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

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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 Wednesday

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

STL - IAH
Price
$305 - $396
IAH
Temperature
59 - 86 °F
Popular in March High demand for flights, 12% potential price rise
Cheapest in September Best time to find cheap flights, 12% potential price drop
Round-trip from S$ 305 From St Louis to Houston
One-way from S$ 169 One-way flight from St Louis 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 St Louis to Houston?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 30% when planning your travel around this day of the week.

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

Users have found that booking a flight from St Louis to Houston at least 27 days early can save you up to 43% on average compared to booking a flight this week. If booking 27 days before your flight isn’t an option for you, users have found flights from St Louis to Houston for as little as $167 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $207 for flights departing within the next 3 days.

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

The best pricing can be found in the month of October. Prices to Houston from St Louis average $162. You can even find prices in October for less than $162, as users have found deals to Houston from as low as $74. The month of January appears to be one of the more expensive times to travel to Houston from St Louis. Flying in the targeted month can save you up to 21%.

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

It’s optimal to fly from St Louis to Houston in the evening. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from St Louis to Houston in September, October 2020

The best prices found for STL to IAH flights for September, October
9 Oct - 24 Oct
$110pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
2 Oct - 5 Oct
$120pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
23 Oct - 25 Oct
$121pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis

St Louis to Houston 2020 flight deals

Cheap flights to Houston from St Louis found for this year
2 Nov - 2 Nov
$101pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
9 Oct - 24 Oct
$110pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
2 Oct - 5 Oct
$120pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-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
2 Oct - 5 Oct
$120pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
2 Oct - 5 Oct
$170pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
United Airlines
Non-Stop
STL
Lambert-St Louis
30 Sep - 4 Oct
$276pp
STL
Lambert-St Louis
Delta
 
1 STOP
IAH
Houston George Bush Intcntl
IAH
Houston George Bush Intcntl
Delta
 
1 STOP
STL
Lambert-St Louis

One-way flights to Houston from St Louis

The cheapest one-way flights from St Louis to Houston
2:00 am - 11:58 am
Delta
1 Stop
9h 58m
STL - IAH
Delta
$169
Delta
2:45 am - 4:40 am
Multiple Airlines
3 Stops
25h 55m
STL - IAH
Multiple Airlines
$769
United
6:15 am - 3:30 pm
Linear Air Taxi
2 Stops
9h 15m
STL - IAH
Linear Air Taxi
$6,480
Travelgenio

Related info for your journey

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

Flight FAQs

From St Louis 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.

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

Yes, there are multiple flights from St Louis to Houston for under $200. The cheapest flight booked recently is on Multiple Airlines for just $101, but on average you can expect to pay $185.

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

There are no nonstop flights from St Louis to Houston, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

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

There are currently 11+ open flights from St Louis 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 10 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 St Louis to Houston?

Departing from St Louis to Houston will take you 4h 20m.

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

Cheapflights users have booked flights from St Louis to Houston round-trip from $158. Users have found that Delta is 54% cheaper than the other options available to this destination.

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

To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $169. Delta is not the only option available. At the moment, Linear Air Taxi is another option, for $4,335.

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
Average temperature for September in Houston
82.4 °F

Airports servicing St. Louis

Airports servicing Houston

Hourly flight availability from St Louis to Houston

Early morning Midnight to 6 AM 42% of STL to IAH departures
Morning 6 AM to noon 29% of STL to IAH departures
Afternoon Noon to 6 PM 29% 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 St Louis to Houston
Sunday
7 daily flights
Monday
6 daily flights
Tuesday
7 daily flights
Wednesday
6 daily flights
Thursday
7 daily flights
Friday
7 daily flights
Saturday
7 daily flights
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