San DiegotoSt. LouisFlight Time
SAN–STL · Nonstop
San Diego (San Diego International Airport) to St. Louis (St. Louis Lambert International Airport).
The estimated flight time from San Diego (SAN) to St. Louis (STL) is about 3h 47m, covering 1,554 miles. Southwest Airlines, Alaska Airlines, and United Airlines fly the route nonstop with 1-2/day departures, from 06:30 to 13:30 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 San Diego to St. Louis
Southwest Airlines, Alaska Airlines, and United Airlines operate 1-2/day flights from SAN to STL. Departures leave from Terminals 1 and 2 at SAN.
- First departure
- 06:30
- Last departure
- 13:30
- Cadence
- ~hourly
- Scheduled departure times
- 9
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 1-2/day | Boeing 737 · Terminal 1 · Seat map | 06:30 |
Aircraft on this route
Flying the other way?
STL to SAN flights — 1-2/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from a full week of published airline schedules for SAN, refreshed on a rolling basis. Frequency uses 12 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 San Diego to St. Louis?
The estimated flight time from San Diego (SAN) to St. Louis (STL) is about 3h 47m, based on the 1,554-mile flying distance.
How far is San Diego from St. Louis?
San Diego (SAN) to St. Louis (STL) is about 1,554 miles by air.
Are there nonstop flights from San Diego to St. Louis?
Yes. Southwest Airlines, Alaska Airlines, and United Airlines fly nonstop from San Diego (SAN) to St. Louis (STL), with 1-2/day departures.
Which airlines fly from San Diego to St. Louis?
Southwest Airlines, Alaska Airlines, and United Airlines fly nonstop from San Diego (SAN) to St. Louis (STL).
What aircraft fly from San Diego to St. Louis?
The SAN–STL route is flown with Airbus A320 family, Boeing 737.
Route hubs
Nearby airport options
Near San Diego
- SNA - Santa AnaJohn Wayne/Orange County Airport · 76 mi from SANFlights from SNA
- PSP - Palm SpringsPalm Springs International Airport · 85 mi from SANFlights from PSP
- ONT - OntarioOntario International Airport · 94 mi from SANFlights from ONT