Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to San Antonio from $125

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 8/8. 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
6:30 pm - 12:48 am
SDF
-
SAT
7h 18m
1 stop
American Airlines Logo
5:00 am - 10:39 am
SAT
-
SDF
4h 39m
1 stop
$248American Airlines
Mon, Aug 24 - Mon, Aug 31
Delta Logo
5:50 pm - 12:28 am
SDF
-
SAT
7h 38m
1 stop
Delta Logo
7:55 am - 2:18 pm
SAT
-
SDF
5h 23m
1 stop
$249Delta
Thu, Aug 20 - Tue, Aug 25
Southwest Logo
5:30 am - 11:00 am
SDF
-
SAT
6h 30m
1 stop
Southwest Logo
5:40 am - 2:15 pm
SAT
-
SDF
7h 35m
2 stops
$254Southwest
Wed, Aug 5 - Sat, Aug 8
Southwest Logo
7:55 am - 2:45 pm
SDF
-
SAT
7h 50m
2 stops
Southwest Logo
6:00 am - 1:05 pm
SAT
-
SDF
6h 05m
2 stops
$259Southwest
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
6:00 am - 10:59 am
SDF
-
SAT
5h 59m
1 stop
United Airlines Logo
12:55 pm - 7:07 pm
SAT
-
SDF
5h 12m
1 stop
$271United Airlines
Thu, Aug 13 - Wed, Aug 19
American Airlines Logo
7:27 pm - 12:11 am
SDF
-
SAT
5h 44m
1 stop
American Airlines Logo
5:43 pm - 11:31 pm
SAT
-
SDF
4h 48m
1 stop
$274American Airlines
Wed, Oct 21 - Mon, Oct 26
Southwest Logo
11:50 am - 6:10 pm
SDF
-
SAT
7h 20m
1 stop
Southwest Logo
7:35 am - 4:20 pm
SAT
-
SDF
7h 45m
2 stops
$276Southwest
Thu, Aug 13 - Wed, Aug 19
Southwest Logo
1:45 pm - 7:00 pm
SDF
-
SAT
6h 15m
2 stops
Southwest Logo
12:55 pm - 8:35 pm
SAT
-
SDF
6h 40m
2 stops
$281Southwest
Thu, Aug 13 - Wed, Aug 19
Southwest Logo
4:00 pm - 11:05 pm
SDF
-
SAT
8h 05m
1 stop
Southwest Logo
11:30 am - 8:35 pm
SAT
-
SDF
8h 05m
2 stops
$282Southwest
Tue, Aug 4 - Wed, Aug 5
American Airlines Logo
7:27 pm - 12:11 am
SDF
-
SAT
5h 44m
1 stop
American Airlines Logo
5:43 pm - 11:31 pm
SAT
-
SDF
4h 48m
1 stop
$293American Airlines
Wed, Oct 21 - Mon, Oct 26

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Louisville to San Antonio

Our best United Airlines deals on Louisville to San Antonio flight tickets
United Airlines
Aug 13
SDF6:00 amLouisville Intl
5h 59m
1 stop
SAT10:59 amSan Antonio
Aug 19
SAT12:55 pmSan Antonio
5h 12m
1 stop
SDF7:07 pmLouisville Intl
$271
United Airlines
Aug 15
SDF3:25 pmLouisville Intl
6h 27m
1 stop
SAT8:52 pmSan Antonio
Aug 18
SAT1:45 pmSan Antonio
7h 46m
1 stop
SDF10:31 pmLouisville Intl
$329
United Airlines
Aug 15
SDF9:00 amLouisville Intl
8h 31m
1 stop
SAT4:31 pmSan Antonio
Aug 18
SAT9:30 amSan Antonio
10h 06m
2 stops
SDF8:36 pmLouisville Intl
$334

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Aug 24
SDF6:30 pmLouisville Intl
7h 18m
1 stop
SAT12:48 amSan Antonio
Aug 31
SAT5:00 amSan Antonio
4h 39m
1 stop
SDF10:39 amLouisville Intl
$248
American Airlines
Oct 21
SDF7:27 pmLouisville Intl
5h 44m
1 stop
SAT12:11 amSan Antonio
Oct 26
SAT5:43 pmSan Antonio
4h 48m
1 stop
SDF11:31 pmLouisville Intl
$274
American Airlines
Oct 21
SDF7:27 pmLouisville Intl
5h 44m
1 stop
SAT12:11 amSan Antonio
Oct 26
SAT5:43 pmSan Antonio
4h 48m
1 stop
SDF11:31 pmLouisville Intl
$293

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 July 14, 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 8/24

6:30 pm-12:48 am

1 stop7h 18m

San Antonio

Mon 8/31

5:00 am-10:39 am

1 stop4h 39m

$248

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/20

5:50 pm-12:28 am

1 stop7h 38m

San Antonio

Tue 8/25

7:55 am-2:18 pm

1 stop5h 23m

$249

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 8/5

5:30 am-11:00 am

1 stop6h 30m

San Antonio

Sat 8/8

5:40 am-2:15 pm

2 stops7h 35m

$254

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Mon 8/24

7:55 am-2:45 pm

2 stops7h 50m

San Antonio

Mon 8/31

6:00 am-1:05 pm

2 stops6h 05m

$259

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

6:00 am-10:59 am

1 stop5h 59m

San Antonio

Wed 8/19

12:55 pm-7:07 pm

1 stop5h 12m

$271
Quickest round-trip

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 10/21

7:27 pm-12:11 am

1 stop5h 44m

San Antonio

Mon 10/26

5:43 pm-11:31 pm

1 stop4h 48m

$274

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

11:50 am-6:10 pm

1 stop7h 20m

San Antonio

Wed 8/19

7:35 am-4:20 pm

2 stops7h 45m

$276

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 8/13

1:45 pm-7:00 pm

2 stops6h 15m

San Antonio

Wed 8/19

12:55 pm-8:35 pm

2 stops6h 40m

$281

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Tue 8/4

4:00 pm-11:05 pm

1 stop8h 05m

San Antonio

Wed 8/5

11:30 am-8:35 pm

2 stops8h 05m

$282

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 10/21

7:27 pm-12:11 am

1 stop5h 44m

San Antonio

Mon 10/26

5:43 pm-11:31 pm

1 stop4h 48m

$293

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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 February, then book flights to San Antonio from Louisville during August instead. Flights to San Antonio in August, while not as cheap as those in February, still average around $356.

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 $418 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 $319 on momondo.

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

As of July 2026, prices for Louisville to San Antonio flights are approximately 199% 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.
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 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
8,465 reviews
Search Delta flights
American AirlinesPriceFrom $242Free CancellationRating
7.1
11,808 reviews
Search American Airlines flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $319Free CancellationRating
7.4
9,988 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.

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/13
Thu 8/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States