St. LouisHoustonDirect FlightsSTL–CXO
St. Louis (St. Louis Lambert International Airport) to Houston (Conroe/North Houston Regional Airport).
Flight time from STL to CXO is estimated at about 1h 55m, based on the 647-mile great-circle distance. Our current captured departure sample includes Scheduled across 1 captured airline, with Southwest Airlines appearing most often in that sample.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~1h 55m Estimated from great-circle distance — no tracked flights yet. | 647 mi | Scheduled From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for STL to CXO
Our current provider sample includes Scheduled from STL to CXO across 1 captured airline.
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | Scheduled | Varies by schedule | — |
Typical aircraft
Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to CXO, last seen June 15, 2026. Frequency uses 0 scheduled departures across 1 observed day; 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 CXO?
The STL to CXO flight time is estimated at about 1h 55m from great-circle distance until enough tracked flights are available.
How far is STL from CXO?
STL to CXO is about 647 miles by air.
Which airlines fly from STL to CXO?
Our current provider sample for STL to CXO includes Southwest Airlines. Confirm live timetables before booking.