| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| Best option San Diego Boston | Outbound 10/21/25 direct DL0476 05h 38min | Return 11/06/25 direct DL0571 06h 19min |  Delta Air Lines |  | ? | $301 | |
| San Diego Boston | Outbound 02/03/26 1 Stopover (ORD) AA1494, AA4650 12h 38min | Return 02/25/26 1 Stopover (ORD) AA3939, AA1543 12h 54min |  American Airlines | | ? | $307 | |
| San Diego Boston | Outbound 10/21/25 direct B62120 05h 39min | Return 11/06/25 direct AS0389 06h 39min |  JetBlue Airways |  | ? | $312 | |
| San Diego Boston | Outbound 02/03/26 direct AS0390 05h 54min | Return 02/25/26 direct AS0389 06h 24min |  Alaska Airlines |  | ? | $313 | |
| San Diego Boston | Outbound 10/21/25 direct AS0390 05h 55min | Return 11/06/25 3 Stopovers (CLE, ATL, LAS) F94833, F94209, F93923, F91325 38h 28min | Alaska Airlines |  | ? | $330 | |
| San Diego Boston | Outbound 10/21/25 direct AS0390 05h 55min | Return 11/06/25 direct AS0389 06h 39min | Alaska Airlines |  | $332 | ||
| San Diego Boston | Outbound 10/21/25 direct DL0476 05h 38min | Return 11/06/25 direct DL0571 06h 19min | Delta Air Lines |  | ? | $333 | |
| San Diego Boston | Outbound 10/21/25 direct HA6498 05h 55min | Return 11/06/25 direct HA4821 06h 39min |  Hawaiian Airlines |  | $337 | ||
| San Diego Boston | Outbound 02/03/26 direct AS0390 05h 54min | Return 02/25/26 direct HA4821 06h 24min | Alaska Airlines | | $342 | ||
| San Diego Boston | Outbound 02/03/26 1 Stopover (SEA) AS0685, AS0460 09h 29min | Return 02/25/26 direct AS0389 06h 24min | Alaska Airlines | | $347 |
Tips and tricks to help you find cheap flights from San Diego to Boston
Favorite airline: Spirit Airlines
The most popular airline for flights from San Diego to Boston is Spirit Airlines.
Spirit Airlines
39 %
Alaska Airlines
21 %
Delta
18 %