£148 Cheap Flights from St. Louis (STL) to Houston (HOU)

View £148 flight on Wed, 19 Nov 2025Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Houston William Hobby Airport (HOU)

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Cheap Flights from St. Louis (STL) to Houston (HOU)

Prices were available within the past 7 days and start at £148 for one-way flights and £313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
HOU
Houston
£313 Return, found 3 days ago
£313
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £313 found 3 days ago
American Airlines
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
IAH
Houston
£313 Return, found 3 days ago
£313
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £313 found 3 days ago
Delta
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
HOU
Houston
£320 Return, found 3 days ago
£320
Return
found 3 days ago
Select Delta flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £320 found 3 days ago
American Airlines
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
IAH
Houston
£328 Return, found 3 days ago
£328
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £328 found 3 days ago
American Airlines
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
IAH
Houston
£336 Return, found 3 days ago
£336
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £336 found 3 days ago
Delta
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
HOU
Houston
£338 Return, found 3 days ago
£338
Return
found 3 days ago
Select Delta flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £338 found 3 days ago
Delta
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
HOU
Houston
£350 Return, found 3 days ago
£350
Return
found 3 days ago
Select Delta flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £350 found 3 days ago
American Airlines
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
IAH
Houston
£351 Return, found 3 days ago
£351
Return
found 3 days ago
Select American Airlines flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £351 found 3 days ago
United
Sat, 19 Jul - Sat, 26 Jul
STL
St. Louis
IAH
Houston
£359 Return, found 3 days ago
£359
Return
found 3 days ago
Select United flight, departing Sat, 19 Jul from St. Louis to Houston, returning Sat, 26 Jul, priced at £359 found 3 days ago
Alaska Airlines
Mon, 11 Aug - Mon, 18 Aug
STL
St. Louis
IAH
Houston
£409 Return, found 4 days ago
£409
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 11 Aug from St. Louis to Houston, returning Mon, 18 Aug, priced at £409 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Houston (HOU)

September is typically the cheapest month to fly

From £80 - £273 per traveller.

Graph displaying average flight prices per month

Flight from St. Louis to Houston route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
William P. Hobby
Return price
£313
Distance
1099 km
Average flight time
3 hours 54 mins

Compare flights from St. Louis to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Houston. Operating between them 6 flights per day, 20 airlines cover the route. And Southwest Airlines fly direct, getting you to William P. Hobby in just 2hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to William P. Hobby.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to William P. Hobby (HOU)

The easiest way to view the best deals on flights from St. Louis to Houston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to William P. Hobby start at just £313 and range up to £409.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near St. Louis and Houston
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your St. Louis to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to William P. Hobby for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to William P. Hobby Airport (HOU)?
Pack your bags, because round-trip journeys between Lambert Field and William P. Hobby Airport (HOU) start from £313. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to William P. Hobby Airport?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Lambert Field to HOU that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Lambert Field to HOU flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to William P. Hobby Airport (HOU)?
It's just 1,100 kilometres between STL and William P. Hobby Airport. Chances are you'll spend more time travelling to and from the airport than actually flying!
Which airlines fly direct from St. Louis Lambert International Airport to HOU?
Offering 117 flights monthly, Southwest Airlines (WN) is a great choice when flying straight from Lambert-St. Louis Intl. Airport (STL) to HOU.
Are Lambert-St. Louis Intl. Airport (STL) to HOU flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some super cheap fares from STL to HOU appearing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently --- as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

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