$134+ Cheap flights from San Diego to Louisville (SAN - SDF)
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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from San Diego to Louisville 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
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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 San Diego to Louisville
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Cheapest flights from San Diego to LouisvilleExplore the most affordable flight options available from San Diego to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from San Diego to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/112:54 pm -
1 stop22h 22m
Sat 9/58:46 pm -
1 stop17h 38m
Deal found 8/17![Breeze Airways logo]()
$308
This Southwest deal was found by Cheapflights users on 8/18. 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.
Tue 10/66:30 am -
1 stop5h 45m
Wed 10/147:10 pm -
1 stop5h 55m
Deal found 8/18![Southwest logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/151:22 pm -
1 stop17h 49m
Sat 9/1910:56 am -
2 stops15h 55m
Deal found 8/18![Multiple Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:29 am -
1 stop6h 21m
Fri 9/117:55 am -
1 stop9h 14m
Deal found 8/19![Delta logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/16:25 am -
2 stops28h 51m
Sat 9/58:46 pm -
1 stop17h 38m
Deal found 8/17![Multiple Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 8/17. 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 9/92:10 pm -
1 stop5h 55m
Sat 9/126:45 am -
2 stops10h 30m
Deal found 8/17![Southwest logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1010:28 am -
1 stop29h 51m
Thu 9/179:09 pm -
2 stops45h 49m
Deal found 8/17![Multiple Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/18. 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.
Tue 11/1010:55 am -
2 stops8h 55m
Sat 11/149:10 am -
2 stops11h 35m
Deal found 8/18![Southwest logo]()
$331
This Southwest deal was found by Cheapflights users on 8/16. 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 9/810:40 pm -
1 stop10h 30m
Sat 9/124:55 pm -
2 stops9h 20m
Deal found 8/16![Southwest logo]()
$332
This Delta deal was found by Cheapflights users on 8/17. 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.
Tue 10/2712:38 pm -
1 stop8h 21m
Fri 10/307:55 am -
1 stop9h 25m
Deal found 8/17![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 10/910:40 pm -
1 stop8h 40m
Thu 10/153:30 pm -
1 stop11h 25m
Deal found 8/18![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/1710:46 pm -
1 stop7h 57m
Thu 9/244:19 pm -
1 stop8h 29m
Deal found 8/20![American Airlines logo]()
$346
Best flights from San Diego to LouisvilleDiscover carefully curated flight deals from San Diego to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from San Diego to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:56 am -
1 stop8h 03m
Mon 10/55:50 pm -
1 stop7h 16m
Deal found 8/21![Delta logo]()
$334
This Southwest deal was found by Cheapflights users on 8/16. 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 9/2510:40 pm -
1 stop8h 30m
Wed 9/306:45 pm -
1 stop6h 55m
Deal found 8/16![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/1710:46 pm -
1 stop7h 57m
Sun 9/202:41 pm -
1 stop9h 49m
Deal found 8/21![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/38:45 am -
2 stops12h 14m
Wed 10/75:15 am -
2 stops9h 20m
Deal found 8/19![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 10/910:40 pm -
1 stop8h 40m
Thu 10/153:30 pm -
1 stop11h 25m
Deal found 8/18![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 8/19. 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 10/109:50 pm -
1 stop9h 05m
Tue 10/203:00 pm -
2 stops9h 20m
Deal found 8/19![Southwest logo]()
$369
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 9/106:15 am -
2 stops13h 14m
Mon 9/1411:00 am -
2 stops12h 02m
Deal found 8/16![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 8/18. 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.
Tue 10/66:30 am -
1 stop5h 45m
Wed 10/144:00 pm -
2 stops9h 00m
Deal found 8/18![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:41 pm -
2 stops14h 34m
Mon 10/52:12 pm -
1 stop9h 17m
Deal found 8/18![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/186:28 pm -
2 stops12h 26m
Mon 9/215:15 am -
1 stop7h 17m
Deal found 8/16![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sun 12/66:45 am -
2 stops7h 45m
Fri 12/114:05 pm -
1 stop5h 50m
Deal found 8/17![Southwest logo]()
$442
Last-minute flights from San Diego to LouisvilleDiscover last-minute flight deals from San Diego to Louisville. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Louisville. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/112:54 pm -
1 stop22h 22m
Sat 9/58:46 pm -
1 stop17h 38m
Deal found 8/17![Breeze Airways logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/16:25 am -
2 stops28h 51m
Sat 9/58:46 pm -
1 stop17h 38m
Deal found 8/17![Multiple Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:29 am -
1 stop6h 21m
Wed 9/91:15 pm -
1 stop6h 50m
Deal found 8/19![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 8/16. 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 9/810:40 pm -
1 stop10h 30m
Sat 9/124:55 pm -
2 stops9h 20m
Deal found 8/16![Southwest logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:54 pm -
1 stop18h 17m
Sat 9/1210:56 am -
2 stops15h 55m
Deal found 8/20![Multiple Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 8/17. 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 9/92:10 pm -
1 stop5h 55m
Sat 9/126:45 am -
2 stops10h 30m
Deal found 8/17![Southwest logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1010:28 am -
1 stop29h 51m
Thu 9/179:09 pm -
2 stops45h 49m
Deal found 8/17![Multiple Airlines logo]()
$327
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/151:22 pm -
1 stop17h 49m
Sat 9/1910:56 am -
2 stops15h 55m
Deal found 8/18![Multiple Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:11 am -
1 stop9h 04m
Wed 9/235:15 am -
1 stop7h 17m
Deal found 8/19![United Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 9/1710:46 pm -
1 stop7h 57m
Thu 9/244:19 pm -
1 stop8h 29m
Deal found 8/20![American Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 8/16. 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 9/2510:40 pm -
1 stop8h 30m
Wed 9/306:45 pm -
1 stop6h 55m
Deal found 8/16![Southwest logo]()
$334
One-way flights from San Diego to LouisvilleSearch for one-way flight options from San Diego to Louisville. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from San Diego to Louisville. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/116:25 am -
2 stops24h 46m
Deal found 8/16![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/104:54 pm -
2 stops38h 17m
Deal found 8/19![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Sat 10/36:25 am -
2 stops11h 06m
Deal found 8/19![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/112:54 pm -
1 stop22h 22m
Deal found 8/17![Breeze Airways logo]()
$151
This Southwest deal was found by Cheapflights users on 8/17. 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 9/112:30 pm -
1 stop5h 40m
Deal found 8/17![Southwest logo]()
$156
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:25 pm -
1 stop7h 32m
Deal found 8/21![Delta logo]()
$161
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
2 stops9h 59m
Deal found 8/20![United Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/16:25 am -
2 stops28h 51m
Deal found 8/17![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/165:54 pm -
3 stops36h 51m
Deal found 8/17![Multiple Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 9/1610:11 am -
1 stop9h 04m
Deal found 8/17![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 9/33:45 pm -
2 stops49h 21m
Deal found 8/19![Multiple Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 8/16. 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 11/262:55 pm -
2 stops16h 10m
Deal found 8/16![Southwest logo]()
$185
Find flight deals from San Diego to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Louisville (SDF). 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 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $308 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | October |
Cheapest in | April |
Average price | $428 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Diego to Louisville 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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from San Diego to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Fri 10/2
10:56 am-9:59 pm
1 stop8h 03m
Louisville Intl
Mon 10/5
5:50 pm-10:06 pm
1 stop7h 16m
$334
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Fri 9/25
10:40 pm-10:10 am
1 stop8h 30m
Louisville Intl
Wed 9/30
6:45 pm-10:40 pm
1 stop6h 55m
$334
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Fri 10/9
10:40 pm-10:20 am
1 stop8h 40m
Louisville Intl
Thu 10/15
3:30 pm-11:55 pm
1 stop11h 25m
$339
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Sat 10/10
9:50 pm-9:55 am
1 stop9h 05m
Louisville Intl
Tue 10/20
3:00 pm-9:20 pm
2 stops9h 20m
$369
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Tue 10/6
6:30 am-3:15 pm
1 stop5h 45m
Louisville Intl
Wed 10/14
4:00 pm-10:00 pm
2 stops9h 00m
$372
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Thu 9/17
10:46 pm-9:43 am
1 stop7h 57m
Louisville Intl
Sun 9/20
2:41 pm-9:30 pm
1 stop9h 49m
$419
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Sat 10/3
8:45 am-11:59 pm
2 stops12h 14m
Louisville Intl
Wed 10/7
5:15 am-11:35 am
2 stops9h 20m
$431
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Thu 9/10
6:15 am-10:29 pm
2 stops13h 14m
Louisville Intl
Mon 9/14
11:00 am-8:02 pm
2 stops12h 02m
$431
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Fri 10/2
7:41 pm-1:15 pm
2 stops14h 34m
Louisville Intl
Mon 10/5
2:12 pm-8:29 pm
1 stop9h 17m
$439
San DiegoLouisville
SAN San Diego - SDF Louisville Intl
SANSDF
San Diego
Fri 9/18
6:28 pm-9:54 am
2 stops12h 26m
Louisville Intl
Mon 9/21
5:15 am-9:32 am
1 stop7h 17m
$439
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from San Diego to Louisville
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 San Diego to Louisville in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on San Diego-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Louisville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-Louisville 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 San Diego-Louisville 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 San Diego to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from San Diego with our price prediction graph.
SAN-SDF
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 San Diego to Louisville
What is the cheapest month to book a flight from San Diego to Louisville?
Currently, April is the cheapest month in which you can book a flight from San Diego to Louisville (average of $383). Flying from San Diego to Louisville in October is currently the most expensive (average of $626). 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 San Diego to Louisville?
Airfare is below average for this route at the moment.
San Diego to Louisville flights typically cost between $357 and $480 in September.The cheapest round-trip price found within the last 5 days was $308 on Breeze Airways (Sep 1-Sep 5).
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated August 21, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from San Diego to Louisville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from San Diego to Louisville. 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 Louisville?
Book flights to Louisville if you plan to visit one of these locationsCorydon
Shepherdsville
Elizabethtown
Jeffersonville
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Diego to Louisville
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Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Diego to Louisville by cabin class
Find flights from San Diego to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
San Diego and Louisville flights
Browse other San Diego and Louisville flight options. Last updated on August 21, 2026.
Other flights from San Diego
Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Diego to Louisville
Discover the top 4 airlines that operate flights from San Diego to Louisville. 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$508 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$486 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$454 | FlexibilityNo cancel fee | On-time69% |