Menu

Cheap flights from St Louis to Houston (STL - IAH)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from St Louis to Houston are usually found in September or May, booked 60 days in advance, depart on a Tuesday or Saturday and return on a Tuesday

$470
$410
$350
$294
Price
$294 - $396
Temperature
59 - 86 °F
Most popular in March High demand for flights, 5% potential price rise
Cheapest in September Best time to find cheap flights, 2% potential price drop
Average price $340 Price for this month
Cheapest price $294 From St Louis to Houston

St Louis to Houston 2020 flight deals

Cheap flights to Houston from St Louis found for this year
4 May - 9 May
$237pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis

Last minute flights from St Louis to Houston

Late deals on round-trip flights to Houston from St Louis, departing today and this week
24 Jan - 28 Jan
$242pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis

Alternative routes for St Louis to Houston

Destination information for Houston

Things to know before you go. Useful info for your trip from St Louis to Houston
Flight duration
2h 17m
Average temperature for January in Houston
59.0 °F

Airports servicing St. Louis

Airports servicing Houston

Weekly flight availability
from St Louis to Houston
Sunday
16 daily flights
Monday
16 daily flights
Tuesday
16 daily flights
Wednesday
16 daily flights
Thursday
16 daily flights
Friday
16 daily flights
Saturday
5 daily flights

Related info for your journey

Useful info, stats and facts about St Louis to Houston flights.

Flight FAQs

From St Louis to Houston

What days are nonstop flights available from St Louis to Houston?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

The Lambert-St Louis to Houston George Bush Intcntl flight path was viewed by 37 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

When booking remember that flights St Louis to Houston are typically delayed by 49min. so prepare as needed.

How many passenger seats are available on a flight on this route?

274 seats are available from Lambert-St Louis to Houston George Bush Intcntl per day on average.

What is the cheapest airline for this route?

Currently, Trans States Airlines, Inc. offers the cheapest flights from St Louis to Houston. On average 116 flights can be found for this airline route daily.

How long does the flight from St Louis to Houston take?

You can expect a flight time of up to 3 hours for nonstop. Airlines will travel a distance of up to 417 miles.

How many flights depart from St Louis to Houston on average per day?

Travelers can expect 35 flights from Lambert-St Louis to Houston George Bush Intcntl on average per day.
Early Morning (Midnight to 6am) - 29% of flight departures
Morning (6am - Noon) - 40% of flight departures
Afternoon (Noon - 6pm) - 23% of flight departures
Evening (6pm - Midnight) - 9% of flight departures

Does it rain more in St Louis or Houston?

In St Louis, there will be less rainfall in St Louis compared to Houston over the next 15 days.

Is St Louis weather warmer or cooler than Houston?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in Houston is generally colder than in St Louis. Book flights in a timely manner in correlation to your departure date.