Direct flights from San Diego to St Louis
8 nonstop flights a week on 2 airlines. Zero layovers — one hop from SAN to STL.
Flight time: about 3h8m nonstop
Flying back? St. Louis → San Diego · 7 nonstop flights a week
Which days does it fly?
When does it fly?
Departure times in San Diego local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Alaska ASA506 | 9:46a | 3h4m | Sun |
| Southwest SWA4576 | 10:00a | 3h8m | Sat |
| Southwest SWA4374 | 12:05p | 3h16m | Tue–Wed |
| Southwest SWA4576 | 1:20p | 3h3m | Mon, Thu, Fri |
| Southwest SWA2348 | 1:30p | 3h15m | Sun |
SouthwestOther airports near San Diego with nonstops to St Louis
| Airport | Distance | Flights / wk |
|---|---|---|
| SNA — Orange CountyUnited | 76 mi | 1 |
| LAX — Los AngelesAmerican, Sun Country, Southwest | 109 mi | 20 |
The route
One hop: SAN → STLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from San Diego (SAN) to St Louis (STL)
San Diego International Airport (SAN) has 8 nonstop flights a week to St Louis (STL), operated by Alaska and Southwest. No layovers, no connections — one hop out of SAN and you're there.
This route flies every day of the week, so any travel day works. Route data updated October 2026 from observed departures.
Route data updated October 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from San Diego to St Louis?
The nonstop flight from San Diego (SAN) to St Louis (STL) takes about 3h8m in the air, based on recently observed nonstop departures.
Is there a nonstop return flight from St Louis to San Diego?
Yes — 7 nonstop flights a week from St. Louis (STL) back to San Diego (SAN) on Southwest, based on recently observed departures.