STL to IAH (Saint Louis to Houston) Flights

Last Minute Flights from STL to IAH

Flight deals found on Expedia within the last 12 hours

Cheap STL to IAH Tickets Calendar

Lowest round trip prices customers recently found on Expedia

1. Choose a departure

2. Now choose a return date

Departure
Return

Current prices may differ due to duration or market changes

STL to IAH Flight Details

Distance and aircraft type by airline for flights from Lambert-St. Louis International Airport to George Bush Intercontinental Airport.

Distance 668.06 miles
Interesting Facts About Flights from Saint Louis to Houston (STL to IAH)
What airlines fly direct from STL airport to IAH airport?
Each month there are several airlines that offer direct flights from Saint Louis (STL) to Houston (IAH). Among the top airlines that consistently provide STL to IAH flights include:
  • United Airlines - (UA) with 90 direct flights between Saint Louis and Houston monthly
  • Southwest Airlines - (WN) with 90 direct flights between STL and IAH monthly
  • Cape Air - (9K) with 30 direct flights between Saint Louis and Houston monthly
  • American Airlines - (AA) with 360 direct flights between STL and IAH monthly
How long does it take to fly from STL to IAH?
The total flight duration time from Saint Louis (STL) to Houston (IAH) is typically 6 hours 48 minutes. This is the average non-stop flight time based upon historical flights for this route. During this period travelers can expect to fly about 932 miles, or 1,500 kilometers.
How many flights are there from STL to IAH per day?
With 4 different airlines operating flights between Saint Louis and Houston, there are, on average, 570 flights per month. This equates to about 133 flights per week, and 19 flights per day from STL to IAH.
How many morning flights are there from STL to IAH?
  • American Airlines - (AA) has about 8 flights before noon, starting with the earliest at 05:52AM PST and the latest 11:43AM PST
  • United Airlines - (UA) lists, on average, 2 flights departing before 12:00pm, where the first departure from STL is at 06:15AM and the last departure before noon is at 08:40AM
  • Southwest Airlines - (WN) has about 2 flights before noon, starting with the earliest at 06:35AM PST and the latest 11:00AM PST
How many afternoon flights are available from Saint Louis to Houston?
  • Between 12pm PST and 6pm there are, on average, 1 direct flights provided by United Airlines, where the earliest departing flight is at 04:36PM PST and the last departing flight is at 04:36PM PST.
  • Between 12pm PST and 6pm there are, on average, 1 direct flights provided by Southwest Airlines, where the earliest departing flight is at 12:40PM PST and the last departing flight is at 02:00PM PST.
  • Between 12pm PST and 6pm there are, on average, 4 direct flights provided by American Airlines, where the earliest departing flight is at 01:35PM PST and the last departing flight is at 05:30PM PST.
  • Between 12pm PST and 6pm there are, on average, 1 direct flights provided by Cape Air, where the earliest departing flight is at 02:46PM PST and the last departing flight is at 02:46PM PST.
What is the flight distance from Saint Louis to Houston?
The calculated straight line flying distance from STL airport to IAH airport is 932 miles, or 1,500 kilometers.
What is the earliest departure time out of Saint Louis to Houston?
The earliest flight departs from STL at 05:52AM and arrives at 09:47AM at IAH.
What is the latest flight available from STL to IAH?
The latest departure time from STL is scheduled at 05:30PM with an arrival time of 10:12PM at IAH.

Saint Louis to Houston Flight Schedule

Scan through flights from Lambert-St. Louis International Airport (STL) to George Bush Intercontinental Airport (IAH) for the upcoming week. Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight.

Flights.com only offers pricing for airlines that display a check fare on the days of the week each flight is available. A dot () indicates a flight is scheduled, but online booking is not currently available.

Saint Louis to Houston Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Saint Louis to Houston to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from STL to IAH, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Saint Louis to Houston, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Frequently Traveled Flights from Saint Louis, Missouri

Check out popular flights departing from Saint Louis (STL), and lock down the best airfare for your upcoming travel plans. Flights.com has researched and catalogued flights departing from Saint Louis across many airlines, so quit waiting and book your trip with us!

Popular Flights from Houston, Texas

Check out the best flights leaving from Houston airport and secure the lowest fares for your upcoming travel plans. Flights.com makes it easy to find flights departing from Houston (IAH) across many airlines, so stop waiting and book your trip with us!

Airlines

Check out popular airlines servicing Saint Louis (STL), and lock down the best fare for your upcoming travel plans. Flights.com makes it simple to find flights departing from Lambert-St. Louis International Airport across many airlines, so quit waiting and book your trip with us!

Latest Blog Updates