St. LouistoSan DiegoFlight Time
STL–SAN · Nonstop
St. Louis (St. Louis Lambert International Airport) to San Diego (San Diego International Airport).
The estimated flight time from St. Louis (STL) to San Diego (SAN) is about 3h 47m, covering 1,554 miles. Southwest Airlines flies the route nonstop with 1-2/day departures, from 08:10 to 21:35 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~3h 47m Estimated from great-circle distance — no tracked flights yet. | 1,554 mi | Nonstop | 1-2/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Nonstop airlines from St. Louis to San Diego
Southwest Airlines operates 1-2/day flights from STL to SAN. Departures leave from Terminal 2 at STL.
- First departure
- 08:10
- Last departure
- 21:35
- Cadence
- 6 departures/day
- Scheduled departure times
- 6
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 1-2/day | Boeing 737 · Terminal 2 · Seat map | 08:10 |
Aircraft on this route
Flying the other way?
SAN to STL flights — 1-2/day on 3 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for STL, refreshed on a rolling basis. Frequency uses 9 scheduled departures across 7 observed days; flight time is estimated from flying distance until this route has enough tracked flights for an observed average.
Route FAQ
How long is the flight from St. Louis to San Diego?
The estimated flight time from St. Louis (STL) to San Diego (SAN) is about 3h 47m, based on the 1,554-mile flying distance.
How far is St. Louis from San Diego?
St. Louis (STL) to San Diego (SAN) is about 1,554 miles by air.
Are there nonstop flights from St. Louis to San Diego?
Yes. Southwest Airlines flies nonstop from St. Louis (STL) to San Diego (SAN), with 1-2/day departures.
Which airlines fly from St. Louis to San Diego?
Southwest Airlines flies nonstop from St. Louis (STL) to San Diego (SAN).
What aircraft fly from St. Louis to San Diego?
The STL–SAN route is flown with Boeing 737.
Route hubs
Nearby airport options
Near San Diego
- SNA - Santa AnaJohn Wayne/Orange County Airport · 76 mi from SANFlights to SNA
- PSP - Palm SpringsPalm Springs International Airport · 85 mi from SANFlights to PSP
- ONT - OntarioOntario International Airport · 94 mi from SANFlights to ONT