S$139 Cheap Flights from St. Louis to Houston

Pack your bags, because round-trip journeys from Lambert Field to George Bush Intercontinental Airport (IAH) start from S$344. 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.

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.

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.

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.

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.

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.