170 € Cheap Flights from St Louis to Houston Hobby

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Flight deals from St Louis to Houston Hobby

Looking for a cheap last-minute deal or the best return flight from St Louis to Houston Hobby? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Houston Hobby

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Houston Hobby flights are currently cheapest in March.

Direct flights from St Louis to Houston Hobby

St Louis to Houston: Flight information

The things to know before you go.
Cheapest flight found170 €
Cheapest month to flyMarch
Average flight time2 hrs, 11 mins
Most popular airlineSouthwest Airlines
Average flights per week26

Finding cheap flights from St Louis to Houston Hobby: Frequently asked questions

The best price we found for a return flight from St Louis to Houston Hobby is 170 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 11 minutes is the average flight time from St Louis to Houston Hobby.
Southwest Airlines flies direct from St Louis to Houston Hobby.
As of February 2026, there are 26 flights per week flying from St Louis to Houston Hobby.
The cheapest month to fly from St Louis to Houston Hobby is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Houston Hobby Airport on Wednesday, 4 March 2026.
Yes – the average flight time is 2 hours and 11 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston Hobby but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Southwest Airlines offer the cheapest flight tickets to Houston Hobby.

Travelling from Lambert-St. Louis International Airport (STL) to William P. Hobby Airport (HOU): what you need to know

  • Book a direct flight from Lambert-St. Louis International Airport to William P. Hobby Airport and you'll be in the air for an average of 2 hours 5 minutes.

  • St Louis and Houston are in the UTC-5 timezone. This means there's no time difference to adjust for.

  • Flights from STL to HOU start at 05:20 — the first with Southwest Airlines. The last departure is at 22:45 with Southwest Airlines. In total, there are 22 weekly Lambert-St. Louis International Airport to William P. Hobby Airport flights.

  • Leave plenty of time to make your STL to HOU flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

  • Southwest Airlines is your gateway to discovering Houston (and maybe even some other exciting parts of United States!). Browse the direct flights from Lambert-St. Louis International Airport to William P. Hobby Airport offered by this airline.

  • Southwest Airlines is the airline most travellers choose for this route.

  • Southwest Airlines is the most punctual carrier offering STL to HOU flights. An exceptional 82.73% of its services on this route arrive without delay.

  • We make it a breeze to book a flight with a stopover. To see your options for tickets from Lambert-St. Louis International Airport to William P. Hobby Airport, deselect 'Direct flights only.' Then, pick a flight that has a stop long enough to visit the city of your choice. Popular stopovers between STL and HOU include:

    • Dallas Love Field Airport

    • Louis Armstrong New Orleans International Airport

    • Nashville International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to William P. Hobby Airport (HOU)

  • The cheapest price we've found for a one-way Lambert-St. Louis International Airport to William P. Hobby Airport flight is 83 €. A return fare right now is 170 €. Depending on the availability when you book, these fares may change.

  • Book six months before you want to fly. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from STL to HOU.

  • Schedule your trip for May. That's the cheapest month for flights from Lambert-St. Louis International Airport to William P. Hobby Airport. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across every month.

  • Cut down on the time spent looking for cheap flights from STL to HOU by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare pops up.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Lambert-St. Louis International Airport to William P. Hobby Airport.

Handy information about Lambert-St. Louis International Airport (STL)

  • STL is located at 10701 Lambert International Blvd..

  • Of all flights leaving Lambert-St. Louis International Airport, 78.04% arrive as scheduled at their destination.

  • To get to Lambert-St. Louis International Airport from central St Louis, it'll take about 20 minutes if you're travelling by car. Of course, this depends on traffic. It's approximately 26 kilometres from the airport to the city centre.

  • Catching public transport? You can expect a journey time of around 35 minutes.

  • Get your journey off to a relaxed start by staying near STL. Whether you've booked an early flight from Lambert-St. Louis International Airport to William P. Hobby Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at William P. Hobby Airport (HOU)

Getting from William P. Hobby Airport (HOU) to central Houston

  • You'll find HOU at 7800 Airport Boulevard.

  • From William P. Hobby Airport, Houston is approximately 19 kilometres away. It takes around 20 minutes to drive to the centre.

  • It takes roughly 1 hour 40 minutes if you're travelling by public transport.

When to fly to William P. Hobby Airport (HOU)

  • The quietest month for a flight from Lambert-St. Louis International Airport to William P. Hobby Airport is April, while July is the busiest. Choose the best time to visit Houston based on whether you prefer a faster pace or a more relaxed vibe.

  • The warmest month in Houston is August, with the temperature ranging between 24ºC (75ºF) and 40ºC (104ºF). Book your flights from Lambert-St. Louis International Airport to William P. Hobby Airport in this month if this is the kind of weather you like.

  • If you want to travel in cooler conditions, search for a cheap ticket from STL to HOU in January. Temperatures average between 5ºC (41ºF) and 19ºC (66ºF) then.

Explore more of United States

  • You've seen Houston, now it's time to discover more of United States. Travel about 306 kilometres west to San Antonio to check off its top sights. From The San Antonio River Walk to San Antonio Missions National Historical Park and San Fernando Cathedral, you'll have a packed itinerary ahead.

  • Around 370 kilometres north of Houston, Dallas is another favourite stop in United States. Experience this destination's highlights firsthand at Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.