| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option San Francisco San Diego | Outbound 07/25/25 direct AS0912 01h 42min | Return 08/17/25 direct AS3343 01h 39min |  Alaska Airlines |  | ? | $141 | |
| San Francisco San Diego | Outbound 09/19/25 2 Stopovers (MSP, LAS) SY0396, SY0103, NK3791 19h 53min | Return 09/29/25 1 Stopover (MSP) SY0408, SY0393 18h 11min |   Sun Country Airlines, Spirit Airlines |  | $371 | ||
| San Francisco San Diego | Outbound 07/25/25 direct AS0912 01h 42min | Return 08/17/25 direct AS3463 01h 45min | Alaska Airlines |  | ? | $145 | |
| San Francisco San Diego | Outbound 07/25/25 direct AS0912 01h 42min | Return 08/17/25 direct HA6544 01h 45min | Alaska Airlines |  | $150 | ||
| San Francisco San Diego | Outbound 07/25/25 direct UA1074 01h 34min | Return 08/17/25 direct UA2863 01h 38min |  United Airlines |  | ? | $161 | |
| San Francisco San Diego | Outbound 09/19/25 direct AS3490 01h 44min | Return 09/29/25 direct AS3376 01h 39min | Alaska Airlines | | ? | $175 | |
| San Francisco San Diego | Outbound 09/19/25 direct UA1074 01h 38min | Return 09/29/25 direct UA1871 01h 37min | United Airlines | | ? | $177 | |
| San Francisco San Diego | Outbound 09/19/25 direct AS3490 01h 44min | Return 09/29/25 direct HA6543 01h 39min | Alaska Airlines | | $182 | ||
| San Francisco San Diego | Outbound 07/25/25 direct F94306 01h 38min | Return 08/17/25 direct F93383 01h 43min |  Frontier Airlines |  | $221 | ||
| San Francisco San Diego | Outbound 07/25/25 direct F94306 01h 38min | Return 08/17/25 direct F93383 01h 43min | Frontier Airlines | | $232 |
Tips and tricks to help you find cheap flights from San Francisco to San Diego
Favorite airline: United Airlines
78 % of travelers choose to book flights on this route with United Airlines, Alaska Airlines and Frontier Airlines.
United Airlines
32 %
Alaska Airlines
27 %
Frontier Airlines
19 %