St Louis to Houston
STLIAH
Fly from St Louis to Houston starting at USD 192 with UA.
Best fare available on May 5, 2026.
Limited seats. Better plans. Book before it's gone.
St Louis to Houston cheapest flights this week
5 May
UA
06:00STL
08:18IAH
Direct$192VIEW DEAL
St Louis to Houston monthly flight fare trend
May
from USD 117
Jun
No flights
Jul
No flights
Aug
No flights
Sep
No flights
Oct
No flights
Airport Details
Origin
St Louis
St. Louis Lambert International Airport (STL)
St Louis, STL
Zone
Chicago
Elev
618 ft
Destination
Houston
George Bush Intercontinental Houston Airport (IAH)
Houston, IAH
Zone
Chicago
Elev
97 ft
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