Conroe
Conroe
Saint Louis
Saint Louis
Flight Driving

Conroe to Saint Louis

Updated: 28 May 2026

The journey from Conroe to St. Louis covers approximately 800 miles. Driving via I-45 North and I-44 East takes about 12 to 14 hours, passing through Dallas and Oklahoma City. Alternatively, flying from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) takes about 2 hours. This journey takes you from the humid Gulf Coast to the heart of the Midwest. Air travel is highly recommended to save time, though driving offers a scenic road trip experience.

Total Distance: 1,300 km driving distance; 1,100 km straight-line air distance.
Fastest Way
Direct flight from IAH to STL, taking approximately 2 hours.
Cheapest Way
Flight from IAH, especially when booked well in advance.
Compare Conroe to Saint Louis Routes
Flight
Direct
Driving
Direct
Duration 2 hours 13 hours
Avg Price $150 - $350 $150 - $250 in fuel
Operator United Airlines Personal Vehicle
Route IAH to STL I-45 N to I-44 E
Tip Book mid-week flights to find the lowest fares for this popular route. Plan for overnight stops in Oklahoma City to avoid driver fatigue.
Travel Tips
  • Public Transit
    Use the MetroLink to navigate St. Louis; it is efficient and covers most tourist areas.
  • Walking
    St. Louis is a very walkable city; pack comfortable shoes for the historic streets.
  • BBQ
    Try the local St. Louis-style BBQ; it is a regional specialty that you cannot miss.
  • Museum Hours
    Check museum hours before you go; they can vary throughout the year.
  • Safety
    Stay aware of your surroundings, especially in crowded tourist areas and late at night.
Safety Tips
  • Urban Safety
    St. Louis is generally safe, but stay aware of your surroundings in crowded tourist areas.
  • Night Travel
    Stick to well-lit streets when walking at night, especially in unfamiliar neighborhoods.
  • Emergency
    Dial 911 for any emergency; St. Louis has excellent medical facilities.
  • Navigation
    Use a map app to navigate the city's grid system efficiently.
People Also Ask
  • Is St. Louis expensive?
    St. Louis is a major tourist destination and can be pricey, but budget options exist.
  • How long is the flight from Houston to St. Louis?
    The flight is approximately 2 hours.
  • What is the best way to get around St. Louis?
    A rental car is recommended, though the MetroLink is great for downtown.
  • Are there direct flights from Conroe?
    No, you must fly out of IAH, which is about 45 minutes from Conroe.
  • What is the best time to visit St. Louis?
    Spring and Fall offer the most comfortable weather.
Quick Info
  • From Conroe, Texas, United States
  • To Saint Louis, Missouri, United States
  • Modes
Best Time to Travel

May, June, September, or October for mild weather and fewer crowds.

Things to Do in Saint Louis
1
Gateway Arch
Visit the iconic monument that symbolizes the gateway to the West. The tram ride to the top is a must.
2
Forest Park
Explore the massive urban park featuring the St. Louis Zoo, Art Museum, and Science Center.
3
City Museum
Experience the unique, interactive museum built from repurposed industrial materials. It is fun for all ages.
4
Anheuser-Busch Brewery
Take a tour of the historic brewery and learn about the history of beer in St. Louis.
Tags
flights from IAH to STL driving Conroe to St. Louis I-45 to I-44 route best time to visit St. Louis Texas to Missouri travel Conroe to St. Louis distance St. Louis travel tips cheapest flights to St. Louis road trip across the Midwest