| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Austin San Diego | Outbound 02/13/26 1 Stopover (LAX) DL1584, DL3746 05h 20min | Return 02/26/26 1 Stopover (LAX) DL4018, DL0986 06h 37min |  Delta Air Lines |  | ? | $271 | |
| Best option Austin San Diego | Outbound 04/03/26 direct HA4773 03h 10min | Return 04/16/26 direct HA6493 02h 58min |  Hawaiian Airlines | | ? | $280 | |
| Austin San Diego | Outbound 04/03/26 direct AS3032 03h 15min | Return 04/16/26 direct AS3292 02h 58min |  Alaska Airlines |  | $287 | ||
| Austin San Diego | Outbound 04/03/26 direct AS3032 03h 15min | Return 04/16/26 direct AS3292 02h 58min | Alaska Airlines |  | ? | $297 | |
| Austin San Diego | Outbound 02/13/26 direct F91877 03h 13min | Return 02/26/26 direct AS3031 02h 59min |  Frontier Airlines | | $298 | ||
| Austin San Diego | Outbound 02/13/26 direct F91877 03h 13min | Return 02/26/26 direct HA7266 02h 59min | Frontier Airlines |  | $314 | ||
| Austin San Diego | Outbound 02/13/26 direct F91877 03h 13min | Return 02/26/26 1 Stopover (SEA) AS0574, AS0461 09h 50min | Frontier Airlines |  | ? | $319 | |
| Austin San Diego | Outbound 02/13/26 direct F91877 03h 13min | Return 02/26/26 1 Stopover (DEN) F92818, F92890 15h 49min | Frontier Airlines |  | $343 | ||
| Austin San Diego | Outbound 02/13/26 1 Stopover (IAH) UA1326, UA1911 06h 10min | Return 02/26/26 1 Stopover (IAH) UA1458, UA1179 05h 35min |  United Airlines | | ? | $356 | |
| Austin San Diego | Outbound 04/03/26 direct AS3293 03h 17min | Return 04/16/26 direct AS3292 02h 58min | Alaska Airlines |  | ? | $363 |
Tips and tricks to help you find cheap flights from Austin to San Diego
Favorite airline: Alaska Airlines
73 % of flights booked on the route from Austin to San Diego are booked with Alaska Airlines, Frontier Airlines and Spirit Airlines.
Alaska Airlines
32 %
Frontier Airlines
23 %
Spirit Airlines
18 %