$154+ Cheap flights from Louisville to San Antonio (SDF - SAT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAT
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to San Antonio with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to San Antonio
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Best
Last-minute
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Cheapest flights from Louisville to San AntonioExplore the most affordable flight options available from Louisville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Louisville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:06 pm
SDF
- SAT
1 stop14h 09m
Breeze Airways
Wed 8/124:53 pm
SAT
- SDF
2 stops16h 39m
Breeze Airways
Deal found 6/22![Breeze Airways logo]()
$292
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:48 am
SDF
- SAT
1 stop7h 02m
American Airlines
Wed 7/225:01 am
SAT
- SDF
1 stop4h 38m
American Airlines
Deal found 6/20![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:45 am
SDF
- SAT
1 stop5h 05m
Southwest
Tue 8/116:40 am
SAT
- SDF
2 stops7h 35m
Southwest
Deal found 6/18![Southwest logo]()
$312
This American Airlines deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:30 pm
SDF
- SAT
1 stop5h 29m
American Airlines
Tue 9/88:55 am
SAT
- SDF
1 stop8h 04m
American Airlines
Deal found 6/21![American Airlines logo]()
$324
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:55 am
SDF
- SAT
1 stop5h 55m
Southwest
Wed 8/1212:55 pm
SAT
- SDF
2 stops6h 40m
Southwest
Deal found 6/18![Southwest logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:06 pm
SDF
- SAT
1 stop14h 09m
Breeze Airways
Sat 8/155:38 pm
SAT
- SDF
2 stops15h 54m
Breeze Airways
Deal found 6/22![Breeze Airways logo]()
$331
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/67:05 am
SDF
- SAT
1 stop5h 05m
Delta
Mon 8/1710:46 am
SAT
- SDF
1 stop5h 14m
Delta
Deal found 6/22![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 pm
SDF
- SAT
1 stop6h 21m
Delta
Sat 8/155:45 pm
SAT
- SDF
1 stop5h 24m
Delta
Deal found 6/22![Delta logo]()
$343
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/69:00 am
SDF
- SAT
2 stops6h 45m
Southwest
Mon 8/1011:10 am
SAT
- SDF
1 stop6h 20m
Southwest
Deal found 6/18![Southwest logo]()
$346
Best flights from Louisville to San AntonioDiscover carefully curated flight deals from Louisville to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Louisville to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/224:15 pm
SDF
- SAT
1 stop6h 25m
Southwest
Sat 7/254:40 pm
SAT
- SDF
1 stop4h 05m
Southwest
Deal found 6/22![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
SDF
- SAT
1 stop4h 48m
Delta
Fri 8/1412:05 pm
SAT
- SDF
1 stop6h 25m
Delta
Deal found 6/22![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:50 pm
SDF
- SAT
1 stop5h 25m
Southwest
Tue 8/112:35 pm
SAT
- SDF
1 stop5h 55m
Southwest
Deal found 6/18![Southwest logo]()
$307
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
SDF
- SAT
1 stop4h 48m
Delta
Sun 8/166:25 am
SAT
- SDF
1 stop4h 56m
Delta
Deal found 6/22![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:30 pm
SDF
- SAT
2 stops9h 25m
Southwest
Mon 10/199:25 am
SAT
- SDF
1 stop4h 35m
Southwest
Deal found 6/19![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/27:05 am
SDF
- SAT
1 stop5h 04m
Delta
Wed 8/1210:46 am
SAT
- SDF
1 stop5h 14m
Delta
Deal found 6/22![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:45 pm
SDF
- SAT
2 stops6h 15m
Southwest
Wed 8/1912:55 pm
SAT
- SDF
2 stops6h 40m
Southwest
Deal found 6/18![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/512:53 pm
SDF
- SAT
1 stop5h 25m
Delta
Sun 11/86:15 pm
SAT
- SDF
1 stop4h 47m
Delta
Deal found 6/22![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:05 am
SDF
- SAT
2 stops6h 45m
Southwest
Fri 8/79:30 am
SAT
- SDF
1 stop6h 50m
Southwest
Deal found 6/20![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:50 am
SDF
- SAT
1 stop5h 15m
Southwest
Wed 7/2212:00 pm
SAT
- SDF
1 stop4h 10m
Southwest
Deal found 6/21![Southwest logo]()
$367
Last-minute flights from Louisville to San AntonioDiscover last-minute flight deals from Louisville to San Antonio. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San Antonio. Data last updated June 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/18:06 pm
SDF
- SAT
1 stop14h 09m
Breeze Airways
Fri 7/1011:30 am
SAT
- SDF
2 stops20h 06m
Breeze Airways
Deal found 6/18![Breeze Airways logo]()
$413
This American Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:10 pm
SDF
- SAT
1 stop6h 00m
American Airlines
Tue 7/1411:04 am
SAT
- SDF
1 stop6h 54m
American Airlines
Deal found 6/22![American Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:25 am
SDF
- SAT
1 stop3h 55m
Southwest
Tue 7/1412:55 pm
SAT
- SDF
2 stops6h 35m
Southwest
Deal found 6/22![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:48 am
SDF
- SAT
1 stop7h 02m
American Airlines
Wed 7/225:01 am
SAT
- SDF
1 stop4h 38m
American Airlines
Deal found 6/20![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:35 am
SDF
- SAT
1 stop6h 10m
Southwest
Mon 7/205:25 pm
SAT
- SDF
1 stop4h 05m
Southwest
Deal found 6/22![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:05 pm
SDF
- SAT
2 stops5h 50m
Southwest
Wed 7/221:20 pm
SAT
- SDF
2 stops7h 25m
Southwest
Deal found 6/21![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/227:45 pm
SDF
- SAT
1 stop5h 00m
Southwest
Sun 8/25:20 am
SAT
- SDF
2 stops6h 45m
Southwest
Deal found 6/20![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2410:45 am
SDF
- SAT
1 stop6h 25m
Southwest
Sun 7/265:00 am
SAT
- SDF
2 stops7h 05m
Southwest
Deal found 6/22![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:02 pm
SDF
- SAT
1 stop5h 09m
Delta
Tue 8/116:25 am
SAT
- SDF
1 stop4h 56m
Delta
Deal found 6/22![Delta logo]()
$357
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:00 am
SDF
- SAT
1 stop4h 38m
Delta
Mon 8/1710:46 am
SAT
- SDF
1 stop5h 14m
Delta
Deal found 6/22![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3110:00 am
SDF
- SAT
1 stop4h 38m
Delta
Fri 8/147:55 am
SAT
- SDF
1 stop5h 23m
Delta
Deal found 6/22![Delta logo]()
$407
One-way flights from Louisville to San AntonioSearch for one-way flight options from Louisville to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Louisville to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Southwest deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:45 am
SDF
- SAT
1 stop5h 05m
Southwest
Deal found 6/20![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:55 am
SDF
- SAT
1 stop5h 55m
Southwest
Deal found 6/19![Southwest logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:06 pm
SDF
- SAT
1 stop14h 09m
Breeze Airways
Deal found 6/18![Breeze Airways logo]()
$186
This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:15 am
SDF
- SAT
2 stops5h 35m
Southwest
Deal found 6/18![Southwest logo]()
$196
This Southwest deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/315:50 am
SDF
- SAT
1 stop7h 00m
Southwest
Deal found 6/21![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:10 pm
SDF
- SAT
3 stops22h 44m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/164:47 pm
SDF
- SAT
1 stop6h 32m
Delta
Deal found 6/22![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:48 pm
SDF
- SAT
3 stops22h 56m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$239
Find flight deals from Louisville to San Antonio
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Kiwi.com) |
One-way from | $154 (Southwest) |
Popular in | June |
Cheapest in | August |
Average price | $672 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 23, 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
Cheapest round-trip
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 7/22
4:15 pm-9:40 pm
1 stop6h 25m
San Antonio
Sat 7/25
4:40 pm-9:45 pm
1 stop4h 05m
$307
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 8/5
12:50 pm-5:15 pm
1 stop5h 25m
San Antonio
Tue 8/11
2:35 pm-9:30 pm
1 stop5h 55m
$307
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sat 10/17
12:30 pm-8:55 pm
2 stops9h 25m
San Antonio
Mon 10/19
9:25 am-3:00 pm
1 stop4h 35m
$329
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
$334
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 8/5
6:00 am-9:48 am
1 stop4h 48m
San Antonio
Fri 8/14
12:05 pm-7:30 pm
1 stop6h 25m
$357
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 8/5
6:00 am-9:48 am
1 stop4h 48m
San Antonio
Sun 8/16
6:25 am-12:21 pm
1 stop4h 56m
$357
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sun 8/2
7:05 am-11:09 am
1 stop5h 04m
San Antonio
Wed 8/12
10:46 am-5:00 pm
1 stop5h 14m
$357
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Tue 8/4
7:05 am-12:50 pm
2 stops6h 45m
San Antonio
Fri 8/7
9:30 am-5:20 pm
1 stop6h 50m
$362
Quickest round-trip
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Fri 7/17
10:50 am-3:05 pm
1 stop5h 15m
San Antonio
Wed 7/22
12:00 pm-5:10 pm
1 stop4h 10m
$367
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Thu 11/5
12:53 pm-5:18 pm
1 stop5h 25m
San Antonio
Sun 11/8
6:15 pm-12:02 am
1 stop4h 47m
$374
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Louisville to San Antonio
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to San Antonio in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San Antonio flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Louisville to San Antonio
Have a flexible travel schedule? Discover the best time to fly to San Antonio from Louisville with our price prediction graph.
SDF-SAT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Louisville to San Antonio
What is the cheapest month to book a flight from Louisville to San Antonio?
Currently, August is the cheapest month in which you can book a flight from Louisville to San Antonio (average of $317). Flying from Louisville to San Antonio in June is currently the most expensive (average of $672). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Louisville to San Antonio?
Reviews of airlines servicing San Antonio
Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated June 23, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Louisville to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
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Top 4 airlines flying from Louisville to San Antonio
Discover the top 4 airlines that operate flights from Louisville to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$362 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$242 | Average$382 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$385 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$319 | Average$412 | FlexibilityNo cancel fee | On-time69% |