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STL (St. Louis) to IAH (Houston) Flights $258.4

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Cheap STL to IAH Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to Houston (STL to IAH)

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : Republic Airlines leads the way with an 88% on-time rate. Don't spend more time waiting in an airport than you have to and stick with Republic Airlines on this route. Note that if they do have a delay, it usually lasts less than 15 minutes.

Question : How long will the flight typically be from Lambert-St. Louis International Airport (STL) to George Bush Intercontinental Airport (IAH)?
Answer : The average flight duration between STL and IAH is two hours and 22 minutes.

Question : How often are flights late from Lambert-St. Louis International Airport (STL) to George Bush Intercontinental Airport (IAH)?
Answer : The Saint Louis to Houston route has a 73% on-time rate, ranking in the 50th percentile worldwide in getting their passengers to their destinations on schedule. When a flight is delayed, it's a 33-minute delay on average.

Question : How many days should you spend in Houston?
Answer : Over the next two months, travelers from STL to IAH are planning on staying for about one week on average.

Question : What's the likelihood of you being delayed on this route?
Answer : Using the combined on-time percentage and average delay breakdown, Saint Louis to Houston currently has a 3 out of a possible 5 star rating. A 3-star rating means you should feel slightly worried about getting to Houston on time.

Question : What is the cheapest day to fly in the next four weeks?
Answer : Aug 23rd has seen bookings (as of Jul 24th) as cheap as $258. That comes in 31% below the average price for this route. Saving on flight costs means you'll have more cash in your hand for the trip.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : Saturday is your cheapest day to fly in August. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.