$145+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Mar 28 — Apr 41
1 adult, Economy
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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 February 26, 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 February 26, 2026.
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/2410:35 pm
SAN
- SDF
1 stop9h 57m
American Airlines
Tue 3/3112:07 pm
SDF
- SAN
1 stop11h 13m
American Airlines
Deal found 2/24![American Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Wed 5/61:36 pm
SAN
- SDF
1 stop7h 49m
American Airlines
Tue 5/126:00 am
SDF
- SAN
1 stop11h 18m
American Airlines
Deal found 2/25![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 2/24. 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 4/1411:01 am
SAN
- SDF
1 stop9h 10m
American Airlines
Tue 4/216:00 am
SDF
- SAN
1 stop11h 18m
American Airlines
Deal found 2/24![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/1411:00 am
SAN
- SDF
2 stops8h 30m
United Airlines
Tue 4/219:00 am
SDF
- SAN
1 stop6h 52m
United Airlines
Deal found 2/24![United Airlines logo]()
$326
This American Airlines deal was found by Cheapflights users on 2/25. 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 4/1610:40 pm
SAN
- SDF
1 stop9h 06m
American Airlines
Wed 4/226:00 am
SDF
- SAN
1 stop11h 18m
American Airlines
Deal found 2/25![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 2/24. 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 4/149:35 pm
SAN
- SDF
2 stops9h 15m
Southwest
Tue 4/213:30 pm
SDF
- SAN
2 stops9h 00m
Southwest
Deal found 2/24![Southwest logo]()
$332
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/2310:35 pm
SAN
- SDF
1 stop9h 40m
American Airlines
Mon 3/3012:07 pm
SDF
- SAN
1 stop11h 13m
American Airlines
Deal found 2/23![American Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/86:25 am
SAN
- SDF
2 stops23h 11m
Multiple Airlines
Wed 5/138:06 pm
SDF
- SAN
1 stop18h 18m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 2/25. 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 4/2010:40 pm
SAN
- SDF
1 stop8h 10m
Southwest
Thu 4/232:40 pm
SDF
- SAN
1 stop8h 05m
Southwest
Deal found 2/25![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/258:45 am
SAN
- SDF
2 stops8h 31m
United Airlines
Mon 4/275:00 am
SDF
- SAN
1 stop7h 40m
United Airlines
Deal found 2/24![United Airlines logo]()
$364
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 February 26, 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 February 26, 2026.
This United Airlines deal was found by Cheapflights users on 2/25. 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 4/1411:00 am
SAN
- SDF
2 stops8h 30m
United Airlines
Tue 4/215:00 am
SDF
- SAN
1 stop7h 40m
United Airlines
Deal found 2/25![United Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 2/22. 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 5/199:35 pm
SAN
- SDF
2 stops9h 15m
Southwest
Thu 5/215:25 pm
SDF
- SAN
1 stop8h 30m
Southwest
Deal found 2/22![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 2/25. 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 6/1910:30 pm
SAN
- SDF
1 stop8h 21m
Delta
Thu 6/257:25 pm
SDF
- SAN
1 stop6h 54m
Delta
Deal found 2/25![Delta logo]()
$437
This Southwest deal was found by Cheapflights users on 2/22. 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 7/812:10 pm
SAN
- SDF
2 stops9h 05m
Southwest
Sat 7/112:55 pm
SDF
- SAN
2 stops8h 30m
Southwest
Deal found 2/22![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:37 pm
SAN
- SDF
2 stops9h 48m
United Airlines
Mon 4/273:30 pm
SDF
- SAN
1 stop8h 56m
United Airlines
Deal found 2/22![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 2/25. 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 5/279:35 pm
SAN
- SDF
2 stops9h 20m
Southwest
Sat 5/301:45 pm
SDF
- SAN
2 stops8h 00m
Southwest
Deal found 2/25![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:40 pm
SAN
- SDF
2 stops10h 45m
United Airlines
Sun 4/269:07 am
SDF
- SAN
1 stop16h 52m
United Airlines
Deal found 2/22![United Airlines logo]()
$457
This Southwest deal was found by Cheapflights users on 2/25. 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 6/1910:40 pm
SAN
- SDF
1 stop8h 20m
Southwest
Thu 6/256:05 pm
SDF
- SAN
2 stops8h 00m
Southwest
Deal found 2/25![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 2/23. 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 4/3010:40 pm
SAN
- SDF
1 stop7h 45m
United Airlines
Mon 5/45:40 am
SDF
- SAN
1 stop7h 02m
United Airlines
Deal found 2/23![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 2/25. 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 7/910:40 pm
SAN
- SDF
1 stop8h 25m
Southwest
Sun 7/126:30 am
SDF
- SAN
1 stop7h 10m
Southwest
Deal found 2/25![Southwest logo]()
$478
This Southwest deal was found by Cheapflights users on 2/23. 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 6/2110:40 pm
SAN
- SDF
1 stop10h 20m
Southwest
Sat 6/272:55 pm
SDF
- SAN
2 stops8h 30m
Southwest
Deal found 2/23![Southwest logo]()
$478
Last-minute flights from San Diego to LouisvilleDiscover last-minute flight deals from San Diego to Louisville. Data last updated February 26, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Louisville. Data last updated February 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/23. 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 3/1111:03 am
SAN
- SDF
1 stop8h 10m
United Airlines
Mon 3/163:30 pm
SDF
- SAN
1 stop7h 48m
United Airlines
Deal found 2/23![United Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/121:34 pm
SAN
- SDF
1 stop6h 46m
American Airlines
Wed 3/186:23 pm
SDF
- SAN
1 stop7h 00m
American Airlines
Deal found 2/25![American Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 2/25. 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 3/1910:46 pm
SAN
- SDF
1 stop9h 46m
American Airlines
Sat 3/216:23 pm
SDF
- SAN
1 stop7h 00m
American Airlines
Deal found 2/25![American Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Fri 3/2010:35 pm
SAN
- SDF
1 stop9h 25m
American Airlines
Sat 3/216:23 pm
SDF
- SAN
1 stop7h 00m
American Airlines
Deal found 2/25![American Airlines logo]()
$497
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/2310:35 pm
SAN
- SDF
1 stop9h 40m
American Airlines
Mon 3/3012:07 pm
SDF
- SAN
1 stop11h 13m
American Airlines
Deal found 2/23![American Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/2310:35 pm
SAN
- SDF
1 stop9h 40m
American Airlines
Sat 3/286:00 am
SDF
- SAN
1 stop6h 58m
American Airlines
Deal found 2/23![American Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 2/23. 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 3/239:35 pm
SAN
- SDF
2 stops14h 35m
Southwest
Sat 3/283:35 pm
SDF
- SAN
1 stop8h 50m
Southwest
Deal found 2/23![Southwest logo]()
$478
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/2410:35 pm
SAN
- SDF
1 stop9h 57m
American Airlines
Tue 3/3112:07 pm
SDF
- SAN
1 stop11h 13m
American Airlines
Deal found 2/24![American Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/24. 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 3/249:55 pm
SAN
- SDF
1 stop8h 33m
Delta
Tue 3/316:15 am
SDF
- SAN
2 stops11h 29m
Delta
Deal found 2/24![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/246:15 am
SAN
- SDF
2 stops12h 44m
United Airlines
Tue 3/313:36 pm
SDF
- SAN
2 stops10h 02m
United Airlines
Deal found 2/24![United Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 2/24. 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 3/246:20 am
SAN
- SDF
2 stops12h 40m
Southwest
Tue 3/316:35 am
SDF
- SAN
2 stops9h 10m
Southwest
Deal found 2/24![Southwest logo]()
$448
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Sun 3/2910:43 pm
SAN
- SDF
1 stop7h 07m
American Airlines
Mon 4/63:33 pm
SDF
- SAN
1 stop8h 34m
American Airlines
Deal found 2/25![American Airlines logo]()
$413
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 February 26, 2026.
Search for one-way flight options from San Diego to Louisville. Find affordable one-way fares based on user searches. Data last updated February 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/712:36 pm
SAN
- SDF
2 stops41h 00m
Multiple Airlines
Deal found 2/23![Multiple Airlines logo]()
$145
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/2410:35 pm
SAN
- SDF
1 stop9h 57m
American Airlines
Deal found 2/24![American Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 2/23. 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 4/71:03 pm
SAN
- SDF
1 stop7h 27m
American Airlines
Deal found 2/23![American Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 2/23. 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 4/79:35 pm
SAN
- SDF
2 stops9h 15m
Southwest
Deal found 2/23![Southwest logo]()
$166
This American Airlines deal was found by Cheapflights users on 2/25. 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.
Sat 4/47:10 am
SAN
- SDF
1 stop7h 27m
American Airlines
Deal found 2/25![American Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/102:08 pm
SAN
- SDF
2 stops19h 13m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/16:25 am
SAN
- SDF
3 stops29h 08m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/1910:46 pm
SAN
- SDF
1 stop9h 46m
American Airlines
Deal found 2/23![American Airlines logo]()
$197
This United Airlines deal was found by Cheapflights users on 2/24. 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 3/246:30 am
SAN
- SDF
2 stops10h 44m
United Airlines
Deal found 2/24![United Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/99:58 pm
SAN
- SDF
2 stops35h 23m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$199
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 February 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (American Airlines) |
One-way from | $145 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $454 |
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 2,558,603 searches. Data last updated February 26, 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
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 4/14
11:00 am-10:30 pm
2 stops8h 30m
Louisville Intl
Tue 4/21
5:00 am-9:40 am
1 stop7h 40m
$326
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 5/19
9:35 pm-9:50 am
2 stops9h 15m
Louisville Intl
Thu 5/21
5:25 pm-10:55 pm
1 stop8h 30m
$403
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Fri 6/19
10:30 pm-9:51 am
1 stop8h 21m
Louisville Intl
Thu 6/25
7:25 pm-11:19 pm
1 stop6h 54m
$437
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 7/8
12:10 pm-12:15 am
2 stops9h 05m
Louisville Intl
Sat 7/11
2:55 pm-8:25 pm
2 stops8h 30m
$447
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 5/27
9:35 pm-9:55 am
2 stops9h 20m
Louisville Intl
Sat 5/30
1:45 pm-6:45 pm
2 stops8h 00m
$447
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Fri 6/19
10:40 pm-10:00 am
1 stop8h 20m
Louisville Intl
Thu 6/25
6:05 pm-11:05 pm
2 stops8h 00m
$452
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 4/23
8:37 pm-9:25 am
2 stops9h 48m
Louisville Intl
Mon 4/27
3:30 pm-9:26 pm
1 stop8h 56m
$454
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 4/22
7:40 pm-9:25 am
2 stops10h 45m
Louisville Intl
Sun 4/26
9:07 am-10:59 pm
1 stop16h 52m
$457
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 4/30
10:40 pm-9:25 am
1 stop7h 45m
Louisville Intl
Mon 5/4
5:40 am-9:42 am
1 stop7h 02m
$468
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 7/9
10:40 pm-10:05 am
1 stop8h 25m
Louisville Intl
Sun 7/12
6:30 am-10:40 am
1 stop7h 10m
$478
Showing 1-10 of 23 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 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 | |
| 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
How far ahead should I book a flight from San Diego to Louisville?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Louisville. Price data was last updated on February 20, 2026.
Booking 11 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Louisville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Diego to Louisville?
Currently, June is the cheapest month in which you can book a flight from San Diego to Louisville (average of $71). Flying from San Diego to Louisville in April is currently the most expensive (average of $237). 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 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 February 26, 2026.
See what other customers who have flown with Southwest, Delta, and United 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.
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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 locationsShepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown
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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 February 26, 2026.
San Diego and Louisville flights
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Top 5 airlines flying from San Diego to Louisville
Discover the top 5 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 2,558,603 searches. Data last updated February 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$210 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$242 | Average$424 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$522 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$376 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$454 | FlexibilityNo cancel fee | On-time69% |