| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (LAS) F93641, F91465 24h 36min | Return 12/31/24 1 Stopover (LAS) F91470, F92018 11h 38min |  Frontier Airlines |  | $163 | ||
| Best option St. Louis San Diego | Outbound 12/13/24 1 Stopover (DEN) F94567, F94989 07h 03min | Return 12/31/24 1 Stopover (LAS) F91470, F92018 11h 38min | Frontier Airlines |  | $176 | ||
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (LAS) F93641, F91465 24h 36min | Return 12/31/24 1 Stopover (LAS) F91470, F92018 11h 38min | Frontier Airlines |  | $174 | ||
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (LAS) F93641, NK1496 27h 32min | Return 12/31/24 1 Stopover (LAS) F91470, F92018 11h 38min |  Frontier Airlines, Spirit Airlines |  | ? | $219 | |
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (ORD) AA4591, AA1543 10h 58min | Return 12/31/24 1 Stopover (PHX) AA1951, AA0890 05h 31min |  American Airlines |  | ? | $233 | |
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (DEN) UA1337, UA2309 21h 49min | Return 12/31/24 1 Stopover (DEN) UA2270, UA0604 11h 26min |  United Airlines |  | ? | $304 | |
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (IAH) UA0413, UA2486 09h 35min | Return 12/31/24 1 Stopover (DEN) UA2270, UA1315 07h 31min | United Airlines |  | $346 | ||
| St. Louis San Diego | Outbound 12/13/24 1 Stopover (IAH) UA1332, UA2486 07h 10min | Return 12/31/24 1 Stopover (IAH) UA1382, UA2648 08h 09min | United Airlines |  | ? | $368 |
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Favorite airline: Spirit Airlines
The most popular airline for flights from St. Louis to San Diego is Spirit Airlines.
Spirit Airlines
40 %
Frontier Airlines
33 %
Delta
20 %