Direct flights from St. Louis to Houston
30 nonstop flights a week on 1 airline. Zero layovers — one hop from STL to HOU.
Flight time: about 1h45m nonstop
Which days does it fly?
When does it fly?
Departure times in St. Louis local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA2519 | 5:15a | 1h52m | Thu |
| Southwest SWA3524 | 5:23a | 1h47m | Fri–Sat |
| Southwest SWA3524 | 5:25a | 1h31m | Mon |
| Southwest SWA3524 | 6:05a | 1h44m | Tue–Wed |
| Southwest SWA3524 | 6:19a | 1h34m | Sun |
| Southwest SWA4074 | 8:29a | 1h49m | Thu |
| Southwest SWA1974 | 8:35a | 1h34m | Sun |
| Southwest SWA3841 | 8:35a | 1h48m | Sat |
| Southwest SWA4419 | 8:52a | 1h43m | Tue–Wed |
| Southwest SWA3713 | 11:12a | 1h41m | Mon |
| Southwest SWA3713 | 11:19a | 1h35m | Fri |
| Southwest SWA3841 | 12:24p | 1h40m | Mon |
| Southwest SWA3841 | 12:32p | 1h45m | Fri |
| Southwest SWA3061 | 3:49p | 1h45m | Sun |
| Southwest SWA3713 | 4:31p | 1h49m | Sat |
| Southwest SWA3713 | 5:39p | 1h33m | Tue |
| Southwest SWA3713 | 5:49p | 1h38m | Wed |
| Southwest SWA1030 | 6:02p | 1h45m | Mon, Thu, Fri |
| Southwest SWA3713 | 6:51p | 1h45m | Sun |
| Southwest SWA3843 | 8:44p | 1h45m | Tue |
| Southwest SWA4690 | 9:13p | 1h43m | Mon |
| Southwest SWA242 | 9:18p | 1h45m | Sun |
| Southwest SWA3843 | 9:22p | 1h47m | Wed |
| Southwest SWA4690 | 9:35p | 1h48m | Thu |
| Southwest SWA4690 | 10:27p | 1h46m | Fri |
Southwest
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The route
One hop: STL → HOUDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from St. Louis (STL) to Houston (HOU)
St. Louis Lambert International Airport (STL) has 30 nonstop flights a week to Houston (HOU), operated by Southwest. No layovers, no connections — one hop out of STL 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 St. Louis to Houston?
The nonstop flight from St. Louis (STL) to Houston (HOU) takes about 1h45m in the air, based on recently observed nonstop departures.