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Cheap flights from Louisville to San Antonio from $154

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
6:01 am - 12:07 pmSDF  Louisville Intl-SAT San Antonio
7h 06m1 stop Dallas/Fort Worth
American Airlines Logo
9:22 am - 4:26 pmSAT  San Antonio-SDF Louisville Intl
6h 04m1 stop Dallas/Fort Worth
$307American Airlines
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
7:05 am - 10:51 amSDF  Louisville Intl-SAT San Antonio
4h 46m1 stop Houston George Bush Intcntl
United Airlines Logo
9:41 am - 6:17 pmSAT  San Antonio-SDF Louisville Intl
7h 36m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$312United Airlines
Sat, Dec 5 - Sat, Dec 12
Delta Logo
8:05 am - 12:40 pmSDF  Louisville Intl-SAT San Antonio
5h 35m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:38 am - 2:17 pmSAT  San Antonio-SDF Louisville Intl
5h 39m1 stop Atlanta Hartsfield-Jackson
$347Delta
Wed, Dec 2 - Tue, Dec 8
Delta Logo
1:04 pm - 7:59 pmSDF  Louisville Intl-SAT San Antonio
7h 55m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:16 am - 2:16 pmSAT  San Antonio-SDF Louisville Intl
7h 00m1 stop Atlanta Hartsfield-Jackson
$347Delta
Wed, Dec 2 - Sat, Dec 5
American Airlines Logo
1:14 pm - 6:22 pmSDF  Louisville Intl-SAT San Antonio
6h 08m1 stop Chicago O'Hare Intl
American Airlines Logo
6:15 pm - 11:42 pmSAT  San Antonio-SDF Louisville Intl
4h 27m1 stop Dallas/Fort Worth
$347American Airlines
Sat, Feb 20 - Sat, Feb 27
United Airlines Logo
5:20 pm - 11:17 pmSDF  Louisville Intl-SAT San Antonio
6h 57m1 stop Chicago O'Hare Intl
United Airlines Logo
11:49 am - 8:32 pmSAT  San Antonio-SDF Louisville Intl
7h 43m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$352United Airlines
Sat, Feb 20 - Sat, Feb 27
Southwest Logo
6:50 am - 12:05 pmSDF  Louisville Intl-SAT San Antonio
6h 15m1 stop Denver Intl
Southwest Logo
5:35 am - 12:45 pmSAT  San Antonio-SDF Louisville Intl
6h 10m1 stop Baltimore/Washington
$362Southwest
Tue, Jan 5 - Thu, Jan 7
Southwest Logo
7:30 am - 11:05 amSDF  Louisville Intl-SAT San Antonio
4h 35m1 stop Nashville Intl
Southwest Logo
7:15 am - 2:45 pmSAT  San Antonio-SDF Louisville Intl
6h 30m2 stops Houston Hobby Dallas Love Field
$382Southwest
Thu, Jan 21 - Mon, Jan 25
Breeze Airways Logo
10:25 am - 12:30 pmSDF  Louisville Intl-SAT San Antonio
27h 05m3 stops Pittsburgh Hartford Bradley Intl Raleigh-Durham
Breeze Airways Logo
9:25 am - 9:45 amSAT  San Antonio-SDF Louisville Intl
23h 20m3 stops Raleigh-Durham Hartford Bradley Intl Pittsburgh
$1,658Breeze Airways
Mon, Dec 28 - Sun, Jan 3
Breeze Airways Logo
10:25 am - 12:30 pmSDF  Louisville Intl-SAT San Antonio
27h 05m2 stops Pittsburgh Raleigh-Durham
Breeze Airways Logo
9:25 am - 9:45 amSAT  San Antonio-SDF Louisville Intl
23h 20m3 stops Raleigh-Durham Hartford Bradley Intl Pittsburgh
$1,783Breeze Airways
Mon, Dec 28 - Sun, Jan 3

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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
Dec 5
SDF7:05 amLouisville Intl
4h 46m
1 stop
SAT10:51 amSan Antonio
Dec 12
SAT9:41 amSan Antonio
7h 36m
2 stops
SDF6:17 pmLouisville Intl
$312
United Airlines
Feb 20
SDF5:20 pmLouisville Intl
6h 57m
1 stop
SAT11:17 pmSan Antonio
Feb 27
SAT11:49 amSan Antonio
7h 43m
2 stops
SDF8:32 pmLouisville Intl
$352
United Airlines
Dec 11
SDF7:05 amLouisville Intl
4h 46m
1 stop
SAT10:51 amSan Antonio
Dec 13
SAT2:18 pmSan Antonio
8h 31m
2 stops
SDF11:49 pmLouisville Intl
$359

Delta flights from Louisville to San Antonio

Our best Delta deals on Louisville to San Antonio flight tickets
Delta
Dec 2
SDF8:05 amLouisville Intl
5h 35m
1 stop
SAT12:40 pmSan Antonio
Dec 8
SAT7:38 amSan Antonio
5h 39m
1 stop
SDF2:17 pmLouisville Intl
$347
Delta
Dec 3
SDF8:05 amLouisville Intl
5h 35m
1 stop
SAT12:40 pmSan Antonio
Dec 5
SAT6:16 amSan Antonio
7h 00m
1 stop
SDF2:16 pmLouisville Intl
$362
Delta
Dec 4
SDF10:13 amLouisville Intl
6h 18m
1 stop
SAT3:31 pmSan Antonio
Dec 8
SAT1:45 pmSan Antonio
4h 28m
1 stop
SDF7:13 pmLouisville Intl
$372

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

Sat 12/5

6:01 am-12:07 pm

1 stop7h 06m

San Antonio

Sat 12/12

9:22 am-4:26 pm

1 stop6h 04m

$307

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 12/5

7:05 am-10:51 am

1 stop4h 46m

San Antonio

Sat 12/12

9:41 am-6:17 pm

2 stops7h 36m

$312

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/2

8:05 am-12:40 pm

1 stop5h 35m

San Antonio

Tue 12/8

7:38 am-2:17 pm

1 stop5h 39m

$347

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Wed 12/2

1:04 pm-7:59 pm

1 stop7h 55m

San Antonio

Sat 12/5

6:16 am-2:16 pm

1 stop7h 00m

$347
Quickest round-trip

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 2/20

1:14 pm-6:22 pm

1 stop6h 08m

San Antonio

Sat 2/27

6:15 pm-11:42 pm

1 stop4h 27m

$347

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Sat 2/20

5:20 pm-11:17 pm

1 stop6h 57m

San Antonio

Sat 2/27

11:49 am-8:32 pm

2 stops7h 43m

$352

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Tue 1/5

6:50 am-12:05 pm

1 stop6h 15m

San Antonio

Thu 1/7

5:35 am-12:45 pm

1 stop6h 10m

$362

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Thu 1/21

7:30 am-11:05 am

1 stop4h 35m

San Antonio

Mon 1/25

7:15 am-2:45 pm

2 stops6h 30m

$382

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 12/28

10:25 am-12:30 pm

3 stops27h 05m

San Antonio

Sun 1/3

9:25 am-9:45 am

3 stops23h 20m

$1,658

LouisvilleSan Antonio

SDF Louisville Intl - SAT San Antonio

SDFSAT

Louisville Intl

Mon 12/28

10:25 am-12:30 pm

2 stops27h 05m

San Antonio

Sun 1/3

9:25 am-9:45 am

3 stops23h 20m

$1,783

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 typical for flights on this route.

Typical prices usually range from $324 to $414.
The lowest price recently found on this route was $347.

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of December, then book flights to San Antonio from Louisville during February instead. Flights to San Antonio in February, while not as cheap as those in December, still average around $341.

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 $300 on momondo.

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

As of November 2026, prices for Louisville to San Antonio flights are approximately 48% 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

$154

Fastest flight time

4h 57m

Direct flights

None
The best one-way flight to San Antonio from Louisville in the past 72 hours is $154. The best round-trip flight deal from Louisville to San Antonio found on momondo in the last 72 hours is $307.
The fastest flight from Louisville to San Antonio takes 4h 57m
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 57m 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
United AirlinesPriceFrom $214Free CancellationRating
7.3
10,476 reviews
Search United Airlines flights
American AirlinesPriceFrom $254Free CancellationRating
7.0
12,226 reviews
Search American Airlines flights
DeltaPriceFrom $288Free CancellationRating
7.8
8,700 reviews
Search Delta flights
SouthwestPriceFrom $298Free CancellationRating
8.0
4,219 reviews
Search Southwest 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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