St. Louis
St. Louis
Houston
Houston
Flight Driving

St. Louis to Houston

Updated: 28 May 2026

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.
Fastest Way
Flight, with a total travel time of about 4.5 hours including airport transit.
Cheapest Way
Driving is generally the most economical for groups.
Compare St. Louis to Houston Routes
Flight
Direct
Driving
Direct
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.
Travel Tips
  • Traffic
    Houston traffic is extremely heavy; avoid peak hours.
  • Weather
    Be prepared for high humidity and sudden rainstorms.
  • Airport
    IAH is located north of the city; allow time for the commute.
  • Dining
    Houston has a world-class food scene; try the Tex-Mex and BBQ.
  • Navigation
    Use a GPS as the highway system is very complex.
Safety Tips
  • Driving
    Stay alert for aggressive drivers on the freeways.
  • Parking
    Use secure parking garages in the downtown area.
  • Emergency
    Keep water in your car during the summer.
  • Personal Safety
    Stay in well-lit areas when exploring at night.
People Also Ask
  • Is there a train to Houston?
    No, there is no direct passenger rail service from St. Louis to Houston.
  • How long is the drive?
    The drive is approximately 12 hours.
  • What is the best airport?
    George Bush Intercontinental (IAH) is the primary hub.
  • Are there tolls?
    Yes, many highways in the Houston area are toll roads.
  • Is it safe to drive?
    Yes, but be prepared for long distances.
Quick Info
  • From St. Louis, Missouri, United States
  • To Houston, Texas, United States
  • Modes
Best Time to Travel

Spring or late autumn to avoid the intense summer heat and humidity.

Things to Do in Houston
1
Space Center Houston
The official visitor center of NASA Johnson Space Center. It is a must-see for space enthusiasts.
2
Museum District
Home to 19 museums, including the Museum of Fine Arts and the Houston Museum of Natural Science.
3
Buffalo Bayou Park
A large urban park offering trails, gardens, and great views of the skyline.
4
The Galleria
A massive shopping and dining complex, one of the largest in the country.
Tags
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