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

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

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

September is typically the cheapest month to fly

From £82 - £281 per traveller.

Graph displaying average flight prices per month

Flight from Houston to St. Louis route information
Origin airport
William P. Hobby
Destination airport
Lambert-St. Louis Intl.
Distance
1099 km
Average flight time
2 hours 1 min

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

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

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 William P. Hobby (HOU) to Lambert-St. Louis Intl. (STL)

The easiest way to view the best deals on flights from Houston to St. Louis 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 William P. Hobby to Lambert-St. Louis Intl. start at just and range up to .  

To find an even better deal, try  

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

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

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from William P. Hobby to Lambert-St. Louis Intl. 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 William P. Hobby Airport (HOU) to STL?
Round-trip tickets between William P. Hobby Airport and STL start from . This price is based on fares available within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from William P. Hobby Airport to Lambert Field?
We get that things crop up unexpectedly, so we've made it as hassle-free as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from HOU to St. Louis Lambert International Airport 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 William P. Hobby Airport (HOU) to St. Louis Lambert International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from William P. Hobby Airport (HOU) to St. Louis Lambert International Airport?
The distance from William P. Hobby Airport (HOU) to STL (STL) is just 1,100 kilometres. You'll be walking down the air bridge and grabbing your bags from the carousel in the blink of an eye.
Which airlines fly direct from William P. Hobby Airport to Lambert Field?
Operating 117 monthly flights, Southwest Airlines (WN) is a popular choice when flying directly from William P. Hobby Airport to STL.
Are William P. Hobby Airport to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from William P. Hobby Airport to St. Louis Lambert International Airport last minute could save you some serious cash. However, it might cost you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

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