St. LouisSan FranciscoDirect FlightsSTL–SFO
St. Louis (St. Louis Lambert International Airport) to San Francisco (San Francisco International Airport).
Flight time from STL to SFO is estimated at about 4h 9m, based on the 1,731-mile great-circle distance. Our current captured departure sample includes 2/day across 2 captured airlines, with Southwest Airlines appearing most often in that sample. Captured departure times run from 08:15 to 19:23 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~4h 9m Estimated from great-circle distance — no tracked flights yet. | 1,731 mi | 2/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for STL to SFO
Our current provider sample includes 2/day from STL to SFO across 2 captured airlines. Captured departure terminal data is available for 2, 1.
- First departure
- 08:15
- Last departure
- 19:23
- Cadence
- 5 departures/day
- Captured departures/day
- 5
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 1/day | Boeing 737 · Terminal 2 · Seat map | 08:1508:25 |
Aircraft on this route
Flying the other way?
SFO to STL flights — 2/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to SFO, last seen June 15, 2026. Frequency uses 14 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from STL to SFO?
The STL to SFO flight time is estimated at about 4h 9m from great-circle distance until enough tracked flights are available.
How far is STL from SFO?
STL to SFO is about 1,731 miles by air.
Which airlines fly from STL to SFO?
Our current provider sample for STL to SFO includes Southwest Airlines, United Airlines. Confirm live timetables before booking.
What aircraft fly from STL to SFO?
Aircraft captured in our current provider sample for STL to SFO include Boeing 737.