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Cheap flights from Louisville to San Antonio from $146

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.
Southwest Logo
6:25 am - 1:55 pmSDF  Louisville Intl-SAT San Antonio
8h 30m1 stop Las Vegas Harry Reid Intl
Southwest Logo
2:50 pm - 8:00 pmSAT  San Antonio-SDF Louisville Intl
4h 10m1 stop Nashville Intl
$255Southwest
Wed, Oct 21 - Sat, Oct 24
Southwest Logo
10:40 am - 6:25 pmSDF  Louisville Intl-SAT San Antonio
8h 45m2 stops Denver Intl Kansas City
Southwest Logo
2:50 pm - 8:00 pmSAT  San Antonio-SDF Louisville Intl
4h 10m1 stop Nashville Intl
$260Southwest
Wed, Oct 21 - Sat, Oct 24
Delta Logo
11:06 am - 3:24 pmSDF  Louisville Intl-SAT San Antonio
5h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:20 pm - 11:59 pmSAT  San Antonio-SDF Louisville Intl
4h 39m1 stop Atlanta Hartsfield-Jackson
$291Delta
Tue, Oct 27 - Thu, Oct 29
American Airlines Logo
7:27 pm - 11:59 pmSDF  Louisville Intl-SAT San Antonio
5h 32m1 stop Dallas/Fort Worth
American Airlines Logo
6:05 am - 2:51 pmSAT  San Antonio-SDF Louisville Intl
7h 46m1 stop Charlotte Douglas
$307American Airlines
Wed, Oct 14 - Wed, Oct 21
American Airlines Logo
3:36 pm - 8:24 pmSDF  Louisville Intl-SAT San Antonio
5h 48m1 stop Charlotte Douglas
American Airlines Logo
5:43 pm - 11:27 pmSAT  San Antonio-SDF Louisville Intl
4h 44m1 stop Dallas/Fort Worth
$307American Airlines
Wed, Oct 21 - Mon, Oct 26
Delta Logo
1:04 pm - 7:59 pmSDF  Louisville Intl-SAT San Antonio
7h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:16 am - 2:17 pmSAT  San Antonio-SDF Louisville Intl
7h 01m1 stop Atlanta Hartsfield-Jackson
$307Delta
Mon, Dec 14 - Tue, Dec 15
United Airlines Logo
3:37 pm - 9:31 pmSDF  Louisville Intl-SAT San Antonio
6h 54m1 stop Houston George Bush Intcntl
United Airlines Logo
4:19 pm - 9:58 pmSAT  San Antonio-SDF Louisville Intl
4h 39m1 stop Houston George Bush Intcntl
$307United Airlines
Wed, Oct 21 - Tue, Oct 27
United Airlines Logo
3:20 pm - 8:40 pmSDF  Louisville Intl-SAT San Antonio
6h 20m1 stop Denver Intl
United Airlines Logo
6:45 am - 1:18 pmSAT  San Antonio-SDF Louisville Intl
5h 33m1 stop Chicago O'Hare Intl
$307United Airlines
Fri, Dec 25 - Wed, Dec 30
Multiple Airlines Logo
9:11 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
12h 34m1 stop Raleigh-Durham
Multiple Airlines Logo
8:21 pm - 8:31 pmSAT  San Antonio-SDF Louisville Intl
23h 10m2 stops Denver Intl Raleigh-Durham
$407Multiple Airlines
Wed, Oct 7 - Tue, Oct 13
Multiple Airlines Logo
9:11 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
12h 34m1 stop Raleigh-Durham
Multiple Airlines Logo
8:20 pm - 8:31 pmSAT  San Antonio-SDF Louisville Intl
23h 11m2 stops Denver Intl Raleigh-Durham
$469Multiple Airlines
Sat, Oct 3 - Tue, Oct 6

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Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Oct 21
SDF6:25 amLouisville Intl
8h 30m
1 stop
SAT1:55 pmSan Antonio
Oct 24
SAT2:50 pmSan Antonio
4h 10m
1 stop
SDF8:00 pmLouisville Intl
$255
Southwest
Oct 21
SDF10:40 amLouisville Intl
8h 45m
2 stops
SAT6:25 pmSan Antonio
Oct 24
SAT2:50 pmSan Antonio
4h 10m
1 stop
SDF8:00 pmLouisville Intl
$260
Southwest
Dec 3
SDF7:35 pmLouisville Intl
5h 10m
1 stop
SAT11:45 pmSan Antonio
Dec 5
SAT2:20 pmSan Antonio
7h 00m
1 stop
SDF10:20 pmLouisville Intl
$273

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Oct 21
SDF9:04 amLouisville Intl
7h 49m
2 stops
SAT3:53 pmSan Antonio
Oct 27
SAT4:19 pmSan Antonio
4h 39m
1 stop
SDF9:58 pmLouisville Intl
$312
United Airlines
Nov 10
SDF6:00 amLouisville Intl
10h 13m
1 stop
SAT3:13 pmSan Antonio
Nov 11
SAT1:52 pmSan Antonio
7h 32m
1 stop
SDF10:24 pmLouisville Intl
$391
United Airlines
Nov 10
SDF11:17 amLouisville Intl
12h 34m
2 stops
SAT10:51 pmSan Antonio
Nov 11
SAT1:52 pmSan Antonio
7h 32m
1 stop
SDF10:24 pmLouisville Intl
$396

momondo Fare Finder

 
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

Wed 10/21

6:25 am-1:55 pm

1 stop8h 30m

San Antonio

Sat 10/24

2:50 pm-8:00 pm

1 stop4h 10m

$255

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

10:40 am-6:25 pm

2 stops8h 45m

San Antonio

Sat 10/24

2:50 pm-8:00 pm

1 stop4h 10m

$260
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 10/27

11:06 am-3:24 pm

1 stop5h 18m

San Antonio

Thu 10/29

6:20 pm-11:59 pm

1 stop4h 39m

$291

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/14

7:27 pm-11:59 pm

1 stop5h 32m

San Antonio

Wed 10/21

6:05 am-2:51 pm

1 stop7h 46m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

3:36 pm-8:24 pm

1 stop5h 48m

San Antonio

Mon 10/26

5:43 pm-11:27 pm

1 stop4h 44m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 12/14

1:04 pm-7:59 pm

1 stop7h 55m

San Antonio

Tue 12/15

6:16 am-2:17 pm

1 stop7h 01m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

3:37 pm-9:31 pm

1 stop6h 54m

San Antonio

Tue 10/27

4:19 pm-9:58 pm

1 stop4h 39m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Fri 12/25

3:20 pm-8:40 pm

1 stop6h 20m

San Antonio

Wed 12/30

6:45 am-1:18 pm

1 stop5h 33m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/7

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Tue 10/13

8:21 pm-8:31 pm

2 stops23h 10m

$407

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/3

9:11 pm-8:45 am

1 stop12h 34m

San Antonio

Tue 10/6

8:20 pm-8:31 pm

2 stops23h 11m

$469

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 $358 to $456.
The lowest price recently found on this route was $255.

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 $411 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 $357 on momondo.

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

As of September 2026, prices for Louisville to San Antonio flights are approximately 140% 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

Best Price Found

$146

Fastest flight time

4h 31m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $146. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $255.
The fastest flight from Louisville to San Antonio takes 4h 31m
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. 4h 31m 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 $281Free CancellationRating
7.8
8,595 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.0
12,082 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,225 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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