Houston
Houston
St. Louis
St. Louis
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
Flight
Direct
Driving
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
  • Traffic
    Avoid I-55 in St. Louis during rush hours.
  • Airport
    STL is located about 20 minutes from downtown.
  • Weather
    Be prepared for hot summers and cold winters.
  • Dining
    Try the local toasted ravioli.
  • Parking
    Downtown St. Louis has several public parking garages.
Safety Tips
  • Fatigue
    Do not attempt to drive the full 13 hours in one sitting.
  • Road Conditions
    Check for construction on I-55.
  • Emergency
    Keep a physical road atlas in your car.
  • Hydration
    Stay hydrated during the long drive.
People Also Ask
  • Is there a direct flight?
    Yes, direct flights are available.
  • What is the best route?
    I-45 to I-55 is the standard path.
  • How long is the drive?
    Expect 13 hours of driving time.
  • Is St. Louis safe?
    St. Louis is generally considered a safe city.
  • 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
  • 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 driving Houston to St. Louis I-45 to I-55 route St. Louis travel guide Missouri road trip Houston airport St. Louis airport best way to travel to Missouri