Cheap Flights from St. Louis to Houston

Popular airlines from St. Louis Lambert Intl. Airport (STL) to George Bush Intercontinental Airport (IAH)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from St. Louis (STL) to Houston (IAH)

October is typically the cheapest month to fly

From S$150 - S$231 per traveller.
St. Louis to Houston route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
George Bush Intercontinental
Distance
1068 km
Average flight time
2 hours 24 mins

Perfect flights from St. Louis to Houston

Your Journey from St. Louis to Houston

Start your unforgettable journey with Expedia. Our broad selection of flights from St. Louis to Houston caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including . Our selection of flights from Lambert-St. Louis Intl. to George Bush Intercontinental caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from airlines, you're bound to find the perfect flight.
 

Maximizing Value with St. Louis to Houston Flights

Experience the joy of finding cheap flights from Lambert-St. Louis Intl. to George Bush Intercontinental that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares and roundtrip prices *.
 

Pre-Flight Essentials

Ensure a smooth journey from St. Louis to Houston with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Houston

Picture yourself stepping off the plane in Houston and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your St. Louis to Houston Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from St. Louis to Houston.
 

Beyond the Flight – Exploring Houston

With Expedia, your adventure extends beyond the flight. Explore Houston at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from St. Louis to Houston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from St. Louis to Houston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Lambert Field to IAH?
Pack your bags, because round-trip journeys from Lambert Field to George Bush Intercontinental Airport (IAH) start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Houston Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Lambert Field to Houston Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for STL to IAH flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to IAH?
A flight distance of just 1,100 kilometres separates St. Louis and Houston. Once you're up in the skies, you won't have time to do much more than listen to some short podcasts.
Which airlines fly direct from STL to IAH?
United Airlines (UA) will take you from Lambert Field to IAH safely and comfortably. Take your pick of 91 direct flights each month along this route.
Are St. Louis Lambert International Airport to George Bush Intercontinental Airport (IAH) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some super cheap airfares from STL to George Bush Intercontinental Airport (IAH) arising a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals continuously — as early as 12 months in advance in some cases. It does depend on the carrier though, as not all airlines advertise prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.