| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| San Diego St. Louis | Outbound 04/12/25 1 Stopover (MSP) SY0408, SY1625 23h 53min | Return 04/27/25 2 Stopovers (FLL, LAS) NK1321, NK0777, NK0385 32h 31min |  Sun Country Airlines |  | $312 | ||
| Best option San Diego St. Louis | Outbound 04/12/25 1 Stopover (SFO) UA1986, UA0336 08h 39min | Return 04/27/25 1 Stopover (DEN) UA1303, UA1835 07h 59min |  United Airlines |  | ? | $426 | |
| San Diego St. Louis | Outbound 04/12/25 3 Stopovers (LAS, MCO, FLL) NK0952, NK0741, NK1938, NK1320 31h 02min | Return 04/27/25 2 Stopovers (FLL, LAS) NK1321, NK0777, NK0951 15h 08min |  Spirit Airlines |  | ? | $350 | |
| San Diego St. Louis | Outbound 04/12/25 1 Stopover (DEN) F92818, F93302 26h 57min | Return 04/27/25 2 Stopovers (MCO, DEN) F92630, F91733, F94989 28h 09min |  Frontier Airlines |  | ? | $352 | |
| San Diego St. Louis | Outbound 04/12/25 1 Stopover (DEN) UA2270, UA1315 07h 22min | Return 04/27/25 1 Stopover (DEN) UA1303, UA1835 07h 59min | United Airlines |  | $462 | ||
| San Diego St. Louis | Outbound 04/12/25 1 Stopover (DFW) AS4645, AS4657 06h 25min | Return 04/27/25 1 Stopover (SEA) AS0473, AS1108 08h 30min |  Alaska Airlines |  | $622 |
Tips and tricks to help you find cheap flights from San Diego to St. Louis
Favorite airline: Spirit Airlines
The favorite airline for flights from San Diego to St. Louis is Spirit Airlines.
Spirit Airlines
37 %
Frontier Airlines
21 %
Delta
16 %