$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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Mar 13 — Mar 201
1 adult, Economy
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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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Best
Last-minute
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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 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 February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 6/212:54 pm
SAN
- SDF
1 stop16h 42m
Breeze Airways
Sat 6/68:06 pm
SDF
- SAN
1 stop18h 18m
Breeze Airways
Deal found 2/10![Breeze Airways logo]()
$314
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 5/66:40 am
SAN
- SDF
1 stop9h 22m
American Airlines
Tue 5/128:36 am
SDF
- SAN
1 stop8h 42m
American Airlines
Deal found 2/10![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/11. 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 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 03m
American Airlines
Wed 4/227:37 am
SDF
- SAN
1 stop9h 28m
American Airlines
Deal found 2/11![American Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:20 pm
SAN
- SDF
2 stops9h 35m
Southwest
Wed 3/184:30 pm
SDF
- SAN
1 stop9h 35m
Southwest
Deal found 2/9![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:20 pm
SAN
- SDF
2 stops10h 10m
Southwest
Sat 3/283:00 pm
SDF
- SAN
2 stops9h 00m
Southwest
Deal found 2/10![Southwest logo]()
$350
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:45 pm
SAN
- SDF
1 stop7h 55m
Southwest
Mon 3/166:15 pm
SDF
- SAN
1 stop7h 55m
Southwest
Deal found 2/9![Southwest logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 4/273:30 pm
SDF
- SAN
1 stop7h 35m
United Airlines
Deal found 2/9![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:18 pm
SAN
- SDF
1 stop6h 40m
American Airlines
Sun 3/155:00 am
SDF
- SAN
1 stop9h 17m
American Airlines
Deal found 2/9![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2010:55 am
SAN
- SDF
2 stops8h 35m
United Airlines
Sun 5/245:35 am
SDF
- SAN
1 stop6h 58m
United Airlines
Deal found 2/11![United Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 6/26:54 pm
SAN
- SDF
2 stops13h 36m
Multiple Airlines
Sat 6/68:06 pm
SDF
- SAN
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:54 am
SAN
- SDF
1 stop6h 24m
Delta
Mon 4/206:07 pm
SDF
- SAN
1 stop7h 59m
Delta
Deal found 2/9![Delta logo]()
$398
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 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 February 11, 2026.
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:04 pm
SAN
- SDF
1 stop6h 07m
American Airlines
Tue 5/128:36 am
SDF
- SAN
1 stop8h 42m
American Airlines
Deal found 2/9![American Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:40 pm
SAN
- SDF
1 stop9h 30m
Southwest
Sat 3/2811:55 am
SDF
- SAN
1 stop11h 35m
Southwest
Deal found 2/10![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1810:30 pm
SAN
- SDF
1 stop7h 22m
Delta
Mon 4/205:36 pm
SDF
- SAN
1 stop8h 49m
Delta
Deal found 2/8![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:30 pm
SAN
- SDF
1 stop7h 55m
United Airlines
Mon 4/205:43 pm
SDF
- SAN
1 stop8h 16m
United Airlines
Deal found 2/8![United Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 6/26:54 pm
SAN
- SDF
2 stops13h 36m
Multiple Airlines
Sat 6/68:06 pm
SDF
- SAN
1 stop18h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 03m
American Airlines
Wed 4/225:38 pm
SDF
- SAN
1 stop7h 22m
American Airlines
Deal found 2/9![American Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:20 pm
SAN
- SDF
2 stops9h 35m
Southwest
Wed 3/184:30 pm
SDF
- SAN
1 stop9h 35m
Southwest
Deal found 2/9![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 4/273:30 pm
SDF
- SAN
1 stop7h 35m
United Airlines
Deal found 2/9![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:54 am
SAN
- SDF
1 stop6h 20m
Delta
Sun 4/267:25 pm
SDF
- SAN
1 stop7h 13m
Delta
Deal found 2/8![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:18 pm
SAN
- SDF
1 stop6h 40m
American Airlines
Sun 3/155:00 am
SDF
- SAN
1 stop9h 17m
American Airlines
Deal found 2/9![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:20 am
SAN
- SDF
1 stop7h 21m
United Airlines
Mon 4/205:43 pm
SDF
- SAN
1 stop8h 16m
United Airlines
Deal found 2/8![United Airlines logo]()
$398
Last-minute flights from San Diego to LouisvilleDiscover last-minute flight deals from San Diego to Louisville. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Diego to Louisville. Data last updated February 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:35 am
SAN
- SDF
1 stop9h 51m
Alaska Airlines
Wed 3/412:07 pm
SDF
- SAN
1 stop8h 45m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:16 pm
SAN
- SDF
1 stop6h 30m
United Airlines
Wed 3/43:15 pm
SDF
- SAN
2 stops11h 25m
United Airlines
Deal found 2/9![United Airlines logo]()
$416
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:45 pm
SAN
- SDF
1 stop7h 45m
Southwest
Wed 3/185:00 pm
SDF
- SAN
1 stop8h 05m
Southwest
Deal found 2/9![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/112:18 pm
SAN
- SDF
1 stop6h 40m
American Airlines
Sun 3/155:00 am
SDF
- SAN
1 stop9h 17m
American Airlines
Deal found 2/9![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:20 pm
SAN
- SDF
2 stops9h 35m
Southwest
Sun 3/155:25 pm
SDF
- SAN
1 stop8h 20m
Southwest
Deal found 2/9![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:45 pm
SAN
- SDF
1 stop7h 55m
Southwest
Mon 3/166:15 pm
SDF
- SAN
1 stop7h 55m
Southwest
Deal found 2/9![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:40 pm
SAN
- SDF
1 stop9h 30m
Southwest
Sat 3/2811:55 am
SDF
- SAN
1 stop11h 35m
Southwest
Deal found 2/10![Southwest logo]()
$340
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 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 February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:18 pm
SAN
- SDF
2 stops36h 03m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$134
This United Airlines deal was found by Cheapflights users on 2/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:10 pm
SAN
- SDF
1 stop6h 49m
United Airlines
Deal found 2/11![United Airlines logo]()
$161
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/910:35 pm
SAN
- SDF
1 stop9h 57m
American Airlines
Deal found 2/8![American Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/126:45 am
SAN
- SDF
2 stops50h 02m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:40 pm
SAN
- SDF
1 stop9h 03m
American Airlines
Deal found 2/9![American Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Sun 3/18:20 pm
SAN
- SDF
3 stops39h 18m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/112:09 pm
SAN
- SDF
1 stop9h 18m
American Airlines
Deal found 2/10![American Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 2/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:20 am
SAN
- SDF
2 stops9h 10m
Southwest
Deal found 2/10![Southwest logo]()
$314
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:32 pm
SAN
- SDF
2 stops10h 13m
United Airlines
Deal found 2/9![United Airlines logo]()
$318
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $314 (Kiwi.com) |
One-way from | $134 (Kiwi.com) |
Popular in | May |
Cheapest in | November |
Average price | $447 |
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 11, 2026.
Use the filters below to find and compare flights from San Diego to Louisville that are best for you.
Fly from
San Diego
Fly to
Louisville
Route
Depart
Return
Price
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 5/6
2:04 pm-11:11 pm
1 stop6h 07m
Louisville Intl
Tue 5/12
8:36 am-2:18 pm
1 stop8h 42m
$321
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 3/24
10:40 pm-11:10 am
1 stop9h 30m
Louisville Intl
Sat 3/28
11:55 am-8:30 pm
1 stop11h 35m
$340
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 4/16
10:40 pm-10:43 am
1 stop9h 03m
Louisville Intl
Wed 4/22
5:38 pm-10:00 pm
1 stop7h 22m
$340
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 3/11
9:20 pm-9:55 am
2 stops9h 35m
Louisville Intl
Wed 3/18
4:30 pm-11:05 pm
1 stop9h 35m
$345
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Sat 4/18
10:30 pm-8:52 am
1 stop7h 22m
Louisville Intl
Mon 4/20
5:36 pm-11:25 pm
1 stop8h 49m
$359
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 4/16
10:30 pm-9:25 am
1 stop7h 55m
Louisville Intl
Mon 4/20
5:43 pm-10:59 pm
1 stop8h 16m
$359
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Sat 4/25
8:45 am-8:16 pm
2 stops8h 31m
Louisville Intl
Mon 4/27
3:30 pm-8:05 pm
1 stop7h 35m
$364
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 3/11
2:18 pm-11:58 pm
1 stop6h 40m
Louisville Intl
Sun 3/15
5:00 am-11:17 am
1 stop9h 17m
$379
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 6/2
6:54 pm-11:30 am
2 stops13h 36m
Louisville Intl
Sat 6/6
8:06 pm-11:24 am
1 stop18h 18m
$385
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Sat 4/25
11:54 am-9:14 pm
1 stop6h 20m
Louisville Intl
Sun 4/26
7:25 pm-11:38 pm
1 stop7h 13m
$398
Showing 1-10 of 20 results
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 6, 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 11, 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
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Overall
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
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.
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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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$91 | Average$210 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$242 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$255 | Average$514 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$393 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$280 | Average$519 | FlexibilityNo cancel fee | On-time69% |