Cheap Flights from St Louis to Houston

Return selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below

Include nearby airports

selected

Travellers and cabin class, 1 Adult, Economy

Compare St Louis to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

Book the best Houston fare with no extra fees

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from St Louis to Houston

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Houston? If you want to travel next month, return fares start from SAR 486. Find the lowest prices on one-way and return tickets right here.

Houston.SAR 438 per passenger.Departing Wed, 7 Oct, returning Wed, 14 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 7 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Wed, 14 Oct, arriving in St Louis.Price includes taxes and charges.From SAR 438, select.

Houston.SAR 483 per passenger.Departing Fri, 30 Oct, returning Tue, 3 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 30 Oct, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 3 Nov, arriving in St Louis.Price includes taxes and charges.From SAR 483, select.

Houston.SAR 486 per passenger.Departing Mon, 14 Sep, returning Tue, 22 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 14 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 22 Sep, arriving in St Louis.Price includes taxes and charges.From SAR 486, select.

Houston.SAR 528 per passenger.Departing Mon, 14 Sep, returning Tue, 10 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 14 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Tue, 10 Nov, arriving in St Louis.Price includes taxes and charges.From SAR 528, select.

Houston.SAR 619 per passenger.Departing Wed, 4 Nov, returning Sun, 8 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 4 Nov, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Sun, 8 Nov, arriving in St Louis.Price includes taxes and charges.From SAR 619, select.

Houston.SAR 666 per passenger.Departing Sat, 26 Sep, returning Thu, 1 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 26 Sep, arriving in Houston George Bush Intercntl..Inbound indirect flight with Frontier Airlines, departs from Houston George Bush Intercntl. on Thu, 1 Oct, arriving in St Louis.Price includes taxes and charges.From SAR 666, select.

Houston.SAR 810 per passenger.Departing Sat, 3 Oct, returning Sat, 10 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from St Louis on Sat, 3 Oct, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Sat, 10 Oct, arriving in St Louis.Price includes taxes and charges.From SAR 810, select.

Houston.SAR 810 per passenger.Departing Tue, 15 Sep, returning Tue, 15 Sep.Return flight with United.Outbound direct flight with United departs from St Louis on Tue, 15 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 15 Sep, arriving in St Louis.Price includes taxes and charges.From SAR 810, select.

Houston.SAR 811 per passenger.Departing Wed, 6 Jan, returning Wed, 20 Jan.Return flight with United.Outbound direct flight with United departs from St Louis on Wed, 6 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 20 Jan, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Mon, 18 Jan, returning Mon, 1 Feb.Return flight with United.Outbound direct flight with United departs from St Louis on Mon, 18 Jan, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Mon, 1 Feb, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Tue, 22 Dec, returning Tue, 5 Jan.Return flight with United.Outbound direct flight with United departs from St Louis on Tue, 22 Dec, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Tue, 5 Jan, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Sat, 31 Oct, returning Tue, 3 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from St Louis on Sat, 31 Oct, arriving in Houston Hobby.Inbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 3 Nov, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Wed, 17 Feb, returning Wed, 24 Feb.Return flight with United.Outbound direct flight with United departs from St Louis on Wed, 17 Feb, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 24 Feb, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Sat, 26 Sep, returning Thu, 1 Oct.Return flight with United.Outbound direct flight with United departs from St Louis on Sat, 26 Sep, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 1 Oct, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Wed, 18 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from St Louis on Wed, 18 Nov, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Wed, 2 Dec, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Houston.SAR 811 per passenger.Departing Thu, 12 Nov, returning Thu, 26 Nov.Return flight with United.Outbound direct flight with United departs from St Louis on Thu, 12 Nov, arriving in Houston George Bush Intercntl..Inbound direct flight with United departs from Houston George Bush Intercntl. on Thu, 26 Nov, arriving in St Louis.Price includes taxes and charges.From SAR 811, select.

Find the cheapest month to fly from St Louis to Houston

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

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Direct flights from St Louis to Houston

Alternative St Louis to Houston routes

Looking for the cheapest, fastest or easiest route from St Louis to Houston? You could fly into the following airports instead.

St Louis to Houston: Flight information

The things to know before you go.

Cheapest flight found	SAR 438
Cheapest month to fly	October
Average flight time	2 hrs, 13 mins
Most popular airline	Southwest Airlines
Average flights per week	163

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

How many airports are there in Houston?

There are 3 airports in Houston: Houston Hobby, Houston George Bush Intercntl. and Houston Ellington Field.

How much are return flights from St Louis to Houston?

The best price we found for a return flight from St Louis to Houston is SAR 438. 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.

How long does it take to fly from St Louis to Houston?

2 hours and 13 minutes is the average flight time from St Louis to Houston.

Which airlines fly direct from St Louis to Houston?

Southwest Airlines, United and Virgin Australia fly direct from St Louis to Houston.

How many flights are there a week from St Louis to Houston?

As of August 2026, there are 326 flights per week flying from St Louis to Houston.

When is the cheapest time to fly from St Louis to Houston?

The cheapest month to fly from St Louis to Houston is usually October.

Which is the cheapest airport to fly into in Houston?

If you're flying from St Louis Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 24.9 km away from the centre of Houston. We've found flights into this airport from SAR 438.

Which upcoming date is cheapest to fly from St Louis Airport to Houston on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Houston on Wednesday, 7 October 2026.

Can I get a direct flight from St Louis Airport to Houston?

Yes – the average flight time is 2 hours and 13 minutes.

How can I get the best flight deal from St Louis Airport to Houston?

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 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.

When is the best time to book flights to Houston?

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.

What’s the weather like in Houston?

In August, the average temperature is usually around 29°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.

Which is the cheapest airline to fly from St Louis Airport to Houston with?

Currently, Frontier Airlines and United offer the cheapest flight tickets to Houston.

How to find cheap flights to Houston from St Louis

Looking for cheap tickets from St Louis to Houston? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from St Louis to Houston. And with us there are no hidden fees - what you see is what you pay.
Compare flight deals to Houston from St Louis from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
Flex your dates to find the best St Louis-Houston ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Houston from St Louis.
Set up a Price Alert. You can easily track the fare of your cheap St Louis-Houston flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between St Louis and Houston? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
Find the cheapest Business class flights from St Louis and Houston. We scour the internet for the best Business, Premium Economy and First Class flight fares to Houston, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
Include nearby airports in your search. Widen your search for St Louis to Houston flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.

Combine your flight to Houston from St Louis with hotels and car hire

Once you've secured your cheap flight ticket from St Louis to Houston, discover the best prices and exclusive rates for hotels in Houston or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.