Direct flights from Baltimore to St Louis
29 nonstop flights a week on 1 airline. Zero layovers — one hop from BWI to STL.
Flight time: about 1h48m nonstop
Which days does it fly?
When does it fly?
Departure times in Baltimore local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA1118 | 12:20a | 1h58m | Tue |
| Southwest SWA1118 | 2:05a | 1h50m | Sat |
| Southwest SWA1109 | 6:24a | 1h44m | Mon, Thu, Fri |
| Southwest SWA1109 | 6:41a | 1h49m | Tue |
| Southwest SWA1109 | 6:48a | 1h53m | Wed |
| Southwest SWA1109 | 6:57a | 1h44m | Sat |
| Southwest SWA1109 | 7:29a | 1h48m | Sun |
| Southwest SWA1012 | 8:00a | 1h49m | Thu |
| Southwest SWA1012 | 8:07a | 1h48m | Mon, Fri |
| Southwest SWA1110 | 9:34a | 1h47m | Sat |
| Southwest SWA1110 | 9:44a | 1h48m | Mon |
| Southwest SWA1110 | 9:50a | 1h43m | Fri |
| Southwest SWA1110 | 10:21a | 1h46m | Thu |
| Southwest SWA733 | 10:32a | 1h47m | Tue |
| Southwest SWA1110 | 11:04a | 1h43m | Sun |
| Southwest SWA733 | 1:17p | 1h56m | Wed |
| Southwest SWA1111 | 3:47p | 1h43m | Sun |
| Southwest SWA1111 | 6:25p | 1h46m | Wed |
| Southwest SWA1111 | 7:00p | 1h50m | Sat |
| Southwest SWA1111 | 7:11p | 1h54m | Thu |
| Southwest SWA2082 | 7:16p | 1h55m | Tue |
| Southwest SWA1111 | 7:29p | 1h45m | Fri |
| Southwest SWA1111 | 8:02p | 1h56m | Mon |
| Southwest SWA1118 | 10:34p | 1h44m | Thu |
| Southwest SWA1118 | 10:47p | 1h50m | Sat |
| Southwest SWA1118 | 11:14p | 1h43m | Sun |
SouthwestThe route
One hop: BWI → STLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Baltimore (BWI) to St Louis (STL)
Baltimore/Washington International Thurgood Marshall Airport (BWI) has 29 nonstop flights a week to St Louis (STL), operated by Southwest. No layovers, no connections — one hop out of BWI and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Baltimore to St Louis?
The nonstop flight from Baltimore (BWI) to St Louis (STL) takes about 1h48m in the air, based on recently observed nonstop departures.
How long does it take to drive from Baltimore to St Louis?
Driving from Baltimore to St Louis takes about 12h 34m, covering roughly 821 miles. The nonstop flight takes about 1h48m.