Title: Cheap Flights from Houston to St. Louis (HOU to STL) - Expedia.co.uk ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Houston (HOU) to St. Louis (STL) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Houston William Hobby Airport (HOU) to Lambert-St. Louis International Airport (STL) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:hou,to:stl,departure:30/09/2025TANYT&leg2=from:stl,to:hou,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:hou,to:stl,departure:30/09/2025TANYT&leg2=from:stl,to:hou,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:hou,to:stl,departure:30/09/2025TANYT&leg2=from:stl,to:hou,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Find the cheapest month to fly from Houston (HOU) to St. Louis (STL) ### October is typically the cheapest month to fly From £86 - £291 per traveller. 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 20 mins | ## 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](https://www.expedia.co.uk/service/?langid=1033) 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. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Houston - [Houston to Mexico City (HOU - MEX)](https://expedia.co.uk/lp/flights/hou/mex/houston-to-mexico-city) - [Houston to Honolulu (HOU - HNL)](https://expedia.co.uk/lp/flights/hou/hnl/houston-to-honolulu) - [Houston to Istanbul (HOU - IST)](https://expedia.co.uk/lp/flights/hou/ist/houston-to-istanbul) - [Houston to Karachi (HOU - KHI)](https://expedia.co.uk/lp/flights/hou/khi/houston-to-karachi) - [Houston to New York (HOU - JFK)](https://expedia.co.uk/lp/flights/hou/jfk/houston-to-new-york) - [Houston to Dublin (HOU - DUB)](https://expedia.co.uk/lp/flights/hou/dub/houston-to-dublin) - [Houston to Lima (HOU - LIM)](https://expedia.co.uk/lp/flights/hou/lim/houston-to-lima) - 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Scan the QR code with your device camera and download our app ![QR code to download the app](data:image/png;base64,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)