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Cheap flights from Louisville to San Antonio from $149

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.
United Airlines Logo
3:24 pm - 8:53 pmSDF  Louisville Intl-SAT San Antonio
6h 29m1 stop Denver Intl
United Airlines Logo
6:37 am - 1:35 pmSAT  San Antonio-SDF Louisville Intl
5h 58m1 stop Chicago O'Hare Intl
$292United Airlines
Mon, Nov 16 - Tue, Nov 17
American Airlines Logo
3:36 pm - 10:56 pmSDF  Louisville Intl-SAT San Antonio
8h 20m1 stop Charlotte Douglas
American Airlines Logo
6:00 pm - 12:08 amSAT  San Antonio-SDF Louisville Intl
5h 08m1 stop Charlotte Douglas
$297American Airlines
Wed, Oct 21 - Mon, Oct 26
Southwest Logo
6:50 am - 2:05 pmSDF  Louisville Intl-SAT San Antonio
8h 15m1 stop Denver Intl
Southwest Logo
6:35 am - 3:15 pmSAT  San Antonio-SDF Louisville Intl
7h 40m1 stop Phoenix Sky Harbor Intl
$297Southwest
Thu, Dec 10 - Sat, Dec 12
Southwest Logo
7:35 pm - 11:40 pmSDF  Louisville Intl-SAT San Antonio
5h 05m1 stop Chicago Midway
Southwest Logo
5:15 am - 12:30 pmSAT  San Antonio-SDF Louisville Intl
6h 15m1 stop Baltimore/Washington
$297Southwest
Mon, Nov 16 - Mon, Nov 23
Delta Logo
6:00 am - 9:54 amSDF  Louisville Intl-SAT San Antonio
4h 54m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:54 am - 4:53 pmSAT  San Antonio-SDF Louisville Intl
4h 59m1 stop Atlanta Hartsfield-Jackson
$297Delta
Thu, Nov 12 - Thu, Dec 3
Delta Logo
5:57 pm - 12:33 amSDF  Louisville Intl-SAT San Antonio
7h 36m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:30 am - 12:54 pmSAT  San Antonio-SDF Louisville Intl
6h 24m1 stop Atlanta Hartsfield-Jackson
$297Delta
Wed, Oct 21 - Mon, Oct 26
United Airlines Logo
6:16 pm - 10:50 pmSDF  Louisville Intl-SAT San Antonio
5h 34m1 stop Chicago O'Hare Intl
United Airlines Logo
4:17 pm - 10:10 pmSAT  San Antonio-SDF Louisville Intl
4h 53m1 stop Houston George Bush Intcntl
$297United Airlines
Sat, Oct 10 - Wed, Oct 14
American Airlines Logo
4:42 pm - 11:02 pmSDF  Louisville Intl-SAT San Antonio
7h 20m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 12:42 pmSAT  San Antonio-SDF Louisville Intl
4h 42m1 stop Dallas/Fort Worth
$297American Airlines
Thu, Nov 19 - Sat, Dec 5
Multiple Airlines Logo
10:56 am - 8:45 amSDF  Louisville Intl-SAT San Antonio
22h 49m1 stop Raleigh-Durham
Multiple Airlines Logo
8:20 pm - 3:28 pmSAT  San Antonio-SDF Louisville Intl
42h 08m2 stops Denver Intl Valparaiso Destin-Ft Walton Beach
$377Multiple Airlines
Wed, Sep 16 - Wed, Sep 23
Multiple Airlines Logo
5:12 pm - 8:45 amSDF  Louisville Intl-SAT San Antonio
16h 33m1 stop Raleigh-Durham
Multiple Airlines Logo
9:07 pm - 4:32 pmSAT  San Antonio-SDF Louisville Intl
42h 25m2 stops Orlando Raleigh-Durham
$377Multiple Airlines
Wed, Dec 9 - Mon, Dec 14

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United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Nov 16
SDF3:24 pmLouisville Intl
6h 29m
1 stop
SAT8:53 pmSan Antonio
Nov 17
SAT6:37 amSan Antonio
5h 58m
1 stop
SDF1:35 pmLouisville Intl
$292
United Airlines
Oct 10
SDF6:16 pmLouisville Intl
5h 34m
1 stop
SAT10:50 pmSan Antonio
Oct 14
SAT4:17 pmSan Antonio
4h 53m
1 stop
SDF10:10 pmLouisville Intl
$297
United Airlines
Nov 10
SDF3:24 pmLouisville Intl
6h 29m
1 stop
SAT8:53 pmSan Antonio
Nov 11
SAT5:30 amSan Antonio
6h 53m
1 stop
SDF1:23 pmLouisville Intl
$377

Southwest flights from Louisville to San Antonio

Our best Southwest deals on Louisville to San Antonio flight tickets
Southwest
Dec 10
SDF2:05 pmLouisville Intl
7h 30m
2 stops
SAT8:35 pmSan Antonio
Dec 12
SAT12:05 pmSan Antonio
4h 45m
1 stop
SDF5:50 pmLouisville Intl
$302
Southwest
Dec 10
SDF2:05 pmLouisville Intl
7h 30m
2 stops
SAT8:35 pmSan Antonio
Dec 12
SAT9:00 amSan Antonio
7h 50m
2 stops
SDF5:50 pmLouisville Intl
$307
Southwest
Nov 23
SDF1:05 pmLouisville Intl
8h 30m
1 stop
SAT8:35 pmSan Antonio
Nov 27
SAT7:20 amSan Antonio
7h 45m
2 stops
SDF4:05 pmLouisville Intl
$316

momondo Fare Finder

 
Use the filters below to find and compare flights from Louisville to San Antonio that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 11/16

3:24 pm-8:53 pm

1 stop6h 29m

San Antonio

Tue 11/17

6:37 am-1:35 pm

1 stop5h 58m

$292

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

3:36 pm-10:56 pm

1 stop8h 20m

San Antonio

Mon 10/26

6:00 pm-12:08 am

1 stop5h 08m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 12/10

6:50 am-2:05 pm

1 stop8h 15m

San Antonio

Sat 12/12

6:35 am-3:15 pm

1 stop7h 40m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 11/16

7:35 pm-11:40 pm

1 stop5h 05m

San Antonio

Mon 11/23

5:15 am-12:30 pm

1 stop6h 15m

$297
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/12

6:00 am-9:54 am

1 stop4h 54m

San Antonio

Thu 12/3

10:54 am-4:53 pm

1 stop4h 59m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 10/21

5:57 pm-12:33 am

1 stop7h 36m

San Antonio

Mon 10/26

5:30 am-12:54 pm

1 stop6h 24m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 10/10

6:16 pm-10:50 pm

1 stop5h 34m

San Antonio

Wed 10/14

4:17 pm-10:10 pm

1 stop4h 53m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 11/19

4:42 pm-11:02 pm

1 stop7h 20m

San Antonio

Sat 12/5

7:00 am-12:42 pm

1 stop4h 42m

$297

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 9/16

10:56 am-8:45 am

1 stop22h 49m

San Antonio

Wed 9/23

8:20 pm-3:28 pm

2 stops42h 08m

$377

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/9

5:12 pm-8:45 am

1 stop16h 33m

San Antonio

Mon 12/14

9:07 pm-4:32 pm

2 stops42h 25m

$377

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 $376 to $436.
The lowest price recently found on this route was $292.

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 $412 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

$149

Fastest flight time

4h 30m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $149. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $292.
The fastest flight from Louisville to San Antonio takes 4h 30m
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 30m 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
8,573 reviews
Search Delta flights
American AirlinesPriceFrom $289Free CancellationRating
7.1
12,044 reviews
Search American Airlines flights
SouthwestPriceFrom $296Free CancellationRating
8.0
4,200 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
10,171 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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