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Cheap Flights from St. Louis to Houston $243.67

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

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 : Who's offering the cheapest round-trip flight to George Bush Intercontinental Airport (IAH) over the coming months?
Answer : Delta Air Lines is offering its passengers the cheapest flights over the next three months.

Question : Should you take that vacation to Houston in the next 30 days?
Answer : As of December 5th, the best day for booking to Houston (IAH) from Saint Louis (STL) is December 15th. Bookings have been made roughly 12% below the average price for this route.

Question : If punctuality is required for you to book a flight, which airline is your best bet?
Answer : NetJets Aviation will have you to IAH on schedule 100% of the time. Stick to NetJets Aviation and you won't spend more time in airports than you have to. Perfection is hard to come by, so hopefully it continues.

Question : If you're booking STL to IAH, how many different choices of departure times do you have on a daily basis?
Answer : On average, you can expect 17 different options of flight times when you book. That is lower than the global average of 31.

Question : How long do most people stay in Houston when they fly in from Saint Louis?
Answer : The average time spent in Houston by passengers flying from STL is eight days.