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

Flights overview

Useful information for finding cheap flights from St. Louis to Houston and booking your next trip

Cheapest round-trip flights	$161	Frontier 1 stop 13 hr Thu, Apr 23 — Mon, Apr 27	The cheapest round-trip flight from St. Louis to Houston is currently $161
Cheapest one-way flight	$64	Frontier 1 stop 7 hr Wed, Feb 25	The cheapest one-way flight from St. Louis to Houston is currently $64
Cheapest nonstop flights	$317	Southwest Nonstop 3 hr Thu, Mar 5 — Mon, Mar 9	The cheapest nonstop round-trip flight from St. Louis to Houston is currently $317
Last-minute weekend getaway	$242	Frontier 1 stop 23 hr Thu, Jan 29 — Mon, Feb 2	The cheapest last-minute weekend getaway from St. Louis to Houston is currently $242
Cheapest business class flights	$587	United Nonstop 3 hr Thu, Feb 26 — Mon, Mar 2	The cheapest business class round-trip flight from St. Louis to Houston is currently $587

Fastest flight	2 hr 10 min	The fastest nonstop flight from St. Louis to Houston takes 2 hr 10 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from St. Louis to Houston is typically February. The most expensive month to fly is typically July.

February Cheapest	Typical prices: $140–320
July Most expensive	Typical prices: $215–295

Popular airlines from St. Louis to Houston

Southwest

Nonstop

from $317

Typical price: $270–530

22 weekly nonstop flights

STL - HOU Every day

2184 weekly connecting flights

STL - HOU Every day
United

Nonstop

from $317

Typical price: $270–570

17 weekly nonstop flights

STL - IAH Every Mon, Tue, Wed, Thu, Fri, Sat

373 weekly connecting flights

STL - IAH Every day
American

from $333

Typical price: $280–580

503 weekly connecting flights

STL - HOU, IAH Every day
Delta

from $337

Typical price: $310–610

234 weekly connecting flights

STL - HOU, IAH Every day
Frontier

from $161

Typical price: $165–360

20 weekly connecting flights

STL - IAH Every day
Alaska

from $523

Typical price: $620–1,750

12 weekly connecting flights

STL - IAH Every Mon, Tue, Wed, Thu, Fri, Sat

Popular airports near St. Louis

St. Louis Lambert International Airport (STL)

St. Louis United States 21 min 12 mi
General Wayne A. Downing Peoria International Airport (PIA)

Peoria United States 2 hr 35 min 143 mi
MidAmerica St. Louis Airport (BLV)

Belleville United States 34 min 20 mi
Indianapolis International Airport (IND)

Indianapolis United States 3 hr 29 min 222 mi

Popular airports near Houston

George Bush Intercontinental Airport (IAH)

Houston United States 22 min 16 mi
William P. Hobby Airport (HOU)

Houston United States 23 min 9 mi
Dallas Fort Worth International Airport (DFW)

Dallas United States 3 hr 51 min 237 mi
Austin-Bergstrom International Airport (AUS)

Austin United States 2 hr 26 min 140 mi

Frequently asked questions about flying from St. Louis to Houston

The cheapest flights from St. Louis to Houston are usually in February. Typical ticket prices in February range from $140 to $320.

The cheapest round-trip flight from St. Louis to Houston recently found on Google Flights was with Frontier from $161. The cheapest one-way flight was with Frontier from $64.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Houston is $317, flying from Mar 5 to Mar 9.
The cheapest United flight from St. Louis to Houston is $317, flying from Feb 26 to Mar 2.
The cheapest American flight from St. Louis to Houston is $333, flying from Feb 28 to Mar 2.
The cheapest Delta flight from St. Louis to Houston is $337, flying from Apr 23 to Apr 27.
The cheapest Frontier flight from St. Louis to Houston is $161, flying from Apr 23 to Apr 27.
The cheapest Alaska flight from St. Louis to Houston is $523, flying from Apr 18 to Apr 19.

The cheapest round-trip flight from St. Louis to Houston starts at $161 from Thu, Apr 23 to Mon, Apr 27. The cheapest one-way flight starts at $64 and departs on Wed, Feb 25.

2 hr 10 min is the shortest flight time from St. Louis to Houston.

Most visitors explore Houston May–Aug when the days are hot and humid. Winters (Nov–Feb) tend to be mild. Local events include the Martin Luther King, Jr., Grande Parade (Jan) and the Houston Livestock Show & Rodeo (Mar).

It's easy to use Google Flights to find the cheapest days to fly from St. Louis to Houston.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from St. Louis to Houston really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from St. Louis to Houston.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 22 nonstop flights and 2,184 connecting flights per week. Southwest flies from St. Louis Lambert International Airport (STL) to William P. Hobby Airport (HOU) .

Other popular airlines flying from St. Louis to Houston are:

United offers 17 nonstop flights and 373 connecting flights per week. United flies from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) .
American offers 503 connecting flights per week. American flies from St. Louis Lambert International Airport (STL) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
Delta offers 234 connecting flights per week. Delta flies from St. Louis Lambert International Airport (STL) to William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) .
Frontier offers 20 connecting flights per week. Frontier flies from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) .
Alaska offers 12 connecting flights per week. Alaska flies from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) .

The number of connecting flights refers to distinct flights with at least one stop between St. Louis and Houston.

The cheapest round-trip flight from St. Louis to Houston recently found on Google Flights was with Frontier from $161. The cheapest one-way flight was with Frontier from $64.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Southwest flight from St. Louis to Houston is $317, flying from Mar 5 to Mar 9.
The cheapest United flight from St. Louis to Houston is $317, flying from Feb 26 to Mar 2.
The cheapest American flight from St. Louis to Houston is $333, flying from Feb 28 to Mar 2.
The cheapest Delta flight from St. Louis to Houston is $337, flying from Apr 23 to Apr 27.
The cheapest Frontier flight from St. Louis to Houston is $161, flying from Apr 23 to Apr 27.
The cheapest Alaska flight from St. Louis to Houston is $523, flying from Apr 18 to Apr 19.

Southwest and United fly direct from St. Louis to Houston.

There are 22 Southwest direct flights from St. Louis to Houston per week. Flights are available every day.
There are 17 United direct flights from St. Louis to Houston per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between St. Louis and Houston at price $242 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

Southwest and United fly direct from St. Louis to Houston.

There are 22 Southwest direct flights from St. Louis to Houston per week. Flights are available every day.
There are 17 United direct flights from St. Louis to Houston per week. Flights are available on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from St. Louis to Houston on a daily basis.

The cheapest direct (nonstop) round-trip flights between St. Louis and Houston start at $317 from Thu, Mar 5 to Mon, Mar 9 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from St. Louis to Houston, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between St. Louis and Houston start at $587 from Thu, Feb 26 to Mon, Mar 2 with United.

The cheapest economy class round-trip flights between St. Louis and Houston start at $161 from Thu, Apr 23 to Mon, Apr 27.

To book business class trips from St. Louis to Houston, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between St. Louis and Houston starts at $242 from Thu, Jan 29 to Mon, Feb 2 with Frontier.

The cheapest last-minute deal between St. Louis and Houston at price $242 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

To find last-minute flight deals from St. Louis to Houston, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.