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

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The best prices from Houston to Lambert-St Louis Intl are usually found in September or May, booked 30 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Houston (IAH) to Lambert-St Louis Intl (STL)

IAH - STL
Price
$276 - $396
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

March

High demand for flights, 12% potential price rise

Cheapest in

September

Best time to find cheap flights, 21% potential price drop

Round-trip from

$276

From Houston to Lambert-St Louis Intl

One-way from

$92

One-way flight from Houston to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Houston to Lambert-St Louis Intl?

Travelers have found that booking a Tuesday departure is the best way to save up to 11% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

How far in advance should I book a flight from Houston to Lambert-St Louis Intl?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 27% on flights from Houston to Lambert-St Louis Intl compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $164. For sooner than that we have options available in the next 3 days from $181.

When is the cheapest time to fly from Houston to Lambert-St Louis Intl (IAH - STL)?

One of the essential ways to save on airfare from Houston to Lambert-St Louis Intl is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 12% on airfare.

Cheap flights from Houston to Lambert-St Louis Intl in October, November 2020

The best prices found for IAH to STL flights for October, November
11 Nov - 16 Nov
$68pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
11 Nov - 16 Nov
$97pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Nov - 9 Nov
$107pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Houston to Lambert-St Louis Intl 2020 flight deals

Cheap flights to Lambert-St Louis Intl from Houston found for this year
11 Nov - 16 Nov
$68pp
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
11 Nov - 16 Nov
$97pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Nov - 9 Nov
$107pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Non-stop flights to Lambert-St Louis Intl from Houston

Save time with Houston to Lambert-St Louis Intl direct flight deals
11 Nov - 16 Nov
$97pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
7 Nov - 9 Nov
$107pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
6 Nov - 8 Nov
$117pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl

Last minute flights from Houston to Lambert-St Louis Intl

Late deals on round-trip flights to Lambert-St Louis Intl from Houston, departing today and this week
30 Oct - 3 Nov
$158pp
IAH
Houston George Bush Intcntl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
30 Oct - 3 Nov
$163pp
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 Oct - 3 Nov
$167pp
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl

One-way flights to Lambert-St Louis Intl from Houston

The cheapest one-way flights from Houston to Lambert-St Louis Intl
7:21 am - 5:00 am
Frontier
1 Stop
21h 39m
IAH - STL
Frontier
$92
FlyFar
3:00 am - 8:06 am
American Airlines
1 Stop
5h 06m
IAH - STL
American Airlines
9:40 am - 7:02 am
United Airlines
2 Stops
21h 22m
IAH - STL
United Airlines
$147
United

Related info for your journey

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

Flight FAQs

From Houston to Lambert-St Louis Intl

Are flight prices decreasing from Houston to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Houston and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Houston George Bush Intcntl to Lambert-St Louis to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Houston George Bush Intcntl to Lambert-St Louis are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Houston George Bush Intcntl to Lambert-St Louis have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Frontier, and American Airlines flying from Houston George Bush Intcntl to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Houston to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Houston to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on Frontier for just $68, but on average you can expect to pay $128.

Are there nonstop flights from Houston to Lambert-St Louis Intl for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Houston to Lambert-St Louis Intl under $100. A good price for a nonstop flight from Houston to Lambert-St Louis Intl is less than $170.

Are there last-minute flights available from Houston to Lambert-St Louis Intl for under $200?

There are currently 20+ open flights from Houston to Lambert-St Louis Intl within the next 7 days for less than $200.

How popular is this flight route?

The Houston George Bush Intcntl to Lambert-St Louis flight path was viewed by 63 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Houston or St Louis?

Expected rainfall in Houston is less than in St Louis. You can expect this to be the case over the next 11 days.

Is Houston weather warmer or cooler than St Louis?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in St Louis is typically hotter than in Houston. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Houston to Lambert-St Louis Intl?

There are many flights that can get you from Houston to Lambert-St Louis Intl in 2h 09m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Houston to Lambert-St Louis Intl round-trip?

According to our current data, Frontier ($68), United Airlines ($97), and Delta ($138) offers the cheapest pricing from Houston to Lambert-St Louis Intl. Users have found that Frontier is 80% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Houston to Lambert-St Louis Intl one-way?

One-way options have recently been found by users for as low as $40 on Frontier. Other airlines that offer cheap prices include United Airlines from $49 and American Airlines from $73 one-way.

Alternative routes for Houston to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Things to know before you go. Useful info for your trip from Houston to Lambert-St Louis Intl
Flight duration
2h 12m
Average temperature for October in Lambert-St Louis Intl
71.6 °F
Avg rainfall for October in Lambert-St Louis Intl
2.8 ″

Airports servicing Houston

Airports servicing St. Louis

Hourly flight availability from Houston to Lambert-St Louis Intl

Afternoon Noon to 6 PM 40% of IAH to STL departures
Morning 6 AM to noon 38% of IAH to STL departures
Evening 6 PM to midnight 21% of IAH to STL departures
Early morning Midnight to 6 AM 1% of IAH to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Houston to Lambert-St Louis Intl
Sunday
7 daily flights
Monday
7 daily flights
Tuesday
4 daily flights
Wednesday
4 daily flights
Thursday
6 daily flights
Friday
6 daily flights
Saturday
7 daily flights
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