Saint Louis (STL) to Houston (HOU) flights
One airline flies nonstop from Saint Louis (STL) to Houston (HOU): Southwest Airlines. The two airports are 688 miles (1,108 km) apart. There are also 18 ways to fly it with one stop, through Dallas, Dallas and Austin and more.
Airlines flying nonstop from STL to HOU
- Southwest AirlinesNot in an allianceWho books it
STL to HOU with one stop
18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Austin (AUS)Southwest Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via New Orleans (MSY)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via San Antonio (SAT)Southwest Airlines the whole way
- Via Pensacola (PNS)Southwest Airlines the whole way
- Via Fort Walton Beach (VPS)Southwest Airlines the whole way
- Via Omaha (OMA)Southwest Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines and Southwest Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Panama City (ECP)Southwest Airlines the whole way
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Charlotte (CLT)Southwest Airlines the whole way
STL to HOU: common questions
Which airlines fly nonstop from STL to HOU?
Southwest Airlines flies nonstop from Saint Louis (STL) to Houston (HOU).
How far is Saint Louis from Houston by plane?
Saint Louis (STL) and Houston (HOU) are 688 miles (1,108 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does STL to HOU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for STL to HOU with taxes and fees.
Where can I connect between Saint Louis and Houston?
The most direct connections are through Dallas (DAL), Dallas (DFW), Austin (AUS), Kansas City (MCI) and New Orleans (MSY). On 17 of them the same airline flies both flights, for example Southwest Airlines through Dallas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.