Cheap Flights from Houston Hobby to St Louis from $373

Compare Houston Hobby to St Louis flight deals

Find the cheapest month or even day of the year to fly to St Louis

Book the best St Louis fare with no extra fees

Flight deals from Houston Hobby to St Louis

Looking for a cheap last-minute deal or the best return flight from Houston Hobby Airport to St Louis Airport? If you want to travel next month, return fares start from $373. Find the lowest prices on one-way and return tickets right here.

St Louis.$373 per passenger.Departing Mon, 26 Oct, returning Fri, 30 Oct.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Mon, 26 Oct, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Fri, 30 Oct, arriving in Houston Hobby.Price includes taxes and charges.From $373, select.

St Louis.$373 per passenger.Departing Mon, 10 Aug, returning Mon, 10 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Mon, 10 Aug, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Mon, 10 Aug, arriving in Houston Hobby.Price includes taxes and charges.From $373, select.

St Louis.$373 per passenger.Departing Thu, 29 Oct, returning Wed, 4 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 29 Oct, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Wed, 4 Nov, arriving in Houston Hobby.Price includes taxes and charges.From $373, select.

St Louis.$374 per passenger.Departing Wed, 23 Sep, returning Sat, 26 Sep.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Wed, 23 Sep, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Sat, 26 Sep, arriving in Houston Hobby.Price includes taxes and charges.From $374, select.

St Louis.$374 per passenger.Departing Thu, 19 Nov, returning Thu, 26 Nov.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 19 Nov, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Thu, 26 Nov, arriving in Houston Hobby.Price includes taxes and charges.From $374, select.

St Louis.$374 per passenger.Departing Thu, 26 Nov, returning Thu, 3 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Thu, 26 Nov, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Thu, 3 Dec, arriving in Houston Hobby.Price includes taxes and charges.From $374, select.

St Louis.$374 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 1 Dec, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Tue, 8 Dec, arriving in Houston Hobby.Price includes taxes and charges.From $374, select.

St Louis.$705 per passenger.Departing Wed, 12 May, returning Mon, 31 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Houston Hobby on Wed, 12 May, arriving in St Louis.Inbound indirect flight with Delta, departs from St Louis on Mon, 31 May, arriving in Houston Hobby.Price includes taxes and charges.From $705, select.

St Louis.$866 per passenger.Departing Tue, 28 Jul, returning Mon, 10 Aug.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 28 Jul, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Mon, 10 Aug, arriving in Houston Hobby.Price includes taxes and charges.From $866, select.

St Louis.$1,314 per passenger.Departing Tue, 28 Jul, returning Thu, 30 Jul.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Houston Hobby on Tue, 28 Jul, arriving in St Louis.Inbound direct flight with Southwest Airlines departs from St Louis on Thu, 30 Jul, arriving in Houston Hobby.Price includes taxes and charges.From $1,314, select.

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

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

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Direct flights from Houston Hobby to St Louis

Houston Hobby to St Louis: Alternative routes

Compare routes from Houston Hobby to St Louis below. You may find an airport to fly into that's cheaper, faster, or easier than St Louis.

St Louis

20km from central St Louis

ClosestCheapest

from $373

Search flights

Belleville

32km from central St Louis

Search flights

Houston to St Louis: Flight information

The things to know before you go.

Cheapest flight found	$373
Cheapest month to fly	October
Average flight time	2 hrs
Most popular airline	Southwest Airlines
Average flights per week	36

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

How much are return flights from Houston Hobby to St Louis?

The best price we found for a return flight from Houston Hobby to St Louis is $373. 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 Houston Hobby to St Louis?

2 hours is the average flight time from Houston Hobby to St Louis.

Which airlines fly direct from Houston Hobby to St Louis?

Southwest Airlines flies direct from Houston Hobby to St Louis.

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

As of July 2026, there are 36 flights per week flying from Houston Hobby to St Louis.

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Houston Hobby Airport to St Louis Airport on Thursday, 29 October 2026.

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

Yes – the average flight time is 2 hours.

How can I find the best flight deal to St Louis?

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 St Louis 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 St Louis?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to St Louis is around 40 days in advance, so don’t leave your flight to the last minute.

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

Currently, Southwest Airlines offers the cheapest flight tickets to St Louis.

Flying from Houston Hobby Airport (HOU) to St Louis Airport (STL): what you need to know

Around 2 hours is how long you can expect to be travelling on a direct flight from Houston Hobby Airport to St Louis Airport.
Houston and St Louis follow the same timezone, UTC-6.
Flights from HOU to STL start from 05:05 — the first with Southwest Airlines. The last service of the day is at 22:15 with Southwest Airlines. Overall, you can take your pick of 18 weekly Houston Hobby Airport to St Louis Airport flights.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Make sure you're at the airport on time to board your HOU to STL flight.
During popular months such as July, you'll want to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.
Southwest Airlines is your gateway to exploring St Louis (and maybe even some other exciting parts of the United States!). Browse the direct flights from Houston Hobby Airport to St Louis Airport offered by this popular carrier.
Most travellers choose to fly with Southwest Airlines on this route.
Southwest Airlines ranks as the leading on-time carrier for HOU to STL flights, with 83.4% of services landing as scheduled.
We make it simple to book a flight with a stopover. To see all your options for tickets from Houston Hobby Airport to St Louis Airport, uncheck 'Direct flights only.' Then, pick a flight offering a stop long enough to visit the city of your choice. Worthwhile stopovers between HOU and STL include:
- Nashville Airport
- Kansas City International Airport
- Dallas Love Field Airport

Handy information about Houston Hobby Airport (HOU)

You'll find HOU at 7800 Airport Boulevard.
79% of flights departing from Houston Hobby Airport arrive at their destination on time.
To reach Houston Hobby Airport from central Houston, it'll take around 20 minutes if you're travelling by car. Of course, this depends on traffic conditions. It's approximately 19 kilometres from the airport to the city centre.
Planning to take public transport? You can expect a journey time of around 50 minutes.
Taking an early flight from Houston Hobby Airport to St Louis Airport? Avoid the stress of rushing to the airport (and catch some extra z's) by picking one of these hotels close to HOU:

Arriving at St Louis Airport (STL)

The last thing you want is a long journey to your hotel if you're landing late on a Houston Hobby Airport to St Louis Airport flight. Stay at one of these accommodation options near STL instead:
Follow your own route with a St Louis Airport rental car. Pick up a set of wheels from Hertz, Budget or Alamo and find adventure across St Louis and beyond.
Lock in the best possible rate by booking your vehicle from St Louis Airport around one week in advance of your trip.

Getting from St Louis Airport (STL) to central St Louis

The address for STL is 10701 Lambert International Blvd..
St Louis Airport is roughly 24 kilometres from central St Louis. Driving there takes about 25 minutes.
It'll take around 30 minutes if you're travelling on public transport.

When to fly to St Louis Airport (STL)

It's time to choose your travel dates for your flight from Houston Hobby Airport to St Louis Airport. July is the most popular month to head to St Louis. If you want a more laid-back vibe, go in March.
When reserving your flight from Houston Hobby Airport to St Louis Airport, consider the kind of weather you like. July is the warmest month in St Louis, with the temperature ranging from 17ºC to 33ºC.
January has average temperatures of between -7ºC and 8ºC. Look for cheap tickets from HOU to STL around that time if you like cooler conditions.

Explore more of the United States

You've visited St Louis, now it's time to discover more of the United States. Journey around 418 kilometres north-east to Chicago to check off its popular sights. From Millennium Park to Art Institute of Chicago and Willis Tower, there's plenty to keep you busy.
Indianapolis is another must-experience destination in the United States and is around 370 kilometres east of St Louis. No journey is complete without visiting Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.