S$264 Cheap Flights from St. Louis to Houston

View S$264 flight on Sun, 13 Apr,2025Opens in a new window

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

Prices were available within the past 7 days and start at S$264 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

St. Louis to Houston route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
George Bush Intercontinental
Distance
1068 km

Flights from St. Louis to Houston

When looking for plane tickets from St. Louis to Houston, the ease and convenience of using Expedia simply can’t be beat. With tons of departure points and flights options from the top airline carriers, Expedia gives you the widest array of cheap flights to Houston. Look for STL to IAH airfare with the assurance that you have the largest online travel agency working for you.

Expedia lets you search across the largest number of airlines and Houston flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your St. Louis Houston flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your St. Louis to Houston trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Houston flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from St. Louis to Houston with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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.
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