Cheap flights from Houston to St. Louis

Flights overview

Useful information for finding cheap flights from Houston to St. Louis and booking your next trip
Cheapest round-trip flights $110
Frontier 1 stop 9 hr Thu, Jan 8 — Mon, Jan 12
The cheapest round-trip flight from Houston to St. Louis is currently $110
Cheapest one-way flight $61
Frontier 1 stop 27 hr Wed, Jan 7
The cheapest one-way flight from Houston to St. Louis is currently $61
Cheapest nonstop flights $317
Southwest Nonstop 2 hr Thu, Jan 8 — Mon, Jan 12
The cheapest nonstop round-trip flight from Houston to St. Louis is currently $317
Last-minute weekend getaway $367
Frontier 1 stop 8 hr Thu, Nov 20 — Sun, Nov 23
The cheapest last-minute weekend getaway from Houston to St. Louis is currently $367
Cheapest business class flights $587
United Nonstop 3 hr Thu, Jan 15 — Mon, Jan 19
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 January. The most expensive month to fly is typically July.
January
Cheapest
Typical prices: $115–290
July
Most expensive
Typical prices: $220–325

Popular airlines from Houston to St. Louis

  • Southwest
    Nonstop
    from $291
    Typical price: $270–530
    32 weekly nonstop flights
    HOU - STL Every day
    2246 weekly connecting flights
    HOU - STL Every day
  • United
    Nonstop
    from $229
    Typical price: $270–560
    27 weekly nonstop flights
    IAH - STL Every day
    448 weekly connecting flights
    IAH - STL Every day
  • American
    from $214
    Typical price: $285–580
    626 weekly connecting flights
    HOU, IAH - STL Every day
  • Delta
    from $337
    Typical price: $315–610
    272 weekly connecting flights
    HOU, IAH - STL Every day
  • Frontier
    from $110
    Typical price: $150–370
    25 weekly connecting flights
    IAH - STL Every day
  • Alaska
    from $492
    Typical price: $630–1,600
    15 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
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 2 hr 26 min 140 mi
  • San Antonio International Airport (SAT)
    San Antonio United States 3 hr 2 min 186 mi

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. Louis United States 21 min 12 mi
  • MidAmerica St. Louis Airport (BLV)
    Belleville United States 34 min 20 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

Frequently asked questions about flying from Houston to St. Louis

When are the cheapest days to fly from Houston to St. Louis?
The cheapest flights from Houston to St. Louis are usually in January. Typical ticket prices in January range from $115 to $290.
Which airlines provide the cheapest flights from Houston to St. Louis?
The cheapest round-trip flight from Houston to St. Louis recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $61.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to St. Louis is $291, flying from Jan 17 to Jan 18.
  • The cheapest United flight from Houston to St. Louis is $229, flying from Jan 17 to Jan 18.
  • The cheapest American flight from Houston to St. Louis is $214, flying from Jan 17 to Jan 18.
  • The cheapest Delta flight from Houston to St. Louis is $337, flying from Jan 15 to Jan 19.
  • The cheapest Frontier flight from Houston to St. Louis is $110, flying from Jan 8 to Jan 12.
  • The cheapest Alaska flight from Houston to St. Louis is $492, flying from Feb 6 to Feb 9.
What are the cheapest flights from Houston to St. Louis?
The cheapest round-trip flight from Houston to St. Louis starts at $110 from Thu, Jan 8 to Mon, Jan 12. The cheapest one-way flight starts at $61 and departs on Wed, Jan 7.
How long does it take to fly from Houston to St. Louis?
1 hr 55 min is the shortest flight time from Houston to St. Louis.
When should you fly to St. Louis, United States?
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.
How do I find cheap dates to fly from Houston to St. Louis?
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 is the best airline to fly from Houston to St. Louis?
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 32 nonstop flights and 2,246 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 27 nonstop flights and 448 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
  • American offers 626 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 272 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 25 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL) .
  • Alaska offers 15 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.
Which airlines provide the cheapest flights from Houston to St. Louis?
The cheapest round-trip flight from Houston to St. Louis recently found on Google Flights was with Frontier from $110. The cheapest one-way flight was with Frontier from $61.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to St. Louis is $291, flying from Jan 17 to Jan 18.
  • The cheapest United flight from Houston to St. Louis is $229, flying from Jan 17 to Jan 18.
  • The cheapest American flight from Houston to St. Louis is $214, flying from Jan 17 to Jan 18.
  • The cheapest Delta flight from Houston to St. Louis is $337, flying from Jan 15 to Jan 19.
  • The cheapest Frontier flight from Houston to St. Louis is $110, flying from Jan 8 to Jan 12.
  • The cheapest Alaska flight from Houston to St. Louis is $492, flying from Feb 6 to Feb 9.
Which airlines have direct flights from Houston to St. Louis?
Southwest and United fly direct from Houston to St. Louis.
  • There are 32 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
  • There are 27 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.
Which airline provides the cheapest last-minute getaway flight from Houston to St. Louis?
The cheapest last-minute deal between Houston and St. Louis at price $367 is offered by Frontier from Thu, Nov 20 to Sun, Nov 23.
Which airlines have direct flights from Houston to St. Louis?
Southwest and United fly direct from Houston to St. Louis.
  • There are 32 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
  • There are 27 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.
When are direct flights from Houston to St. Louis available?
There are direct flights from Houston to St. Louis on a daily basis.
What are the cheapest direct flights from Houston to St. Louis?
The cheapest direct (nonstop) round-trip flights between Houston and St. Louis start at $317 from Thu, Jan 8 to Mon, Jan 12 with Southwest.
How can I find nonstop flights from Houston to St. Louis?
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.
What are the cheapest business class flights from Houston to St. Louis?
The cheapest business class round-trip flights between Houston and St. Louis start at $587 from Thu, Jan 15 to Mon, Jan 19 with United.
What are the cheapest economy class flights from Houston to St. Louis?
The cheapest economy class round-trip flights between Houston and St. Louis start at $110 from Thu, Jan 8 to Mon, Jan 12.
How can I book business class trips from Houston to St. Louis?
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.
Are there any last-minute deals from Houston to St. Louis next weekend?
The best last-minute getaway deal for the next weekend between Houston and St. Louis starts at $367 from Thu, Nov 20 to Sun, Nov 23 with Frontier.
Which airline provides the cheapest last-minute getaway flight from Houston to St. Louis?
The cheapest last-minute deal between Houston and St. Louis at price $367 is offered by Frontier from Thu, Nov 20 to Sun, Nov 23.
How can I find last-minute flight deals from Houston to St. Louis?
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.

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