Flight
Driving
Houston to St. Louis
Updated: 28 May 2026
The journey from Houston to St. Louis spans approximately 1,300 kilometers. Driving involves taking I-45 North to I-55, which runs through the heart of the country. Flights from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) are available with direct options. This route takes you from the Gulf Coast to the heart of the Midwest.
Total Distance: 1,300 km driving, 1,100 km air distance.
Fastest Way
Flight is the fastest, taking about 2 hours of air time.
Cheapest Way
Driving is the most economical for families.
Compare Houston to St. Louis Routes
|
Direct
|
Direct
|
|
|---|---|---|
| Duration | 2 hours | 13 hours |
| Avg Price | $150 - $300 | $150 - $250 (fuel) |
| Operator | Southwest Airlines | Personal Vehicle |
| Route | IAH to STL | I-45 N to I-55 N |
| Tip | Direct flights are frequent and convenient. | The drive is straightforward and mostly on major interstates. |
Travel Tips
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TrafficAvoid I-55 in St. Louis during rush hours.
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AirportSTL is located about 20 minutes from downtown.
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WeatherBe prepared for hot summers and cold winters.
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DiningTry the local toasted ravioli.
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ParkingDowntown St. Louis has several public parking garages.
Safety Tips
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FatigueDo not attempt to drive the full 13 hours in one sitting.
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Road ConditionsCheck for construction on I-55.
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EmergencyKeep a physical road atlas in your car.
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HydrationStay hydrated during the long drive.
People Also Ask
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Is there a direct flight?Yes, direct flights are available.
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What is the best route?I-45 to I-55 is the standard path.
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How long is the drive?Expect 13 hours of driving time.
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Is St. Louis safe?St. Louis is generally considered a safe city.
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What is the time zone?St. Louis is in the Central Time Zone.
Quick Info
- From Houston, Texas, United States
- To St. Louis, Missouri, United States
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Modes
Best Time to Travel
Spring and Autumn for mild weather in St. Louis.
Things to Do in St. Louis
1
Gateway Arch National Park
Visit the iconic arch and learn about westward expansion.
2
Forest Park
Explore one of the largest urban parks in the United States.
3
St. Louis Zoo
Visit this world-class zoo located in Forest Park.
4
City Museum
Experience this unique, interactive museum built from reclaimed materials.
Tags
Houston to St. Louis flights
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Missouri road trip
Houston airport
St. Louis airport
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