IAH to STL (Houston to St. Louis) Flights

Last Minute Flights from IAH to STL

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IAHSt. LouisMarch 21 to April 3$295
*Prices include taxes and fees

Cheapest IAH to STL Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IAHSt. LouisMay 15 to May 18$180
IAHSt. LouisMay 5 to May 7$219
IAHSt. LouisMay 12 to May 14$311
IAHSt. LouisMay 12 to May 14$317
*Prices include taxes and fees
IAH to STL Flight Details
Origin airport
George Bush Intercontinental
Origin airport IATA code
IAH
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Distance
667 mi

Frequently asked questions

What airlines fly direct from Houston Airport to Lambert Field?
United Airlines (UA) does. Book a fare on one of the 91 flights a month that depart from Houston Airport and zip straight to Lambert Field. Skipping a stopover is a fabulous way to begin your St. Louis adventure.
How many flights are there from IAH to STL?
About 92 a day. If you're in a big hurry to reach St. Louis, see if you can get your hands on a last-minute deal from Houston, TX (IAH-George Bush Intercontinental) to St. Louis, MO (STL-Lambert-St. Louis Intl.) and then reserve it pronto!
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
From Houston, TX (IAH-George Bush Intercontinental), it's just 6 hours and 27 minutes to St. Louis, MO (STL-Lambert-St. Louis Intl.). Don't get too settled in your seat — you'll be arriving in St. Louis in no time at all.
What is the flight distance from Houston, TX (IAH-George Bush Intercontinental) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Considered a short-haul trip, just 670 miles (1,100 1) separates Houston, TX (IAH-George Bush Intercontinental) and St. Louis, MO (STL-Lambert-St. Louis Intl.). Enjoy the ride, but don't settle in too much! You'll be arriving in St. Louis before you know it.
How many morning flights are there from IAH to STL?
Early risers — you'll be relieved to hear that there are 307 morning flights from IAH to STL a week.

  • American Airlines (AA) has around 89 weekly flights departing before midday. The earliest is 5:00AM.
  • Another great option is United Airlines. This carrier has 85 early flights every week. 5:00AM is the earliest one.
  • Secure a seat with Delta Air Lines (DL) and you'll have some 73 morning flights to select from. The earliest departure time is 5:15AM.

How many afternoon flights are there from IAH to STL?
If the words "early" and "morning" aren't part of your daily vocab, jump aboard one of the 341 weekly afternoon and evening flights from IAH to STL.

  • Lock in a fare with United Airlines (UA), which has 126 flights every week that jet off after noon. 12:11PM is the earliest of those flights.
  • You can also choose from the 74 afternoon and evening flights operated by American Airlines (AA) every week. 12:03PM is the first scheduled departure.
  • Or else search for a flight from 12:20PM onward with Delta Air Lines (DL). This carrier operates 68 afternoon and evening flights a week.

What is the earliest departure time out of Houston to St. Louis?
The earliest flight leaves IAH at 5:00AM and arrives at STL at 9:49PM. Make sure you give yourself enough time in the morning to easily get to the check-in counter.
What is the latest departure time out of Houston to St. Louis?
The latest flight leaves IAH at 10:59PM and touches down at STL at 2:50PM. You'll have plenty of time to get ready for this trip.
What is the average price from Houston to St. Louis?
Round-trip fares between IAH and STL begin from around $180. When you're ready to jet off, we're ready to help you score the best price possible. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Houston to St. Louis Flights

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

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Houston to St. Louis, 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.

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