| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Boston San Diego | Outbound 08/14/25 1 Stopover (DTW) NK2328, NK3894 27h 20min | Return 09/11/25 1 Stopover (DTW) NK3895, NK2329 29h 30min |  Spirit Airlines |  | $186 | ||
| Best option Boston San Diego | Outbound 06/18/25 direct B60619 06h 09min | Return 07/15/25 direct B62120 05h 39min |  JetBlue Airways |  | ? | $256 | |
| Boston San Diego | Outbound 08/19/25 direct B60319 06h 18min | Return 09/02/25 direct B62120 05h 39min | JetBlue Airways | | ? | $270 | |
| Boston San Diego | Outbound 06/08/25 direct B60919 06h 21min | Return 06/29/25 1 Stopover (ORD) AA2065, AA3133 09h 11min | JetBlue Airways |  | ? | $275 | |
| Boston San Diego | Outbound 06/18/25 direct AS0389 06h 15min | Return 07/15/25 direct AS0259 05h 45min |  Alaska Airlines |  | ? | $279 | |
| Boston San Diego | Outbound 06/08/25 direct AS0389 06h 21min | Return 06/29/25 direct AS0259 05h 45min | Alaska Airlines |  | ? | $288 | |
| Boston San Diego | Outbound 08/19/25 direct AS0389 06h 15min | Return 09/02/25 direct B62120 05h 39min | Alaska Airlines | | ? | $289 | |
| Boston San Diego | Outbound 08/14/25 direct AS0389 06h 15min | Return 09/11/25 direct AS0259 05h 50min | Alaska Airlines |  | $293 | ||
| Boston San Diego | Outbound 08/19/25 direct B60619 06h 09min | Return 09/02/25 direct B62120 05h 39min | JetBlue Airways |  | ? | $295 | |
| Boston San Diego | Outbound 06/18/25 direct HA4821 06h 15min | Return 07/15/25 direct HA6497 05h 45min |  Hawaiian Airlines |  | $297 |
Tips and tricks to help you find cheap flights from Boston to San Diego
Favorite airline: Sun Country Airlines
Most travelers looking for flights on the route from Boston to San Diego decide to book flights with Sun Country Airlines.
Sun Country Airlines
33 %
Spirit Airlines
19 %
United Airlines
15 %