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

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The best prices from Lambert-St Louis Intl to Houston are usually found in July or August, booked 23 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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

All the information you need to plan the best STL to IAH flight in 2021: compare Lambert-St Louis Intl to Houston flight prices with the expected peak season, weather and rainfall in Houston.
STL - IAH
Price
$184 - $359
IAH
Temperature
59 - 86 °F

Popular in

December

High demand for flights, 14% potential price rise

Cheapest in

July

Best time to find cheap flights, 41% potential price drop

Round-trip from

$184

From Lambert-St Louis Intl to Houston

One-way from

$133

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

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 Lambert-St Louis Intl to Houston?

Travelers have found that booking a Friday departure is the best way to save up to 29% 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 Lambert-St Louis Intl to Houston?

To save up to 26% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Lambert-St Louis Intl to Houston from $118 1-2 weeks out and tickets from $157 for flights departing within the next 72 hours.

What is the cheapest month to fly from Lambert-St Louis Intl to Houston?

February is one of the best times of the year to fly to Houston from Lambert-St Louis Intl. Prices for February average $134 per person but you can even find prices for as low as $68. The most expensive prices can be found in the month of December. Opting for a February flight can save you 46% on your journey compared to booking in February

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

A simple way to save on the total cost of your ticket is to fly from Lambert-St Louis Intl to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight at noon.

Cheap flights from Lambert-St Louis Intl to Houston in May, June 2021

The best prices found for STL to IAH flights for May, June
20 May - 23 May
$140pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
17 May - 19 May
$144pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
20 May - 23 May
$150pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis Intl to Houston 2021 flight deals

Cheap flights to Houston from Lambert-St Louis Intl found for this year
20 May - 23 May
$140pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
17 May - 19 May
$144pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
20 May - 23 May
$150pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

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

Save time with Lambert-St Louis Intl to Houston direct flight deals
24 Aug - 28 Aug
$199pp
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
19 Aug - 22 Aug
$219pp
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
31 Aug - 6 Sep
$235pp
STL
Lambert-St Louis
United Airlines
Non-Stop
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from Lambert-St Louis Intl to Houston

Late deals on round-trip flights to Houston from Lambert-St Louis Intl, departing today and this week
20 May - 23 May
$140pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
17 May - 19 May
$144pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
20 May - 23 May
$150pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis

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

The cheapest one-way flights from Lambert-St Louis Intl to Houston
6:03 am - 5:41 pm
Multiple Airlines
1 Stop
11h 38m
STL - IAH
Multiple Airlines
$133
Kiwi.com
3:35 pm - 7:41 pm
American Airlines
1 Stop
4h 06m
STL - IAH
American Airlines
6:25 pm - 7:54 pm
Frontier
1 Stop
25h 29m
STL - IAH
Frontier
$150
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Lambert-St Louis Intl</span> to <span class="emphasized">Houston</span> flights.

Flight FAQs

From Lambert-St Louis Intl to Houston

Are flight prices decreasing from St Louis to Houston 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 St Louis and Houston 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.

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

United Airlines, Frontier, and American Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

What airports do I use to fly from St. Louis to Houston?

Booking a flight from Lambert-St Louis (STL) to Houston George Bush Intcntl (IAH) is your only option if you wish to fly from St. Louis to Houston. On a typical day, there are 7 flights from Lambert-St Louis to George Bush Intcntl, all of which are around 2h 00m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Lambert-St Louis to Houston.

Can I find flights from Lambert-St Louis Intl to Houston for under $200 on Cheapflights?

Yes, there are multiple flights from Lambert-St Louis Intl to Houston for under $200. The cheapest flight booked recently is on Multiple Airlines for just $140, but on average you can expect to pay $176.

Are there nonstop flights from Lambert-St Louis Intl to Houston for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Lambert-St Louis Intl to Houston under $200. A good price for a nonstop flight from Lambert-St Louis Intl to Houston is less than $313.

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

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

How popular is this flight route?

The Lambert-St Louis to Houston George Bush Intcntl flight path was viewed by 40 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 St Louis or Houston?

In St Louis, there will be same rainfall in St Louis compared to Houston over the next 18 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.

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

For as low as $177, Spirit Airlines can have you in Houston from Lambert-St Louis Intl in 7h 04m. 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 Lambert-St Louis Intl to Houston round-trip?

Flying on Frontier is currently your cheapest option to Houston, with prices starting at $144. Another option worth looking into is Spirit Airlines, starting at $177 round trip. Frontier is priced at 53% lower than the current average price of a flight leaving 3 months from now.

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

$89 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and United Airlines, with prices starting from $93 and $136, respectively.

Alternative routes for Lambert-St Louis Intl to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Houston

Things to know before you go - useful duration and weather info for your trip from Lambert-St Louis Intl to Houston.
Average temperature for May in Houston
77.0 °F

Airports servicing St. Louis

Airports servicing Houston

Top 4 airlines flying from Lambert-St Louis Intl to Houston

The chart below displays the airlines Cheapflights users traveling from Lambert-St Louis Intl to Houston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$101 $226 No cancel fee 62%
American Airlines
$171 $343 No cancel fee 71%
Delta
$236 $390 No cancel fee N/A
United Airlines
$174 $392 No cancel fee 69%

Hourly flight availability from Lambert-St Louis Intl to Houston

See what time of day planes typically take off from Lambert-St Louis Intl towards Houston.
Early morning Midnight to 6 AM 52% of STL to IAH departures
Morning 6 AM to noon 24% of STL to IAH departures
Afternoon Noon to 6 PM 24% of STL to IAH departures
Evening 6 PM to midnight 0% of STL to IAH departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Lambert-St Louis Intl to Houston
See how many times per day planes take to the skies headed from Lambert-St Louis Intl to Houston.
Sunday
9 daily flights
Monday
9 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
9 daily flights
Friday
8 daily flights
Saturday
8 daily flights
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