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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 Tuesday or Saturday and return on a Wednesday

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

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

$108

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 Monday departure is the best way to save up to 30% 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 39% on your trip compared to booking a flight in the afternoon.

Cheap flights from Lambert-St Louis Intl to Houston in January, February 2021

20 Feb - 24 Feb
$88pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
26 Feb - 28 Feb
$112pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
19 Feb - 21 Feb
$122pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis

Lambert-St Louis Intl to Houston 2021 flight deals

5 Mar - 8 Mar
$88pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
26 Feb - 28 Feb
$112pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
15 May - 22 May
$118pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis

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

25 Feb - 28 Feb
$177pp
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
22 Mar - 26 Mar
$182pp
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
12 Feb - 19 Feb
$197pp
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

4 Feb - 7 Feb
$131pp
STL
Lambert-St Louis
Frontier
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Frontier
 
1 STOP
STL
Lambert-St Louis
4 Feb - 7 Feb
$138pp
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
4 Feb - 7 Feb
$139pp
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

3:00 am - 8:21 am
Delta
1 Stop
5h 21m
STL - IAH
Delta
$108
Delta
3:43 pm - 6:44 pm
Frontier
1 Stop
27h 01m
STL - IAH
Frontier
$122
Gotogate
1:17 am - 8:57 am
American Airlines
1 Stop
7h 40m
STL - IAH
American Airlines

Related info for your journey

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.

What safety measures are being taken by airlines flying from Lambert-St Louis to Houston George Bush Intcntl 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 Lambert-St Louis to Houston George Bush Intcntl 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 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.

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

Yes, there are multiple flights from Lambert-St Louis Intl to Houston for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $128.

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 $263.

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 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.

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

For as low as $88, Frontier can have you in Houston from Lambert-St Louis Intl in 10h 39m.

What is the cheapest airline to fly from Lambert-St Louis Intl to Houston round-trip?

Flying on Frontier is currently your cheapest option to Houston, with prices starting at $88. Frontier is priced at 71% 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?

$50 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $99 and $106, respectively.

Alternative routes for Lambert-St Louis Intl to Houston

Destination information for Houston

Average temperature for January in Houston
59.0 °F

Airports servicing St. Louis

Airports servicing Houston

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

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

Early morning Midnight to 6 AM 56% of STL to IAH departures
Morning 6 AM to noon 22% of STL to IAH departures
Afternoon Noon to 6 PM 22% 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
Sunday
6 daily flights
Monday
7 daily flights
Tuesday
7 daily flights
Wednesday
7 daily flights
Thursday
6 daily flights
Friday
6 daily flights
Saturday
7 daily flights
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