Direct flights from St. Louis to Houston
27 nonstop flights a week on 1 airline. Zero layovers — one hop from STL to IAH.
Flight time: about 1h33m 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 |
|---|---|---|---|
| United UAL1371 | 6:18a | 1h40m | Tue, Wed, Fri, Sat |
| United UAL1371 | 6:29a | 1h38m | Thu |
| United UAL1371 | 6:43a | 1h32m | Sun |
| United UAL1371 | 6:45a | 1h30m | Mon |
| United GJS4595 | 8:38a | 1h31m | Mon |
| United GJS4595 | 8:48a | 1h31m | Tue, Fri, Sat |
| United GJS4595 | 8:56a | 1h31m | Wed, Thu, Sun |
| United ASH6213 | 11:17a | 1h31m | Mon, Fri, Sun |
| United ASH6213 | 11:26a | 1h36m | Wed |
| United ASH6213 | 11:48a | 1h31m | Tue |
| United UCA3255 | 12:15p | 2h | Thu |
| United UAL652 | 3:18p | 1h36m | Mon, Tue, Fri, Sat |
| United UAL652 | 3:37p | 1h34m | Thu |
| United UAL652 | 3:46p | 1h34m | Wed, Sun |
United
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The route
One hop: STL → IAHDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from St. Louis (STL) to Houston (IAH)
St. Louis Lambert International Airport (STL) has 27 nonstop flights a week to Houston (IAH), operated by United. 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 (IAH) takes about 1h33m in the air, based on recently observed nonstop departures.