Cheap Flights from St. Louis (STL) to Houston (IAH)

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

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Frequently asked questions

How long does it take to fly from Lambert-St. Louis Intl. Airport (STL) to IAH?
United Airlines operates a direct flight setting off from Lambert Field at 4:52PM and coming in to land at George Bush Intercontinental Airport (IAH) at 7:05PM — a total flight time of 2 hours and 13 minutes. Lock in the best available seat, bring a magazine to keep you occupied and enjoy the ride.
Is it cheaper to buy a plane ticket from Lambert Field to IAH last minute?
Being the spontaneous type is a rewarding way to see the world, but it isn't necessarily the best way to track down a bargain airfare. It's better to book your STL to George Bush Intercontinental Airport (IAH) journey in advance instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you reach your destination!
What airports do you fly into for Houston from St. Louis?
George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU) and Ellington Field Airport (EFD) are your choices when traveling from St. Louis to Houston. Around 26 kilometers north of central Houston, George Bush Intercontinental Airport (IAH) is the city's main entry point. Think about things such as flight departure and arrival times and the distance to your hotel before deciding where you fly into. Toyota Center and Minute Maid Park are two great attractions to visit when you get to your destination.
What are the most popular departure times for flights from Lambert-St. Louis Intl. Airport (STL) to Houston Airport?
The most popular departure times for flights from Lambert Field to Houston Airport are between 6:00 AM - 7:00 AM on United Airlines. One handy tip is to jet off in the morning. The earlier you travel, the greater your chances of a delay-free flight as air traffic hasn't yet built up around airports.
Can I change the date of my flight from STL to IAH?
Make changes quickly to your Lambert-St. Louis Intl. Airport (STL) to Houston Airport flight by logging in to the Expedia Trips portal. But before you make any amendments, check the conditions and rules in your itinerary to find out what the airline will let you do and if fees apply for changes. Some airlines charge a change fee per person, on top of any difference in prices. However, if you booked in the last 24 hours, you may be able to cancel for free and arrange new flights. You can also take a look at our Customer Service portal for more useful advice and to chat with our Virtual Agent.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
George Bush Intercontinental
Distance
1068 km
Average flight time
2 hours 24 mins

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St. Louis to Houston Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from St. Louis to Houston offer the perfect respite. Not only does exploring Houston provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from St. Louis to Houston may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Houston are only a plane trip away. Book your travel arrangements with us today!

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St. Louis to Houston Flights