$163+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAT
Sep 4 — Sep 111
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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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 August 5, 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 August 5, 2026.
This Delta deal was found by Cheapflights users on 8/2. 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 8/225:59 pm -
1 stop5h 44m
Tue 9/15:45 pm -
1 stop5h 49m
Deal found 8/2![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 7/30. 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 8/247:55 am -
2 stops7h 50m
Thu 8/2712:20 pm -
1 stop5h 10m
Deal found 7/30![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/228:46 pm -
1 stop13h 29m
Sat 8/299:51 am -
2 stops9h 15m
Deal found 8/2![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 8/246:00 am -
1 stop4h 48m
Wed 8/267:55 am -
1 stop5h 23m
Deal found 8/2![Delta logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/158:46 pm -
1 stop13h 29m
Wed 8/194:53 pm -
2 stops16h 39m
Deal found 7/30![Breeze Airways logo]()
$300
This Southwest deal was found by Cheapflights users on 8/4. 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 8/2711:05 am -
1 stop9h 15m
Sat 8/295:40 am -
2 stops7h 35m
Deal found 8/4![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 7/30. 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 8/271:45 pm -
2 stops6h 15m
Thu 9/35:35 am -
2 stops6h 30m
Deal found 7/30![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 8/4. 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 10/243:50 pm -
1 stop5h 35m
Tue 10/273:40 pm -
1 stop6h 20m
Deal found 8/4![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 8/2. 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 8/2211:17 am -
1 stop6h 22m
Fri 8/287:55 am -
1 stop5h 23m
Deal found 8/2![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 8/2. 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 9/196:00 am -
1 stop4h 47m
Tue 9/226:10 pm -
1 stop4h 49m
Deal found 8/2![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 7/30. 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 8/286:45 am -
2 stops7h 05m
Tue 9/111:30 am -
1 stop3h 50m
Deal found 7/30![Southwest logo]()
$326
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 August 5, 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 August 5, 2026.
This Southwest deal was found by Cheapflights users on 7/31. 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 8/1912:10 pm -
1 stop6h 15m
Wed 9/211:30 am -
1 stop3h 50m
Deal found 7/31![Southwest logo]()
$271
This Delta deal was found by Cheapflights users on 8/2. 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 11/125:59 pm -
1 stop4h 59m
Thu 12/34:49 pm -
1 stop6h 16m
Deal found 8/2![Delta logo]()
$325
This Southwest deal was found by Cheapflights users on 8/4. 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 8/277:55 am -
1 stop5h 55m
Sat 8/297:05 am -
1 stop7h 50m
Deal found 8/4![Southwest logo]()
$298
This Delta deal was found by Cheapflights users on 8/3. 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 10/91:59 pm -
1 stop6h 49m
Sat 10/105:00 pm -
1 stop5h 59m
Deal found 8/3![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 8/2. 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 10/147:10 am -
1 stop4h 30m
Sat 10/176:10 am -
1 stop6h 45m
Deal found 8/2![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 8/2. 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 11/71:40 pm -
1 stop7h 45m
Thu 11/129:15 am -
1 stop4h 50m
Deal found 8/2![Southwest logo]()
$325
Last-minute flights from Louisville to San AntonioDiscover last-minute flight deals from Louisville to San Antonio. Data last updated August 5, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San Antonio. Data last updated August 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 8/158:46 pm -
1 stop13h 29m
Wed 8/194:53 pm -
2 stops16h 39m
Deal found 7/30![Breeze Airways logo]()
$300
This Delta deal was found by Cheapflights users on 8/2. 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 8/226:00 am -
1 stop4h 48m
Sat 8/296:25 am -
1 stop6h 53m
Deal found 8/2![Delta logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 8/228:46 pm -
1 stop13h 29m
Sat 8/299:51 am -
2 stops9h 15m
Deal found 8/2![Multiple Airlines logo]()
$292
This Delta deal was found by Cheapflights users on 8/2. 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 8/2211:17 am -
1 stop6h 22m
Fri 8/287:55 am -
1 stop5h 23m
Deal found 8/2![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 7/30. 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 8/247:55 am -
2 stops7h 50m
Thu 8/2712:20 pm -
1 stop5h 10m
Deal found 7/30![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 8/2. 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.
Mon 8/247:05 am -
1 stop5h 05m
Sat 8/296:25 am -
1 stop5h 11m
Deal found 8/2![Delta logo]()
$298
This Southwest deal was found by Cheapflights users on 8/4. 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 8/2711:05 am -
1 stop9h 15m
Sat 8/295:40 am -
2 stops7h 35m
Deal found 8/4![Southwest logo]()
$303
This Southwest deal was found by Cheapflights users on 7/30. 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 8/271:45 pm -
2 stops6h 15m
Thu 9/35:35 am -
2 stops6h 30m
Deal found 7/30![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 7/30. 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 8/286:45 am -
2 stops7h 05m
Tue 9/111:30 am -
1 stop3h 50m
Deal found 7/30![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 8/2. 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 9/36:45 am -
1 stop4h 40m
Tue 9/87:10 am -
2 stops7h 05m
Deal found 8/2![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 8/2. 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 9/196:00 pm -
1 stop6h 18m
Sat 9/266:35 am -
1 stop4h 50m
Deal found 8/2![Delta logo]()
$325
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 August 5, 2026.
Search for one-way flight options from Louisville to San Antonio. Find affordable one-way fares based on user searches. Data last updated August 5, 2026.
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 8/316:00 am -
1 stop5h 59m
Deal found 7/31![United Airlines logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/3111:19 am -
2 stops53h 54m
Deal found 7/31![Multiple Airlines logo]()
$165
This Southwest deal was found by Cheapflights users on 7/31. 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 8/311:45 pm -
2 stops6h 15m
Deal found 7/31![Southwest logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/318:28 pm -
3 stops44h 45m
Deal found 7/31![Breeze Airways logo]()
$185
This Southwest deal was found by Cheapflights users on 8/3. 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 9/711:50 am -
1 stop10h 45m
Deal found 8/3![Southwest logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 8/99:24 pm -
2 stops22h 30m
Deal found 8/1![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 9/712:52 pm -
3 stops45h 15m
Deal found 8/3![Multiple Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 8/78:00 am -
1 stop5h 43m
Deal found 8/3![United Airlines logo]()
$341
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 August 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $271 (Delta) |
One-way from | $163 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $394 |
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 August 5, 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
Quickest round-trip
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 8/19
12:10 pm-5:25 pm
1 stop6h 15m
San Antonio
Wed 9/2
11:30 am-4:20 pm
1 stop3h 50m
$271
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Thu 8/27
7:55 am-12:50 pm
1 stop5h 55m
San Antonio
Sat 8/29
7:05 am-3:55 pm
1 stop7h 50m
$298
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Thu 11/12
5:59 pm-9:58 pm
1 stop4h 59m
San Antonio
Thu 12/3
4:49 pm-12:05 am
1 stop6h 16m
$325
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 10/14
7:10 am-10:40 am
1 stop4h 30m
San Antonio
Sat 10/17
6:10 am-1:55 pm
1 stop6h 45m
$325
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Sat 11/7
1:40 pm-8:25 pm
1 stop7h 45m
San Antonio
Thu 11/12
9:15 am-3:05 pm
1 stop4h 50m
$325
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Fri 10/9
1:59 pm-7:48 pm
1 stop6h 49m
San Antonio
Sat 10/10
5:00 pm-11:59 pm
1 stop5h 59m
$348
Cheapest one-way
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Mon 8/31
11:05 am-7:20 pm
1 stop9h 15m
$163
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Wed 9/16
11:00 am-4:00 pm
1 stop6h 00m
$163
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Fri 11/13
8:05 am-12:41 pm
1 stop5h 36m
$186
Quickest one-way
LouisvilleSan Antonio
SDF - SAT
SDFSAT
Louisville Intl
Fri 11/13
9:10 am-1:16 pm
1 stop5h 06m
$186
Showing 1-10 of 13 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 August.
| 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
How far ahead should I book a flight from Louisville to San Antonio?
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 39 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, February is the cheapest month in which you can book a flight from Louisville to San Antonio (average of $346). Flying from Louisville to San Antonio in June is currently the most expensive (average of $667). 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?
Airfare is below average for this route at the moment.
Louisville to San Antonio flights typically cost between $361 and $426 in August.The cheapest round-trip price found within the last 5 days was $271 on Delta (Aug 22-Sep 1).
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 August 5, 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.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
Traveling to a place near San Antonio?
Book flights to San Antonio if you plan to visit one of these locationsNew Braunfels
Kerrville
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip to San Antonio by adding a car rental and/or hotel reservation to your travel itinerary.
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Louisville and San Antonio flights
Browse other Louisville and San Antonio flight options. Last updated on August 5, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Antonio
Explore flights to San Antonio departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 5, 2026.
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 August 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$283 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$298 | Average$387 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$319 | Average$467 | FlexibilityNo cancel fee | On-time69% |