF6:45 amLouisville Intl
5h 55m
2 stops
SAT11:40 amSan Antonio
Aug 29
SAT9:45 amSan Antonio
6h 30m
2 stops
SDF5:15 pmLouisville Intl
$281
Southwest
Aug 27
SDF11:05 amLouisville Intl
9h 15m
1 stop
SAT7:20 pmSan Antonio
Aug 29
SAT5:40 amSan Antonio
7h 35m
2 stops
SDF2:15 pmLouisville Intl
$303

Breeze Airways flights from Louisville to San Antonio

Our best Breeze Airways deals on Louisville to San Antonio flight tickets
Breeze Airways
Aug 29
SDF8:46 pmLouisville Intl
13h 29m
1 stop
SAT9:15 amSan Antonio
Sep 5
SAT5:38 pmSan Antonio
15h 54m
2 stops
SDF10:32 amLouisville Intl
$268
Breeze Airways
Sep 26
SDF10:56 amLouisville Intl
22h 49m
1 stop
SAT8:45 amSan Antonio
Oct 1
SAT9:25 amSan Antonio
10h 04m
2 stops
SDF8:29 pmLouisville Intl
$383
Breeze Airways
Sep 23
SDF7:06 pmLouisville Intl
14h 39m
1 stop
SAT8:45 amSan Antonio
Oct 1
SAT9:25 amSan Antonio
10h 04m
2 stops
SDF8:29 pmLouisville Intl
$411

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 9, 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 Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/29

8:46 pm-9:15 am

1 stop13h 29m

San Antonio

Sat 9/5

5:38 pm-10:32 am

2 stops15h 54m

$268

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/29

1:21 pm-6:46 pm

1 stop6h 25m

San Antonio

Sat 9/5

5:45 pm-12:09 am

1 stop5h 24m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/22

6:00 am-9:48 am

1 stop4h 48m

San Antonio

Sat 8/29

5:20 am-12:36 pm

1 stop6h 16m

$271

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/22

2:55 pm-8:15 pm

1 stop6h 20m

San Antonio

Sat 8/29

9:45 am-5:25 pm

2 stops6h 40m

$276

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 8/22

6:45 am-11:40 am

2 stops5h 55m

San Antonio

Sat 8/29

9:45 am-5:15 pm

2 stops6h 30m

$281

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 9/3

5:15 am-11:52 am

1 stop7h 37m

San Antonio

Sat 9/5

4:12 pm-10:15 pm

1 stop5h 03m

$298

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 9/5

5:45 pm-10:51 pm

1 stop6h 06m

San Antonio

Mon 9/7

6:30 am-1:11 pm

1 stop5h 41m

$298
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 10/22

6:00 am-10:53 am

1 stop5h 53m

San Antonio

Mon 10/26

5:43 pm-11:27 pm

1 stop4h 44m

$325

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 9/3

7:30 pm-11:59 pm

1 stop5h 29m

San Antonio

Tue 9/8

8:55 am-5:59 pm

1 stop8h 04m

$325

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 9/23

7:06 pm-8:45 am

1 stop14h 39m

San Antonio

Fri 9/25

12:38 pm-10:11 am

2 stops20h 33m

$349

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?

Prices are currently low for flights on this route.

Typical prices usually range from $356 to $466.
The lowest price recently found on this route was $268.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Louisville during December instead. Flights to San Antonio in December, while not as cheap as those in February, still average around $367.

How far in advance should I book a flight from Louisville 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 $416 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 $335 on momondo.

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

As of August 2026, prices for Louisville to San Antonio flights are approximately 72% 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 18m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 18m
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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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. 4h 18m 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
8,496 reviews
Search Delta flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,892 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,216 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,089 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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