Cheap Flight Tickets from Houston (IAH) to St Louis (STL), Starting at $230

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

$329

DL Delta Airlines • 1 stop • 8h 54m

Oct 09 – Oct 11

The cheapest round trip flight from Houston to St Louis (IAH-STL-IAH) is currently $329

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Cheapest Direct Flight

$230

WN Southwest Airlines • nonstop • 3h 20m

Oct 09

The cheapest nonstop flight from Houston to St Louis (IAH-STL) is currently $230

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Fastest Flight

3h 20m

The fastest nonstop flight from Houston to St Louis (IAH-STL) takes 3h 20m

Top Airlines Flying from Houston to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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.

Oct 09 - Oct 11, Economy
DL
Houston → St Louis
8h 54m
6:20 PM - 11:54 PM • 1 stop
DL
Houston → St Louis
12h 11m
2:38 PM - 10:09 PM • 1 stop
$329
Delta Airlines
Oct 09 - Oct 11, Economy
DL
Houston → St Louis
8h 41m
6:00 PM - 11:21 PM • 1 stop
DL
Houston → St Louis
12h 11m
2:38 PM - 10:09 PM • 1 stop
$393
Delta Airlines
Oct 09 - Oct 11, Economy
DL
Houston → St Louis
17h 23m
6:00 AM - 4:43 PM • 1 stop
DL
Houston → St Louis
12h 11m
2:38 PM - 10:09 PM • 1 stop
$471
Delta Airlines
Oct 09 - Oct 11, Economy
DL
Houston → St Louis
14h 5m
6:00 AM - 2:45 PM • 1 stop
DL
Houston → St Louis
10h 20m
5:35 PM - 11:55 PM • 1 stop
$489
Delta Airlines
Oct 09 - Oct 11, Economy
AS
Houston → St Louis
30h 25m
2:55 PM - 9:20 AM • 2 stops
AS
Houston → St Louis
30h 19m
5:40 AM - 11:59 PM • 2 stops
$1710
Alaska Airlines
Oct 09 - Oct 11, Economy
AS
Houston → St Louis
29h 17m
6:02 AM - 11:59 PM • 1 stop
AS
Houston → St Louis
29h 15m
6:04 AM - 11:59 PM • 2 stops
$1751
Alaska Airlines

Fly from Houston to St Louis with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Houston to St Louis? Find the biggest savings on one-way and round-trip tickets right here.

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?
Yes, you can fly IAH 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 IAH to STL Airport?
The earliest flight leaves IAH at 6:00 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 489
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 6:20 pm

Essential Information for Booking Flights from Houston (IAH) - AI Insights

What's the cheapest airline from iah to stl?
Frontier Airlines offers budget-friendly flights from George Bush Intercontinental Houston (iah) to Lambert St Louis International (stl) with a one-stop journey. As a first-class passenger, you can enjoy suites and fine dining. To secure the best airfare, it's recommended to book at least 19 days in advance. You can find affordable airfares on their website, which often feature low fares and savings.
What's the popular airline to fly from iah to stl?
You can fly from George Bush Intercontinental Houston (iah) to Lambert St Louis International (stl) with United Airlines (UA) on your round trip journey. United Airlines offers a luxurious First class experience with suites and fine dining. You can book your flights in advance to get the best airfares and enjoy a hassle-free travel experience.
What's the cheapest day of the week to fly from iah to stl?
The cheapest day to fly from Houston IAH to St Louis STL is Sunday. Flying on Sundays can often result in lower airfares, making it a budget-friendly option for your round-trip journey. This is especially true if you're looking for cheap airline tickets during the off-season, such as in February or July. For your specific travel dates, booking in advance can help secure the best airfare deals, with a recommended 19-day advance booking period for optimal savings.
What's the cheapest month to fly from iah to stl?
The cheapest month to fly from IAH to STL is November, as it tends to have lower airfares compared to other months. You can expect to find budget-friendly flights during this time. For a round-trip First class ticket, consider booking in advance to secure the best rates. This can help you save on airfares and make your travel more affordable.
Which airline/airlines fly from iah to stl?
The airlines that fly from George Bush Intercontinental Houston (iah) to Lambert St Louis International (stl) include American Airlines (AA), Delta Airlines (DL), JetBlue Airways (B6), WestJet Airlines (WS), Frontier Airlines (F9), Alaska Airlines (AS), Aeromexico (AM), United Airlines (UA), Viva Aerobus (VB), and Volaris Airline (Y4). You can find the cheapest airfares and flights on fareleaders.com, a leading airfare comparison platform.
What is the cheapest airfare from Milwaukee to Lambert St Louis International Airport?
The cheapest airfare from Milwaukee to Lambert St Louis International Airport can be found on Frontier Airlines (F9) with a starting price of $200.
How far in advance should I book my flight from Houston to St Louis?
It is recommended to book your flight from Houston to St Louis at least 19 days in advance to get the best deals.
Can I get a First Class ticket on this airline?
Unfortunately, this airline does not offer First Class tickets.
What is the average cost of a round trip ticket from Houston to St Louis?
The average cost of a round trip ticket from Houston to St Louis is around $400.
How many stops are there on this flight from Houston to St Louis?
There is 1 stop on this flight from Houston to St Louis.
Can I book a busco agency to help me with my flight?
No, this airline does not offer busco agency services.
How can I find the best web agency to book my flight?
You can search online for reputable web agencies that specialize in booking flights.
What is the best time to book a flight for a July trip?
The best time to book a flight for a July trip is in November, when prices tend to be lower.
Can I book a flight via this airline's website?
Yes, you can book a flight via this airline's website.

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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