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

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The best prices from Houston to St Louis are usually found in May or August, booked 52 days in advance, depart on a Thursday or Saturday and return on a Saturday

IAH
Houston
STL
St Louis
 Add details to search for flights
+60.0%
+40.0%
+20.0%
Base
Price
$308 - $465
Temperature
45 - 90 °F
Rainfall
2 - 5 inches
Most popular in February High demand for flights, 11% potential price rise
Cheapest in May Best time to find cheap flights, 3% potential price drop
Average price $356 Price for this month
Cheapest price $308 From Houston to St Louis

Cheap flights from Houston to St Louis in July 2019

The best prices found for IAH to STL flights for July
31 Jul - 5 Aug
$268pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
18 Jul - 22 Jul
$325pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
30 Jul - 3 Aug
$335pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl

Houston to St Louis 2019 flight deals

Cheap flights to St Louis from Houston found for this year
20 Aug - 24 Aug
$208pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
15 Aug - 19 Aug
$229pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
17 Aug - 21 Aug
$243pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl

Last minute flights from Houston to St Louis

Late deals on round-trip flights to St Louis from Houston, departing today and this week
18 Jul - 22 Jul
$325pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
17 Jul - 22 Jul
$409pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl

Destination information for St Louis

Things to know before you go. Useful info for your trip from Houston to St Louis

Airports servicing Houston

Airports servicing St. Louis

Average temperature for July in St Louis
32.0 °C
Avg rainfall for July in St Louis
101.0 mm
During this time it is forecast that there will be 4 inches more rainfall in St Louis than in Houston .
The weather in St Louis for the next ten days will be 90°F - that’s 5°F warmer than Houston.
Sun, Mon, Tue, Wed, Thu, Fri and Sat the only days where direct flights are available for this route.
Which airlines fly from Houston to St Louis?
Currently, our data suggests that 4 airlines fly Houston to St Louis directly, including ANA, Copa Airlines and Air New Zealand.
40 users have been comparing flight prices between Houston and St Louis this week.
How many flights depart from Houston George Bush Intcntl to Lambert-St Louis on average per day?
Travelers can expect 36 flights from Houston George Bush Intcntl to Lambert-St Louis on average per day.
Morning (6am - Noon) - 33% of flight departures
Evening (6pm - Midnight) - 67% of flight departures
How long does the flight from Houston George Bush Intcntl to Lambert-St Louis take?
A typical nonstop flight can take about 2 hours, covering about 416 miles.