Cheap flights from St. Louis to Houston

Flights overview

Useful information for finding cheap flights from St. Louis to Houston and booking your next trip
Cheapest round-trip flights $108
Frontier 1 stop 6 hr Thu, Nov 13 — Mon, Nov 17
The cheapest round-trip flight from St. Louis to Houston is currently $108
Cheapest one-way flight $54
Frontier 1 stop 6 hr Thu, Nov 13
The cheapest one-way flight from St. Louis to Houston is currently $54
Cheapest nonstop flights $313
Southwest Nonstop 3 hr Thu, Nov 13 — Mon, Nov 17
The cheapest nonstop round-trip flight from St. Louis to Houston is currently $313
Last-minute weekend getaway $268
Frontier 1 stop 11 hr Thu, Oct 16 — Mon, Oct 20
The cheapest last-minute weekend getaway from St. Louis to Houston is currently $268
Cheapest business class flights $599
United Nonstop 3 hr Sat, Dec 13 — Mon, Dec 15
The cheapest business class round-trip flight from St. Louis to Houston is currently $599
Fastest flight 2 hr The fastest nonstop flight from St. Louis to Houston takes 2 hr
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 January. The most expensive month to fly is typically July.
January
Cheapest
Typical prices: $125–270
July
Most expensive
Typical prices: $215–295

Popular airlines from St. Louis to Houston

  • Southwest
    Nonstop
    from $313
    Typical price: $270–530
    28 weekly nonstop flights
    STL - HOU Every day
    2172 weekly connecting flights
    STL - HOU Every day
  • United
    Nonstop
    from $313
    Typical price: $275–560
    24 weekly nonstop flights
    STL - IAH Every day
    451 weekly connecting flights
    STL - IAH Every day
  • American
    from $276
    Typical price: $290–580
    646 weekly connecting flights
    STL - HOU, IAH Every day
  • Delta
    from $333
    Typical price: $315–610
    355 weekly connecting flights
    STL - HOU, IAH Every day
  • Frontier
    from $108
    Typical price: $150–345
    21 weekly connecting flights
    STL - IAH Every day
  • Alaska
    from $512
    Typical price: $630–1,850
    14 weekly connecting flights
    STL - IAH Every day

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. Louis United States 22 min 12 mi
  • General Wayne A. Downing Peoria International Airport (PIA)
    Peoria United States 2 hr 35 min 143 mi
  • Indianapolis International Airport (IND)
    Indianapolis United States 3 hr 28 min 222 mi
  • Columbia Regional Airport (COU)
    Columbia United States 2 hr 3 min 109 mi

Popular airports near Houston

  • George Bush Intercontinental Airport (IAH)
    Houston United States 21 min 16 mi
  • William P. Hobby Airport (HOU)
    Houston United States 23 min 9 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 2 hr 28 min 140 mi
  • San Antonio International Airport (SAT)
    San Antonio United States 3 hr 2 min 186 mi

Frequently asked questions about flying from St. Louis to Houston

When are the cheapest days to fly from St. Louis to Houston?
The cheapest flights from St. Louis to Houston are usually in January. Typical ticket prices in January range from $125 to $270.
Which airlines provide the cheapest flights from St. Louis to Houston?
The cheapest round-trip flight from St. Louis to Houston recently found on Google Flights was with Frontier from $108. The cheapest one-way flight was with Frontier from $54.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from St. Louis to Houston is $313, flying from Nov 13 to Nov 17.
  • The cheapest United flight from St. Louis to Houston is $313, flying from Dec 11 to Dec 15.
  • The cheapest American flight from St. Louis to Houston is $276, flying from Nov 20 to Nov 24.
  • The cheapest Delta flight from St. Louis to Houston is $333, flying from Nov 13 to Nov 17.
  • The cheapest Frontier flight from St. Louis to Houston is $108, flying from Nov 13 to Nov 17.
  • The cheapest Alaska flight from St. Louis to Houston is $512, flying from Dec 13 to Dec 14.
What are the cheapest flights from St. Louis to Houston?
The cheapest round-trip flight from St. Louis to Houston starts at $108 from Thu, Nov 13 to Mon, Nov 17. The cheapest one-way flight starts at $54 and departs on Thu, Nov 13.
How long does it take to fly from St. Louis to Houston?
2 hr is the shortest flight time from St. Louis to Houston.
When should you fly to Houston, United States?
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).
How do I find cheap dates to fly from St. Louis to Houston?
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 is the best airline to fly from St. Louis to Houston?
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 28 nonstop flights and 2,172 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 24 nonstop flights and 451 connecting flights per week. United flies from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) .
  • American offers 646 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 355 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 21 connecting flights per week. Frontier flies from St. Louis Lambert International Airport (STL) to George Bush Intercontinental Airport (IAH) .
  • Alaska offers 14 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.
Which airlines provide the cheapest flights from St. Louis to Houston?
The cheapest round-trip flight from St. Louis to Houston recently found on Google Flights was with Frontier from $108. The cheapest one-way flight was with Frontier from $54.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from St. Louis to Houston is $313, flying from Nov 13 to Nov 17.
  • The cheapest United flight from St. Louis to Houston is $313, flying from Dec 11 to Dec 15.
  • The cheapest American flight from St. Louis to Houston is $276, flying from Nov 20 to Nov 24.
  • The cheapest Delta flight from St. Louis to Houston is $333, flying from Nov 13 to Nov 17.
  • The cheapest Frontier flight from St. Louis to Houston is $108, flying from Nov 13 to Nov 17.
  • The cheapest Alaska flight from St. Louis to Houston is $512, flying from Dec 13 to Dec 14.
Which airlines have direct flights from St. Louis to Houston?
Southwest and United fly direct from St. Louis to Houston.
  • There are 28 Southwest direct flights from St. Louis to Houston per week. Flights are available every day.
  • There are 24 United direct flights from St. Louis to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
Which airline provides the cheapest last-minute getaway flight from St. Louis to Houston?
The cheapest last-minute deal between St. Louis and Houston at price $268 is offered by Frontier from Thu, Oct 16 to Mon, Oct 20.
Which airlines have direct flights from St. Louis to Houston?
Southwest and United fly direct from St. Louis to Houston.
  • There are 28 Southwest direct flights from St. Louis to Houston per week. Flights are available every day.
  • There are 24 United direct flights from St. Louis to Houston per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
When are direct flights from St. Louis to Houston available?
There are direct flights from St. Louis to Houston on a daily basis.
What are the cheapest direct flights from St. Louis to Houston?
The cheapest direct (nonstop) round-trip flights between St. Louis and Houston start at $313 from Thu, Nov 13 to Mon, Nov 17 with Southwest.
How can I find nonstop flights from St. Louis to Houston?
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.
What are the cheapest business class flights from St. Louis to Houston?
The cheapest business class round-trip flights between St. Louis and Houston start at $599 from Sat, Dec 13 to Mon, Dec 15 with United.
What are the cheapest economy class flights from St. Louis to Houston?
The cheapest economy class round-trip flights between St. Louis and Houston start at $108 from Thu, Nov 13 to Mon, Nov 17.
How can I book business class trips from St. Louis to Houston?
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.
Are there any last-minute deals from St. Louis to Houston next weekend?
The best last-minute getaway deal for the next weekend between St. Louis and Houston starts at $268 from Thu, Oct 16 to Mon, Oct 20 with Frontier.
Which airline provides the cheapest last-minute getaway flight from St. Louis to Houston?
The cheapest last-minute deal between St. Louis and Houston at price $268 is offered by Frontier from Thu, Oct 16 to Mon, Oct 20.
How can I find last-minute flight deals from St. Louis to Houston?
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.

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