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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 HOU - STL Flights
Useful information for finding best airline tickets from William P Hobby to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$523
Frontier Airlines
• 1 stop
• 35h 22m
Jul 14 – Jul 21
The cheapest round trip flight from Houston to St Louis (HOU-STL-HOU) is currently $523
Cheapest Direct Flight
$299
United Airlines
• nonstop
• 3h 27m
Jul 14
The cheapest nonstop flight from Houston to St Louis (HOU-STL) is currently $299
Fastest Flight
3h 20m
The fastest nonstop flight from Houston to St Louis (HOU-STL) takes 3h 20m
Top Airlines Flying from Houston to St Louis
Latest Flight Deals from Houston (HOU) 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.
Jul 14 - Jul 21, Economy
Houston → St Louis
35h 22m
6:14 PM - 7:23 PM • 1 stop
Houston → St Louis
23h 46m
8:08 PM - 10:34 AM • 1 stop
Frontier Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
37h 26m
8:37 PM - 7:23 PM • 2 stops
Houston → St Louis
60h 16m
8:08 PM - 8:24 AM • 2 stops
Frontier Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
6h 50m
11:00 AM - 3:10 PM • 1 stop
Houston → St Louis
3h 25m
8:45 AM - 10:50 AM • nonstop
Southwest Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 20m
7:35 AM - 9:35 AM • nonstop
Houston → St Louis
8h 30m
8:35 AM - 1:45 PM • 2 stops
Southwest Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
39h 11m
6:14 PM - 6:05 PM • 2 stops
Houston → St Louis
20h 46m
6:34 PM - 7:20 AM • 1 stop
Frontier Airlines
Flying to St Louis soon? We've surfaced some of the most affordable last-minute flights from Houston to St Louis, ideal for urgent plans or spontaneous trips.
Jul 14 - Jul 21, Economy
Houston → St Louis
35h 22m
6:14 PM - 7:23 PM • 1 stop
Houston → St Louis
23h 46m
8:08 PM - 10:34 AM • 1 stop
Frontier Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
37h 26m
8:37 PM - 7:23 PM • 2 stops
Houston → St Louis
60h 16m
8:08 PM - 8:24 AM • 2 stops
Frontier Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
6h 50m
11:00 AM - 3:10 PM • 1 stop
Houston → St Louis
3h 25m
8:45 AM - 10:50 AM • nonstop
Southwest Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 20m
7:35 AM - 9:35 AM • nonstop
Houston → St Louis
8h 30m
8:35 AM - 1:45 PM • 2 stops
Southwest Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
39h 11m
6:14 PM - 6:05 PM • 2 stops
Houston → St Louis
20h 46m
6:34 PM - 7:20 AM • 1 stop
Frontier Airlines
Looking for the fastest way to St Louis? These direct flight options from HOU to STL offer both convenience and value—no layovers, just straight to your destination.
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 27m
- • nonstop
Houston → St Louis
3h 37m
- • nonstop
United Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 35m
- • nonstop
Houston → St Louis
3h 37m
- • nonstop
United Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 32m
- • nonstop
Houston → St Louis
3h 37m
- • nonstop
United Airlines
Jul 14 - Jul 21, Economy
Houston → St Louis
3h 20m
4:00 PM - 6:00 PM • nonstop
Houston → St Louis
3h 25m
5:25 AM - 7:30 AM • nonstop
Southwest Airlines
FAQs on Houston to St Louis Flights
What are the airports in Houston?
HOU
What’s the most popular airline flying from HOU to STL?
The most popular airline flying from Houston to St Louis are
Can I fly from HOU to STL non-stop?
Yes, you can fly HOU to STL non-stop on
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 HOU to STL Airport?
The earliest flight leaves HOU at 7:35 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 HOU 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 HOU to STL, which is 687.27 miles by air.
Which airlines provide the cheapest flights from Houston (HOU) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from HOU were found on WN : USD 889
Do I need a passport to fly between HOU and STL?
No
What’s the latest departure time from HOU to STL ?
The last flight leaves HOU at 8:3000 pm
Houston (HOU) to St Louis (STL): Airport Information
| Origin Airport | William P Hobby , Houston, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 687 miles |
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