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

Flights overview

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

Cheapest round-trip flights	$161	Frontier 1 stop 15 hr Thu, Feb 5 — Mon, Feb 9	The cheapest round-trip flight from Houston to St. Louis is currently $161
Cheapest one-way flight	$64	Frontier 1 stop 8 hr Wed, Feb 25	The cheapest one-way flight from Houston to St. Louis is currently $64
Cheapest nonstop flights	$317	Southwest Nonstop 2 hr Thu, Apr 23 — Mon, Apr 27	The cheapest nonstop round-trip flight from Houston to St. Louis is currently $317
Last-minute weekend getaway	$202	Frontier 1 stop 15 hr Thu, Jan 29 — Mon, Feb 2	The cheapest last-minute weekend getaway from Houston to St. Louis is currently $202
Cheapest business class flights	$587	United Nonstop 3 hr Thu, Apr 23 — Mon, Apr 27	The cheapest business class round-trip flight from Houston to St. Louis is currently $587

Fastest flight	1 hr 55 min	The fastest nonstop flight from Houston to St. Louis takes 1 hr 55 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 Houston to St. Louis is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $140–220
July Most expensive	Typical prices: $220–325

Popular airlines from Houston to St. Louis

Southwest

Nonstop

from $317

Typical price: $265–530

22 weekly nonstop flights

HOU - STL Every day

2243 weekly connecting flights

HOU - STL Every day
United

Nonstop

from $317

Typical price: $270–560

20 weekly nonstop flights

IAH - STL Every day

467 weekly connecting flights

IAH - STL Every day
American

from $337

Typical price: $280–580

480 weekly connecting flights

HOU, IAH - STL Every day
Delta

from $337

Typical price: $310–610

231 weekly connecting flights

HOU, IAH - STL Every day
Frontier

from $161

Typical price: $165–360

21 weekly connecting flights

IAH - STL Every day
Alaska

from $493

Typical price: $620–1,600

8 weekly connecting flights

IAH - STL Every day

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

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

Frequently asked questions about flying from Houston to St. Louis

The cheapest flights from Houston to St. Louis are usually in September. Typical ticket prices in September range from $140 to $220.

The cheapest round-trip flight from Houston to St. Louis 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 Houston to St. Louis is $317, flying from Apr 23 to Apr 27.
The cheapest United flight from Houston to St. Louis is $317, flying from Apr 23 to Apr 27.
The cheapest American flight from Houston to St. Louis is $337, flying from Apr 23 to Apr 27.
The cheapest Delta flight from Houston to St. Louis is $337, flying from Apr 23 to Apr 27.
The cheapest Frontier flight from Houston to St. Louis is $161, flying from Feb 5 to Feb 9.
The cheapest Alaska flight from Houston to St. Louis is $493, flying from Apr 4 to Apr 5.

The cheapest round-trip flight from Houston to St. Louis starts at $161 from Thu, Feb 5 to Mon, Feb 9. The cheapest one-way flight starts at $64 and departs on Wed, Feb 25.

1 hr 55 min is the shortest flight time from Houston to St. Louis.

Apr–Sep is the most popular time to visit, coinciding with hot, humid summer and events like Fair St. Louis, a huge Fourth of July festival at Forest Park, and the Taste of St. Louis food festival (Sep). Weather in winter is cold, with occasional snow.

It's easy to use Google Flights to find the cheapest days to fly from Houston to St. Louis.
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 Houston to St. Louis 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 Houston to St. Louis.

In terms of nonstop flights, Southwest is the most popular. Southwest offers 22 nonstop flights and 2,243 connecting flights per week. Southwest flies from William P. Hobby Airport (HOU) to St. Louis Lambert International Airport (STL) .

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

United offers 20 nonstop flights and 467 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
American offers 480 connecting flights per week. American flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
Delta offers 231 connecting flights per week. Delta flies from William P. Hobby Airport (HOU) , George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
Frontier offers 21 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
Alaska offers 8 connecting flights per week. Alaska flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .

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

The cheapest round-trip flight from Houston to St. Louis 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 Houston to St. Louis is $317, flying from Apr 23 to Apr 27.
The cheapest United flight from Houston to St. Louis is $317, flying from Apr 23 to Apr 27.
The cheapest American flight from Houston to St. Louis is $337, flying from Apr 23 to Apr 27.
The cheapest Delta flight from Houston to St. Louis is $337, flying from Apr 23 to Apr 27.
The cheapest Frontier flight from Houston to St. Louis is $161, flying from Feb 5 to Feb 9.
The cheapest Alaska flight from Houston to St. Louis is $493, flying from Apr 4 to Apr 5.

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

There are 22 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
There are 20 United direct flights from Houston to St. Louis per week. Flights are available every day.

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

The cheapest last-minute deal between Houston and St. Louis at price $202 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

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

There are 22 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
There are 20 United direct flights from Houston to St. Louis per week. Flights are available every day.

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

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

The cheapest direct (nonstop) round-trip flights between Houston and St. Louis start at $317 from Thu, Apr 23 to Mon, Apr 27 with Southwest.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Houston to St. Louis, 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 Houston and St. Louis start at $587 from Thu, Apr 23 to Mon, Apr 27 with United.

The cheapest economy class round-trip flights between Houston and St. Louis start at $161 from Thu, Feb 5 to Mon, Feb 9.

To book business class trips from Houston to St. Louis, 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 Houston and St. Louis starts at $202 from Thu, Jan 29 to Mon, Feb 2 with Frontier.

The cheapest last-minute deal between Houston and St. Louis at price $202 is offered by Frontier from Thu, Jan 29 to Mon, Feb 2.

To find last-minute flight deals from Houston to St. Louis, 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.