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Uncover the best deals on St Louis to Houston flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - IAH Flights
Useful information for finding best airline tickets from Lambert St Louis International to George Bush Intercontinental Houston on your next trip.
Cheapest Round Trip Flight
$165
Delta Airlines
• 1 stop
• 10h 22m
Dec 07 – Dec 17
The cheapest round trip flight from St Louis to Houston (STL-IAH-STL) is currently $165
Fastest Flight
7h 38m
The fastest nonstop flight from St Louis to Houston (STL-IAH) takes 7h 38m
Top Airlines Flying from St Louis to Houston
Latest Flight Deals from St Louis (STL) to Houston (IAH)
Compare and book low fare round-trip air tickets from St Louis to Houston. Ideal for travelers with confirmed return itineraries.
Dec 07 - Dec 17, Economy
St Louis → Houston
10h 22m
5:37 PM - 11:59 PM • 1 stop
St Louis → Houston
8h 56m
5:39 AM - 11:15 AM • 1 stop
Delta Airlines
Dec 07 - Dec 17, Economy
St Louis → Houston
15h 51m
12:20 PM - 10:11 PM • 1 stop
St Louis → Houston
10h 26m
7:00 AM - 1:26 PM • 1 stop
Delta Airlines
Dec 07 - Dec 17, Economy
St Louis → Houston
15h 28m
2:31 PM - 11:59 PM • 1 stop
St Louis → Houston
10h 26m
7:00 AM - 1:26 PM • 1 stop
Delta Airlines
Dec 07 - Dec 17, Economy
St Louis → Houston
12h 20m
2:31 PM - 10:11 PM • 1 stop
St Louis → Houston
8h 56m
5:39 AM - 11:15 AM • 1 stop
Delta Airlines
Dec 07 - Dec 17, Economy
St Louis → Houston
7h 38m
12:20 PM - 5:18 PM • 1 stop
St Louis → Houston
8h 35m
6:00 AM - 11:15 AM • 1 stop
Delta Airlines
FAQs on St Louis to Houston Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to IAH?
The most popular airline flying from St Louis to Houston are
Can I fly from STL to IAH non-stop?
NO
Which airlines fly nonstop between St Louis and Houston?
The non-stop flights between St Louis and Houston are .
What’s the earliest departure time from STL to IAH Airport?
The earliest flight leaves STL at 10:00 am and lands in IAH - George Bush Intercontinental Houston
What are the airports in Houston?
IAH
Can I make changes to my St Louis to Houston flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from STL to IAH?
Read the fare rules of the St Louis to Houston air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from St Louis and Houston?
operate flights between St Louis and Houston
How long does a flight from St Louis to Houston take?
It takes approximately 2 hour to fly non-stop from STL to IAH, which is 667.31 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Houston (IAH) ?
In the past couple of days, the cheapest tickets to IAH from STL were found on DL : USD 213
Do I need a passport to fly between STL and IAH?
No
What’s the latest departure time from STL to IAH ?
The last flight leaves STL at 5:37 pm
St Louis (STL) to Houston (IAH): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | George Bush Intercontinental Houston , Houston, US |
| Distance | 667 miles |
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