$142+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAT
Mar 11 — Mar 181
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
Cheapest
Best
Last-minute
One-way
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 February 9, 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 February 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Tue 3/1712:42 pm
SDF
- SAT
1 stop21h 45m
Multiple Airlines
Sun 3/222:08 pm
SAT
- SDF
1 stop20h 06m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 4/107:48 pm
SDF
- SAT
1 stop14h 39m
Multiple Airlines
Mon 4/1310:22 am
SAT
- SDF
1 stop24h 25m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/169:13 pm
SDF
- SAT
1 stop13h 14m
Multiple Airlines
Wed 3/1810:22 am
SAT
- SDF
1 stop27h 11m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 4/177:48 pm
SDF
- SAT
1 stop14h 42m
Multiple Airlines
Mon 4/2010:26 am
SAT
- SDF
1 stop27h 12m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$278
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:33 pm
SDF
- SAT
1 stop18h 54m
Spirit Airlines
Mon 3/2310:22 am
SAT
- SDF
1 stop24h 25m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 2/7. 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 4/45:58 pm
SDF
- SAT
1 stop7h 39m
Delta
Mon 4/136:33 pm
SAT
- SDF
1 stop4h 26m
Delta
Deal found 2/7![Delta logo]()
$299
This Southwest deal was found by Cheapflights users on 2/6. 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 3/128:05 pm
SDF
- SAT
1 stop5h 45m
Southwest
Mon 3/2311:40 am
SAT
- SDF
2 stops6h 45m
Southwest
Deal found 2/6![Southwest logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 2/222:26 pm
SDF
- SAT
2 stops26h 52m
Multiple Airlines
Thu 2/2610:26 am
SAT
- SDF
1 stop21h 14m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$311
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 February 9, 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 February 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/21:19 pm
SDF
- SAT
1 stop11h 40m
Spirit Airlines
Tue 3/36:00 am
SAT
- SDF
1 stop29h 21m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/169:13 pm
SDF
- SAT
1 stop13h 14m
Multiple Airlines
Wed 3/181:22 pm
SAT
- SDF
2 stops24h 11m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$294
This Southwest deal was found by Cheapflights users on 2/8. 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 3/2411:25 am
SDF
- SAT
1 stop5h 15m
Southwest
Thu 3/265:15 pm
SAT
- SDF
1 stop6h 25m
Southwest
Deal found 2/8![Southwest logo]()
$299
This United Airlines deal was found by Cheapflights users on 2/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
SDF
- SAT
1 stop5h 47m
United Airlines
Fri 3/204:10 pm
SAT
- SDF
1 stop4h 49m
United Airlines
Deal found 2/7![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 2/5. 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 4/183:17 pm
SDF
- SAT
1 stop6h 13m
Delta
Thu 4/235:10 am
SAT
- SDF
1 stop8h 20m
Delta
Deal found 2/5![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/73:30 pm
SDF
- SAT
1 stop6h 45m
United Airlines
Sat 3/147:00 am
SAT
- SDF
1 stop5h 17m
United Airlines
Deal found 2/6![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 2/7. 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 3/128:05 pm
SDF
- SAT
1 stop5h 45m
Southwest
Sun 3/154:25 pm
SAT
- SDF
1 stop7h 10m
Southwest
Deal found 2/7![Southwest logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 2/222:26 pm
SDF
- SAT
2 stops26h 52m
Multiple Airlines
Thu 2/2610:26 am
SAT
- SDF
1 stop21h 14m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 2/6. 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 3/128:05 pm
SDF
- SAT
1 stop5h 45m
Southwest
Mon 3/2311:40 am
SAT
- SDF
2 stops6h 45m
Southwest
Deal found 2/6![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 2/7. 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 3/173:45 pm
SDF
- SAT
1 stop10h 10m
Southwest
Fri 3/201:55 pm
SAT
- SDF
2 stops7h 45m
Southwest
Deal found 2/7![Southwest logo]()
$304
Last-minute flights from Louisville to San AntonioDiscover last-minute flight deals from Louisville to San Antonio. Data last updated February 9, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San Antonio. Data last updated February 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 2/222:26 pm
SDF
- SAT
2 stops26h 52m
Multiple Airlines
Thu 2/2610:26 am
SAT
- SDF
1 stop21h 14m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 2/239:30 am
SDF
- SAT
1 stop25h 00m
Multiple Airlines
Thu 2/2610:26 am
SAT
- SDF
1 stop21h 14m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/21:19 pm
SDF
- SAT
1 stop11h 40m
Spirit Airlines
Tue 3/36:00 am
SAT
- SDF
1 stop29h 21m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 2/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:58 pm
SDF
- SAT
2 stops8h 17m
United Airlines
Sat 3/142:15 pm
SAT
- SDF
1 stop4h 59m
United Airlines
Deal found 2/6![United Airlines logo]()
$304
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/123:33 pm
SDF
- SAT
1 stop18h 54m
Spirit Airlines
Mon 3/2310:22 am
SAT
- SDF
1 stop24h 25m
Spirit Airlines
Deal found 2/6![Spirit Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 2/7. 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 3/128:05 pm
SDF
- SAT
1 stop5h 45m
Southwest
Sun 3/154:25 pm
SAT
- SDF
1 stop7h 10m
Southwest
Deal found 2/7![Southwest logo]()
$299
This Southwest deal was found by Cheapflights users on 2/6. 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 3/126:35 am
SDF
- SAT
2 stops6h 40m
Southwest
Mon 3/233:05 pm
SAT
- SDF
2 stops8h 40m
Southwest
Deal found 2/6![Southwest logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/169:13 pm
SDF
- SAT
1 stop13h 14m
Multiple Airlines
Wed 3/1810:22 am
SAT
- SDF
1 stop27h 11m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Tue 3/1712:42 pm
SDF
- SAT
1 stop21h 45m
Multiple Airlines
Sun 3/222:08 pm
SAT
- SDF
1 stop20h 06m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$252
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 February 9, 2026.
Search for one-way flight options from Louisville to San Antonio. Find affordable one-way fares based on user searches. Data last updated February 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Thu 2/262:26 pm
SDF
- SAT
2 stops26h 49m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/1710:49 am
SDF
- SAT
1 stop4h 36m
American Airlines
Deal found 2/8![American Airlines logo]()
$150
This Southwest deal was found by Cheapflights users on 2/8. 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 3/173:45 pm
SDF
- SAT
2 stops9h 50m
Southwest
Deal found 2/8![Southwest logo]()
$155
This CheapOair deal was found by Cheapflights users on 2/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:33 pm
SDF
- SAT
1 stop18h 57m
Spirit Airlines
Deal found 2/7![Spirit Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Thu 2/199:12 pm
SDF
- SAT
1 stop17h 00m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 3/166:23 pm
SDF
- SAT
1 stop5h 44m
American Airlines
Deal found 2/8![American Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/201:19 pm
SDF
- SAT
1 stop24h 53m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 2/8. 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 5/226:00 am
SDF
- SAT
1 stop6h 25m
Delta
Deal found 2/8![Delta logo]()
$194
This Southwest deal was found by Cheapflights users on 2/8. 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 5/225:25 pm
SDF
- SAT
2 stops5h 35m
Southwest
Deal found 2/8![Southwest logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Tue 2/243:33 pm
SDF
- SAT
3 stops46h 39m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$207
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 February 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Kiwi.com) |
One-way from | $142 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $403 |
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 February 9, 2026.
Use the filters below to find and compare flights from Louisville to San Antonio that are best for you.
Fly from
Louisville
Fly to
San Antonio
Route
Depart
Return
Price
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Mon 3/2
1:19 pm-11:59 pm
1 stop11h 40m
San Antonio
Tue 3/3
6:00 am-12:21 pm
1 stop29h 21m
$273
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Mon 3/16
9:13 pm-9:27 am
1 stop13h 14m
San Antonio
Wed 3/18
1:22 pm-2:33 pm
2 stops24h 11m
$294
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Tue 3/24
11:25 am-3:40 pm
1 stop5h 15m
San Antonio
Thu 3/26
5:15 pm-12:40 am
1 stop6h 25m
$299
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Tue 3/17
6:00 am-10:47 am
1 stop5h 47m
San Antonio
Fri 3/20
4:10 pm-9:59 pm
1 stop4h 49m
$299
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sat 4/18
3:17 pm-8:30 pm
1 stop6h 13m
San Antonio
Thu 4/23
5:10 am-2:30 pm
1 stop8h 20m
$299
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sat 3/7
3:30 pm-9:15 pm
1 stop6h 45m
San Antonio
Sat 3/14
7:00 am-1:17 pm
1 stop5h 17m
$299
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Thu 3/12
8:05 pm-12:50 am
1 stop5h 45m
San Antonio
Sun 3/15
4:25 pm-12:35 am
1 stop7h 10m
$299
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Thu 3/12
8:05 pm-12:50 am
1 stop5h 45m
San Antonio
Mon 3/23
11:40 am-7:25 pm
2 stops6h 45m
$304
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Tue 3/17
3:45 pm-12:55 am
1 stop10h 10m
San Antonio
Fri 3/20
1:55 pm-10:40 pm
2 stops7h 45m
$304
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sun 2/22
2:26 pm-4:18 pm
2 stops26h 52m
San Antonio
Thu 2/26
10:26 am-8:40 am
1 stop21h 14m
$311
Showing 1-10 of 22 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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
How far ahead should I book a flight from Louisville to San Antonio?
Use this chart to determine the optimal time to book a round-trip flight from Louisville to San Antonio. Price data was last updated on February 6, 2026.
The price you pay for your flight from Louisville to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Louisville to San Antonio?
Currently, October is the cheapest month in which you can book a flight from Louisville to San Antonio (average of $60). Flying from Louisville to San Antonio in January is currently the most expensive (average of $114). 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.
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 February 9, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Overall
8.0
Comfort
8.0
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
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Top 5 airlines flying from Louisville to San Antonio
Discover the top 5 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 February 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$232 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$148 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$381 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$325 | Average$465 | FlexibilityNo cancel fee | On-time69% |