| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option Austin San Diego | Outbound 11/09/25 direct F91877 03h 06min | Return 12/07/25 direct F91878 02h 54min |  Frontier Airlines |  | $70 | ||
| Austin San Diego | Outbound 11/09/25 1 Stopover (DEN) F91815, F92817 07h 17min | Return 12/07/25 direct F91878 02h 54min | Frontier Airlines |  | $121 | ||
| Austin San Diego | Outbound 11/09/25 direct F91877 03h 06min | Return 12/07/25 direct F91878 02h 54min | Frontier Airlines |  | $131 | ||
| Austin San Diego | Outbound 11/09/25 1 Stopover (LAS) F93645, F91469 19h 33min | Return 12/07/25 direct F91878 02h 54min | Frontier Airlines |  | ? | $157 | |
| Austin San Diego | Outbound 10/25/25 1 Stopover (PHX) AA2715, AA3270 06h 30min | Return 11/15/25 1 Stopover (DFW) AA3227, AA2610 06h 26min |  American Airlines |  | ? | $185 | |
| Austin San Diego | Outbound 11/09/25 1 Stopover (SEA) AS0595, AS0621 09h 47min | Return 12/07/25 direct F91878 02h 54min |  Alaska Airlines |  | ? | $186 | |
| Austin San Diego | Outbound 10/25/25 1 Stopover (LAS) F94683, F91465 08h 51min | Return 11/15/25 1 Stopover (DEN) F94990, F91816 13h 32min | Frontier Airlines | | ? | $205 | |
| Austin San Diego | Outbound 10/25/25 direct HA4767 03h 16min | Return 11/15/25 direct HA6493 03h 03min |  Hawaiian Airlines | | $213 | ||
| Austin San Diego | Outbound 10/25/25 1 Stopover (LAS) F94683, F91465 08h 51min | Return 11/15/25 direct AS3300 03h 08min | Frontier Airlines | | $230 | ||
| 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 |
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 %