The journey from St. Louis to Houston spans approximately 1,200 kilometers. The most direct driving route is via I-55 South to Memphis, then I-40 and I-45 South, taking about 12 hours. Direct flights are available from St. Louis Lambert International Airport to George Bush Intercontinental Airport, lasting about 2.5 hours. This route takes you through the heart of the South and into the Gulf Coast region.
Total Distance: 1,200 km driving, 1,050 km air distance.
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Direct
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Direct
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|---|---|---|
| Duration | 2 hours 30 mins | 12 hours |
| Avg Price | $160-$350 | $140-$180 fuel |
| Operator | United, Southwest | Personal Vehicle |
| Route | STL to IAH. | I-55 S to I-40 W to I-45 S. |
| Tip | Houston traffic is heavy; factor in time for ground transport. | The drive is long; plan for an overnight stop if necessary. |
Spring or late autumn to avoid the intense summer heat and humidity.