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Uncover the best deals on Houston to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest IAH - STL Flights
Useful information for finding best airline tickets from George Bush Intercontinental Houston to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$228
Delta Airlines
• 1 stop
• 10h 5m
Aug 06 – Aug 18
The cheapest round trip flight from Houston to St Louis (IAH-STL-IAH) is currently $228
Fastest Flight
7h 26m
The fastest nonstop flight from Houston to St Louis (IAH-STL) takes 7h 26m
Top Airlines Flying from Houston to St Louis
Latest Flight Deals from Houston (IAH) to St Louis (STL)
Compare and book low fare round-trip air tickets from Houston to St Louis. Ideal for travelers with confirmed return itineraries.
Aug 06 - Aug 18, Economy
Houston → St Louis
10h 5m
5:41 AM - 11:46 AM • 1 stop
Houston → St Louis
7h 22m
11:00 AM - 3:42 PM • 1 stop
Delta Airlines
Aug 06 - Aug 18, Economy
Houston → St Louis
7h 26m
7:00 AM - 11:46 AM • 1 stop
Houston → St Louis
7h 22m
11:00 AM - 3:42 PM • 1 stop
Delta Airlines
Aug 06 - Aug 18, Economy
Houston → St Louis
10h 28m
8:05 AM - 2:33 PM • 1 stop
Houston → St Louis
9h 2m
3:39 PM - 9:21 PM • 1 stop
Delta Airlines
FAQs on Houston to St Louis Flights
What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to STL?
The most popular airline flying from Houston to St Louis are
Can I fly from IAH to STL non-stop?
NO
Which airlines fly nonstop between Houston and St Louis?
The non-stop flights between Houston and St Louis are .
What’s the earliest departure time from IAH to STL Airport?
The earliest flight leaves IAH at 5:41 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Houston to St Louis 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 IAH to STL?
Read the fare rules of the Houston to St Louis 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 Houston and St Louis?
operate flights between Houston and St Louis
How long does a flight from Houston to St Louis take?
It takes approximately 2 hour to fly non-stop from IAH to STL, which is 667.31 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from IAH were found on DL : USD 228
Do I need a passport to fly between IAH and STL?
No
What’s the latest departure time from IAH to STL ?
The last flight leaves IAH at 8:05 am
Houston (IAH) to St Louis (STL): Airport Information
| Origin Airport | George Bush Intercontinental Houston , Houston, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 667 miles |
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