| Outbound | Return | Airlines | Shop | Baggage | Price | ||
|---|---|---|---|---|---|---|---|
| St. Louis San Diego | Outbound 09/19/25 1 Stopover (DFW) AA1363, AA1798 07h 30min | Return 09/29/25 1 Stopover (SEA) AS1137, AS0472 10h 09min |  American Airlines |  | ? | $273 | |
| Best option St. Louis San Diego | Outbound 09/19/25 1 Stopover (DEN) UA2625, UA1281 05h 40min | Return 09/29/25 1 Stopover (IAH) UA2140, UA0744 06h 49min |  United Airlines |  | ? | $296 | |
| St. Louis San Diego | Outbound 04/29/25 2 Stopovers (FLL, LAS) NK1321, NK0538, NK0385 32h 32min | Return 05/08/25 2 Stopovers (LAS, FLL) NK2021, NK2763, NK2617 34h 27min |  Spirit Airlines |  | $381 | ||
| St. Louis San Diego | Outbound 09/19/25 1 Stopover (ORD) AA1997, AA3311 08h 37min | Return 09/29/25 1 Stopover (CLT) AA2056, AA2497 07h 12min | American Airlines |  | ? | $320 | |
| St. Louis San Diego | Outbound 04/29/25 1 Stopover (SEA) AS0388, AS1156 09h 36min | Return 05/08/25 1 Stopover (LAS) F91326, F93108 12h 40min |  Alaska Airlines | | ? | $331 | |
| St. Louis San Diego | Outbound 09/19/25 1 Stopover (SEA) AS0388, AS0939 08h 32min | Return 09/29/25 1 Stopover (SEA) AS1137, AS0472 10h 09min | Alaska Airlines |  | ? | $335 | |
| St. Louis San Diego | Outbound 07/25/25 1 Stopover (SFO) UA2110, UA2861 08h 34min | Return 08/17/25 1 Stopover (ORD) UA2628, UA1361 06h 40min | United Airlines | | ? | $340 | |
| St. Louis San Diego | Outbound 09/19/25 1 Stopover (SEA) AS0388, AS1109 09h 50min | Return 09/29/25 1 Stopover (SEA) AS1137, AS0472 10h 09min | Alaska Airlines |  | $349 | ||
| St. Louis San Diego | Outbound 07/25/25 1 Stopover (SFO) UA2110, UA2861 08h 34min | Return 08/17/25 1 Stopover (CLT) AA2056, AA2497 07h 19min | United Airlines | | ? | $352 | |
| St. Louis San Diego | Outbound 04/29/25 1 Stopover (SEA) AS0473, AS1096 10h 04min | Return 05/08/25 1 Stopover (LAS) F91326, F93108 12h 40min | Alaska Airlines | | ? | $385 |
Airline
- United Airlines
- Spirit Airlines
- American Airlines
- Alaska Airlines
Tips and tricks to help you find cheap flights from St. Louis to San Diego
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 %
Favourite connection: via Las Vegas
On this route, flights with a stopover in Las Vegas are the most popular.
Route
bookings
1 stopover Las Vegas - McCarran International Airport, NV
09h 06min, from $254
50 %
1 stopover Denver International Airport, CO
06h 23min, from $217
42 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
09h 54min, from $342
8 %
Important flight information
Flight information: St. Louis - San Diego
| Roundtrip from | $272.22 |
|---|---|
| Flight duration | min. 04:05 / max. 14:00 |
| Return flight duration | min. 03:20/ max. 08:00 |
| Distance | 2504 km |
| Flights per week | 48 |
| Departure airport | Airport St. Louis - Lambert International Airport (STL) |
| Arrival airport | Airport San Diego - Lindberg Field International, CA (SAN) |
| Destination country | Flights to United States |
Alternative routes to United States
- Flight St. Louis - New York from $186
- Flight St. Louis - Los Angeles from $192
- Flight St. Louis - Las Vegas from $162
- Flight St. Louis - Tampa from $161
- Flight St. Louis - San Francisco from $184
- Flight St. Louis - Orlando from $111
- Flight St. Louis - Fort Myers from $269
- Flight St. Louis - Chicago O'Hare from $167
- Flight St. Louis - Seattle-Tacoma from $235
- Flight St. Louis - Phoenix - Sky Harbor from $205
Alternative flights to San Diego
- Flight New York - San Diego from $184
- Flight Las Vegas - San Diego from $52
- Flight San Francisco - San Diego from $42
- Flight Orlando - San Diego from $181
- Flight Austin - San Diego from $146
- Flight Seattle-Tacoma - San Diego from $152
- Flight Portland-Oregon - San Diego from $128
- Flight San Jose - San Diego from $101
- Flight Denver - San Diego from $117
- Flight New York - San Diego from $184
Flight destinations with a similar price
- Flight San Diego - Frankfurt from $602
- Flight San Diego - Mexico City from $334
- Flight San Diego - Vancouver from $124
- Flight San Diego - Toronto from $208
- Flight San Diego - Los Cabos from $285
- Flight San Diego - Cancun from $373
- Flight San Diego - Stuttgart from $728
- Flight San Diego - Dusseldorf from $773
- Flight San Diego - Berlin from $710
- Flight San Diego - Munich from $732
Flight destinations with a similar price
- Flight St. Louis - Fort Myers from $269
- Flight St. Louis - Boston from $294
- Flight St. Louis - Newark from $258
- Flight St. Louis - New York from $262
- Flight St. Louis - Minneapolis from $264