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Cheap Flights from Houston to St. Louis $241.95

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

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

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

Question : How long does it take to get from IAH to STL?
Answer : The fastest direct flight is 2 hours and 2 minutes via United Airlines. If you catch the 3:35 PM CST departure, you'll arrive at 5:37 PM CST.

Question : What is the likelihood your flight will be on time for this route?
Answer : Flights from IAH to STL are on time 70% of the time, ranking in the top half of all routes worldwide. If your flight is delayed, expect an average of 20-30 minutes added to your travel time.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : In February, Friday is your lowest-cost day to fly. Being flexible with your travel days garners you even more savings during your booking.

Question : Should you be aware of any airlines that have a reputation of delays for this route?
Answer : Flights on GoJet Airlines to Saint Louis from Houston during the last month were delayed 100% of the time. If you're on GoJet Airlines, be sure to sign up for the delay notifications to stay up to date with your flight's status.

Question : How many different departure times are there each day?
Answer : On average, three different flight times are offered daily when you fly from Houston to Saint Louis. The average route has 31 different flight times per day, so expect fewer choices than you're used to.

Question : How many days should you spend in Saint Louis if you're flying in from Houston?
Answer : The average time spent in Saint Louis by travelers flying from IAH is four days.