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Cheap flights from Louisville to San Antonio from $109

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 1/28. 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
0 bags

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Find the cheapest flights from Louisville to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:55 pm - 8:14 amSDF-SAT
19h 19m1 stop
Multiple Airlines Logo
10:35 am - 2:33 pmSAT-SDF
26h 58m1 stop
$197Multiple Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 17
Spirit Airlines Logo
1:55 pm - 11:52 pmSDF-SAT
10h 57m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pmSAT-SDF
5h 30m1 stop
$202Spirit Airlines
Find Deal
Wed, Jan 21 - Fri, Jan 23
Spirit Airlines Logo
1:55 pm - 11:52 pmSDF-SAT
10h 57m1 stop
Spirit Airlines Logo
6:30 am - 1:00 pmSAT-SDF
29h 30m1 stop
$212Spirit Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 13
Multiple Airlines Logo
1:55 pm - 11:52 pmSDF-SAT
10h 57m1 stop
Multiple Airlines Logo
8:00 pm - 2:33 pmSAT-SDF
17h 33m2 stops
$219Multiple Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
3:28 pm - 9:40 amSDF-SAT
19h 12m1 stop
Multiple Airlines Logo
8:00 pm - 2:33 pmSAT-SDF
17h 33m2 stops
$225Multiple Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Spirit Airlines Logo
3:28 pm - 9:40 amSDF-SAT
19h 12m1 stop
Spirit Airlines Logo
10:35 am - 2:33 pmSAT-SDF
26h 58m1 stop
$226Spirit Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 17
Multiple Airlines Logo
6:54 pm - 9:40 amSDF-SAT
15h 46m1 stop
Multiple Airlines Logo
6:30 am - 1:00 pmSAT-SDF
29h 30m1 stop
$233Multiple Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
1:55 pm - 11:52 pmSDF-SAT
10h 57m1 stop
Multiple Airlines Logo
8:59 am - 1:00 pmSAT-SDF
27h 01m1 stop
$235Multiple Airlines
Find Deal
Fri, Jan 9 - Sun, Jan 18
Multiple Airlines Logo
1:55 pm - 8:14 amSDF-SAT
19h 19m1 stop
Multiple Airlines Logo
3:57 pm - 1:00 pmSAT-SDF
20h 03m2 stops
$238Multiple Airlines
Find Deal
Wed, Jan 14 - Sun, Jan 18
Multiple Airlines Logo
1:55 pm - 9:40 amSDF-SAT
20h 45m2 stops
Multiple Airlines Logo
10:35 am - 6:04 pmSAT-SDF
6h 29m1 stop
$239Multiple Airlines
Find Deal
Wed, Jan 21 - Fri, Jan 23

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Jan 13
SDF6:00 amLouisville Intl
7h 45m
1 stop
SAT12:45 pmSan Antonio
Jan 14
SAT5:20 amSan Antonio
5h 17m
1 stop
SDF11:37 amLouisville Intl
$281
Find similar
Delta
Dec 24
SDF4:49 pmLouisville Intl
7h 18m
1 stop
SAT11:07 pmSan Antonio
Jan 5
SAT6:22 pmSan Antonio
4h 33m
1 stop
SDF11:55 pmLouisville Intl
$284
Find similar
Delta
Dec 24
SDF4:49 pmLouisville Intl
7h 18m
1 stop
SAT11:07 pmSan Antonio
Dec 31
SAT5:20 amSan Antonio
6h 52m
1 stop
SDF1:12 pmLouisville Intl
$287
Find similar

American Airlines flights from Louisville to San Antonio

Our best American Airlines deals on Louisville to San Antonio flight tickets
American Airlines
Jan 8
SDF1:32 pmLouisville Intl
8h 18m
2 stops
SAT8:50 pmSan Antonio
Jan 13
SAT6:06 amSan Antonio
5h 26m
1 stop
SDF12:32 pmLouisville Intl
$286
Find similar
American Airlines
Jan 8
SDF1:32 pmLouisville Intl
8h 18m
2 stops
SAT8:50 pmSan Antonio
Jan 13
SAT6:14 amSan Antonio
7h 34m
2 stops
SDF2:48 pmLouisville Intl
$291
Find similar

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 November 26, 2025.
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

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 1/14

1:55 pm-8:14 am

1 stop19h 19m

San Antonio

Sat 1/17

10:35 am-2:33 pm

1 stop26h 58m

$197

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 1/21

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Fri 1/23

6:30 am-1:00 pm

1 stop5h 30m

$202

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/9

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Tue 1/13

6:30 am-1:00 pm

1 stop29h 30m

$212

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/9

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Mon 1/12

8:00 pm-2:33 pm

2 stops17h 33m

$219

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/8

3:28 pm-9:40 am

1 stop19h 12m

San Antonio

Mon 1/12

8:00 pm-2:33 pm

2 stops17h 33m

$225

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Thu 1/8

3:28 pm-9:40 am

1 stop19h 12m

San Antonio

Sat 1/17

10:35 am-2:33 pm

1 stop26h 58m

$226

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/9

6:54 pm-9:40 am

1 stop15h 46m

San Antonio

Sun 1/11

6:30 am-1:00 pm

1 stop29h 30m

$233

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Fri 1/9

1:55 pm-11:52 pm

1 stop10h 57m

San Antonio

Sun 1/18

8:59 am-1:00 pm

1 stop27h 01m

$235

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 1/14

1:55 pm-8:14 am

1 stop19h 19m

San Antonio

Sun 1/18

3:57 pm-1:00 pm

2 stops20h 03m

$238

LouisvilleSan Antonio

SDF - SAT

SDFSAT

Louisville Intl

Wed 1/21

1:55 pm-9:40 am

2 stops20h 45m

San Antonio

Fri 1/23

10:35 am-6:04 pm

1 stop6h 29m

$239

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 June instead. Flights to San Antonio in June, while not as cheap as those in August, still average around $350.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Saturday when prices can be found for as low as $322. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $428.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Louisville to San Antonio in the evening for as low as $348. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $422. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $404 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 $310 on momondo.

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

As of November 2025, prices for Louisville to San Antonio flights are approximately 25% 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 40m

Direct flights

None
The fastest flight from Louisville to San Antonio takes 4h 40m
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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  • 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 41m 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
Spirit AirlinesPriceFrom $94Free CancellationRating
6.3
8,156 reviews
Search Spirit Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights
SouthwestPriceFrom $309Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $325Free CancellationRating
7.4
9,050 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
Boerne
Kerrville
Schertz
Pleasanton

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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