$165+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Jun 10 — Jun 171
Round-trip
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 May 11, 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 May 11, 2026.
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/810:40 pm
SAN
- SDF
1 stop8h 25m
Southwest
Tue 7/1412:40 pm
SDF
- SAN
1 stop10h 30m
Southwest
Deal found 5/9![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 5/7. 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.
Mon 6/110:40 pm
SAN
- SDF
1 stop8h 10m
Southwest
Thu 6/46:05 pm
SDF
- SAN
1 stop7h 20m
Southwest
Deal found 5/7![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:53 pm
SAN
- SDF
1 stop7h 12m
United Airlines
Mon 9/285:35 am
SDF
- SAN
1 stop8h 47m
United Airlines
Deal found 5/8![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/41:23 pm
SAN
- SDF
1 stop8h 05m
American Airlines
Tue 6/97:18 pm
SDF
- SAN
1 stop7h 30m
American Airlines
Deal found 5/10![American Airlines logo]()
$342
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:45 pm
SAN
- SDF
1 stop8h 21m
American Airlines
Wed 7/87:49 pm
SDF
- SAN
1 stop7h 10m
American Airlines
Deal found 5/9![American Airlines logo]()
$367
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/310:45 pm
SAN
- SDF
1 stop8h 48m
American Airlines
Tue 7/77:10 pm
SDF
- SAN
1 stop7h 16m
American Airlines
Deal found 5/9![American Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:54 am
SAN
- SDF
1 stop6h 06m
American Airlines
Wed 6/171:21 pm
SDF
- SAN
1 stop8h 58m
American Airlines
Deal found 5/7![American Airlines logo]()
$377
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:33 am
SAN
- SDF
1 stop6h 45m
Delta
Mon 6/17:49 pm
SDF
- SAN
1 stop6h 52m
Delta
Deal found 5/9![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 5/7. 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 6/910:40 pm
SAN
- SDF
1 stop10h 25m
Southwest
Wed 6/175:35 am
SDF
- SAN
2 stops11h 40m
Southwest
Deal found 5/7![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/7. 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 8/42:00 pm
SAN
- SDF
1 stop6h 59m
United Airlines
Mon 8/107:19 am
SDF
- SAN
1 stop7h 02m
United Airlines
Deal found 5/7![United Airlines logo]()
$393
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 May 11, 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 May 11, 2026.
This Southwest deal was found by Cheapflights users on 5/7. 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.
Mon 6/110:40 pm
SAN
- SDF
1 stop8h 10m
Southwest
Thu 6/46:05 pm
SDF
- SAN
1 stop7h 20m
Southwest
Deal found 5/7![Southwest logo]()
$333
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:30 pm
SAN
- SDF
1 stop8h 15m
United Airlines
Sun 11/19:00 am
SDF
- SAN
1 stop6h 38m
United Airlines
Deal found 5/9![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 5/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:40 pm
SAN
- SDF
1 stop9h 13m
Delta
Sun 9/207:25 pm
SDF
- SAN
1 stop6h 54m
Delta
Deal found 5/6![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 5/11. 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 8/51:15 pm
SAN
- SDF
1 stop6h 45m
Southwest
Sun 8/93:35 pm
SDF
- SAN
1 stop7h 40m
Southwest
Deal found 5/11![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 5/10. 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 9/110:11 am
SAN
- SDF
1 stop9h 04m
United Airlines
Wed 9/29:00 am
SDF
- SAN
2 stops11h 26m
United Airlines
Deal found 5/10![United Airlines logo]()
$434
This Southwest deal was found by Cheapflights users on 5/8. 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.
Thu 7/910:40 pm
SAN
- SDF
1 stop8h 25m
Southwest
Thu 8/133:05 pm
SDF
- SAN
1 stop10h 40m
Southwest
Deal found 5/8![Southwest logo]()
$395
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:45 am
SAN
- SDF
2 stops9h 10m
Southwest
Sun 11/15:05 am
SDF
- SAN
1 stop6h 50m
Southwest
Deal found 5/9![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/26:40 am
SAN
- SDF
1 stop7h 23m
United Airlines
Wed 6/310:02 am
SDF
- SAN
2 stops12h 49m
United Airlines
Deal found 5/7![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 5/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/110:00 am
SAN
- SDF
2 stops8h 40m
Southwest
Tue 8/1110:50 am
SDF
- SAN
2 stops8h 05m
Southwest
Deal found 5/9![Southwest logo]()
$403
Last-minute flights from San Diego to LouisvilleDiscover last-minute flight deals from San Diego to Louisville. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Louisville. Data last updated May 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 5/2312:29 pm
SAN
- SDF
2 stops26h 46m
Breeze Airways
Thu 6/46:55 pm
SDF
- SAN
1 stop19h 53m
Breeze Airways
Deal found 5/10![Breeze Airways logo]()
$410
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:33 am
SAN
- SDF
1 stop6h 45m
Delta
Mon 6/17:49 pm
SDF
- SAN
1 stop6h 52m
Delta
Deal found 5/9![Delta logo]()
$381
This Southwest deal was found by Cheapflights users on 5/7. 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.
Mon 6/110:40 pm
SAN
- SDF
1 stop8h 10m
Southwest
Thu 6/46:05 pm
SDF
- SAN
1 stop7h 20m
Southwest
Deal found 5/7![Southwest logo]()
$333
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/41:23 pm
SAN
- SDF
1 stop8h 05m
American Airlines
Tue 6/97:18 pm
SDF
- SAN
1 stop7h 30m
American Airlines
Deal found 5/10![American Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Thu 6/49:43 am
SAN
- SDF
2 stops21h 12m
Multiple Airlines
Mon 6/89:31 am
SDF
- SAN
1 stop17h 13m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:15 am
SAN
- SDF
1 stop8h 45m
American Airlines
Fri 6/126:02 pm
SDF
- SAN
1 stop7h 37m
American Airlines
Deal found 5/7![American Airlines logo]()
$395
This Southwest deal was found by Cheapflights users on 5/7. 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.
Sat 6/69:40 pm
SAN
- SDF
2 stops9h 35m
Southwest
Fri 6/126:05 pm
SDF
- SAN
1 stop7h 20m
Southwest
Deal found 5/7![Southwest logo]()
$400
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:45 pm
SAN
- SDF
1 stop8h 50m
American Airlines
Sun 6/147:18 pm
SDF
- SAN
1 stop7h 30m
American Airlines
Deal found 5/9![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/99:54 am
SAN
- SDF
1 stop6h 06m
American Airlines
Wed 6/171:21 pm
SDF
- SAN
1 stop8h 58m
American Airlines
Deal found 5/7![American Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 5/7. 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 6/910:40 pm
SAN
- SDF
1 stop10h 25m
Southwest
Wed 6/175:35 am
SDF
- SAN
2 stops11h 40m
Southwest
Deal found 5/7![Southwest logo]()
$385
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 May 11, 2026.
Search for one-way flight options from San Diego to Louisville. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This American Airlines deal was found by Cheapflights users on 5/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:59 am
SAN
- SDF
1 stop9h 20m
American Airlines
Deal found 5/9![American Airlines logo]()
$165
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 9/2311:00 pm
SAN
- SDF
1 stop7h 01m
American Airlines
Deal found 5/8![American Airlines logo]()
$176
This American Airlines deal was found by Cheapflights users on 5/10. 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 6/47:15 am
SAN
- SDF
1 stop8h 45m
American Airlines
Deal found 5/10![American Airlines logo]()
$178
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:45 pm
SAN
- SDF
1 stop8h 50m
American Airlines
Deal found 5/7![American Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 5/278:05 am
SAN
- SDF
1 stop6h 27m
American Airlines
Deal found 5/8![American Airlines logo]()
$211
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:45 pm
SAN
- SDF
1 stop9h 38m
United Airlines
Deal found 5/9![United Airlines logo]()
$215
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:49 am
SAN
- SDF
2 stops8h 25m
United Airlines
Deal found 5/8![United Airlines logo]()
$216
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:00 am
SAN
- SDF
2 stops11h 22m
United Airlines
Deal found 5/8![United Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 6/119:43 am
SAN
- SDF
2 stops21h 12m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 6/226:25 am
SAN
- SDF
3 stops50h 05m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Fri 6/1210:40 pm
SAN
- SDF
1 stop7h 46m
United Airlines
Deal found 5/6![United Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/1510:04 am
SAN
- SDF
3 stops46h 26m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$232
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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Southwest) |
One-way from | $165 (American Airlines) |
Popular in | May |
Cheapest in | November |
Average price | $686 |
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 May 11, 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 - SDF
SANSDF
San Diego
Mon 6/1
10:40 pm-9:50 am
1 stop8h 10m
Louisville Intl
Thu 6/4
6:05 pm-10:25 pm
1 stop7h 20m
$333
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 10/28
10:30 pm-9:45 am
1 stop8h 15m
Louisville Intl
Sun 11/1
9:00 am-12:38 pm
1 stop6h 38m
$393
Quickest round-trip
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 8/5
1:15 pm-11:00 pm
1 stop6h 45m
Louisville Intl
Sun 8/9
3:35 pm-8:15 pm
1 stop7h 40m
$393
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 9/17
9:40 pm-9:53 am
1 stop9h 13m
Louisville Intl
Sun 9/20
7:25 pm-11:19 pm
1 stop6h 54m
$395
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 7/9
10:40 pm-10:05 am
1 stop8h 25m
Louisville Intl
Thu 8/13
3:05 pm-10:45 pm
1 stop10h 40m
$395
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 10/28
8:45 am-8:55 pm
2 stops9h 10m
Louisville Intl
Sun 11/1
5:05 am-8:55 am
1 stop6h 50m
$398
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Sat 8/1
10:00 am-9:40 pm
2 stops8h 40m
Louisville Intl
Tue 8/11
10:50 am-3:55 pm
2 stops8h 05m
$403
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 9/1
10:11 am-10:15 pm
1 stop9h 04m
Louisville Intl
Wed 9/2
9:00 am-5:26 pm
2 stops11h 26m
$434
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 6/2
6:40 am-5:03 pm
1 stop7h 23m
Louisville Intl
Wed 6/3
10:02 am-7:51 pm
2 stops12h 49m
$441
Cheapest one-way
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 7/1
10:40 pm-10:05 am
1 stop8h 25m
$165
Showing 1-10 of 20 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 May.
| 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
What is the cheapest month to book a flight from San Diego to Louisville?
Currently, November is the cheapest month in which you can book a flight from San Diego to Louisville (average of $333). Flying from San Diego to Louisville in May is currently the most expensive (average of $686). 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?
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 May 11, 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
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
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
Elizabethtown
Corydon
Jeffersonville
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 May 11, 2026.
San Diego and Louisville flights
Browse other San Diego and Louisville flight options. Last updated on May 11, 2026.
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Browse through other flights departing from San Diego. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$210 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$242 | Average$449 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$448 | FlexibilityNo cancel fee | On-time69% |