Earn point on your loyalty program!arrow arc left

Cheap flights from Louisville (SDF) to San Diego (SAN)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)

How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Louisville to San Diego in December 2025 , January 2026

24 Dec - 06 Jan $ 451.00
SDF
Louisville
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
SDF
Louisville
Pick dates
25 Dec - 07 Jan $ 646.00
SDF
Louisville
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
SDF
Louisville
Pick dates
26 Dec - 01 Jan $ 1,132.00
SDF
Louisville
Alaska Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
Alaska Airlines
1 STOPS
SDF
Louisville
Pick dates

Last minute flights from Louisville to San Diego

26 Dec - 31 Dec $ 675.00
SDF
Louisville
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
SDF
Louisville
Pick dates
26 Dec - 31 Dec $ 675.00
SDF
Louisville
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
SDF
Louisville
Pick dates
26 Dec - 31 Dec $ 799.00
SDF
Louisville
United Airlines
1 STOPS
SAN
San Diego
SAN
San Diego
United Airlines
1 STOPS
SDF
Louisville
Pick dates

One-way flights to San Diego from Louisville

6:00 AM - 9:30 AM
United Airlines
1 Stops
8h 5m
SDF - SAN
$ 211
Kiwi
Pick dates
3:18 PM - 7:15 PM
United Airlines
1 Stops
8h 29m
SDF - SAN
$ 211
Kiwi
Pick dates
5:40 AM - 7:10 AM
United Airlines
1 Stops
7h 4m
SDF - SAN
$ 291
Kiwi
Pick dates

How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Louisville (SDF) to San Diego (SAN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.