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 flightsHK$1,129
Frontier1 stop17 hrSat, Jan 31 — Mon, Feb 2
The cheapest round-trip flight from Houston to St. Louis is currently HK$1,129
Cheapest one-way flightHK$542
Frontier1 stop15 hrWed, Jan 28
The cheapest one-way flight from Houston to St. Louis is currently HK$542
Cheapest nonstop flightsHK$2,436
SouthwestNonstop2 hrThu, Jan 22 — Mon, Jan 26
The cheapest nonstop round-trip flight from Houston to St. Louis is currently HK$2,436
Last-minute weekend getawayHK$3,790
Frontier1 stop25 hrFri, Dec 26 — Mon, Dec 29
The cheapest last-minute weekend getaway from Houston to St. Louis is currently HK$3,790
Cheapest business class flightsHK$4,536
UnitedNonstop3 hrThu, Jan 29 — Mon, Feb 2
The cheapest business class round-trip flight from Houston to St. Louis is currently HK$4,536
Fastest flight1 hr 55 minThe fastest nonstop flight from Houston to St. Louis takes 1 hr 55 min
Nonstop flightsEvery dayThere 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: HK$990–2,300
July
Most expensive
Typical prices: HK$1,700–2,550

Popular airlines from Houston to St. Louis

  • Southwest
    Nonstop
    from HK$2,436
    Typical price: HK$2,050–4,100
    33 weekly nonstop flights
    HOU - STLEvery day
    2328 weekly connecting flights
    HOU - STLEvery day
  • United
    Nonstop
    from HK$2,436
    Typical price: HK$2,100–4,350
    19 weekly nonstop flights
    IAH - STLEvery day
    441 weekly connecting flights
    IAH - STLEvery day
  • American
    from HK$2,587
    Typical price: HK$2,150–4,500
    484 weekly connecting flights
    HOU, IAH - STLEvery day
  • Delta
    from HK$2,587
    Typical price: HK$2,450–4,700
    272 weekly connecting flights
    HOU, IAH - STLEvery day
  • Frontier
    from HK$1,129
    Typical price: HK$1,200–2,900
    26 weekly connecting flights
    IAH - STLEvery day
  • Alaska
    from HK$3,517
    Typical price: HK$4,900–12,500
    21 weekly connecting flights
    IAH - STLEvery day

Popular airports near Houston

  • George Bush Intercontinental Airport (IAH)
    HoustonUnited States22 min25 km
  • William P. Hobby Airport (HOU)
    HoustonUnited States23 min15 km
  • Dallas Fort Worth International Airport (DFW)
    DallasUnited States3 hr 52 min382 km
  • Austin-Bergstrom International Airport (AUS)
    AustinUnited States2 hr 28 min226 km

Popular airports near St. Louis

  • St. Louis Lambert International Airport (STL)
    St. LouisUnited States22 min20 km
  • General Wayne A. Downing Peoria International Airport (PIA)
    PeoriaUnited States2 hr 35 min230 km
  • MidAmerica St. Louis Airport (BLV)
    BellevilleUnited States35 min32 km
  • Indianapolis International Airport (IND)
    IndianapolisUnited States3 hr 29 min357 km

Frequently asked questions about flying from Houston to St. Louis

The cheapest flights from Houston to St. Louis are usually in January. Typical ticket prices in January range from HK$990 to HK$2,300.
The cheapest round-trip flight from Houston to St. Louis recently found on Google Flights was with Frontier from HK$1,129. The cheapest one-way flight was with Frontier from HK$542.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to St. Louis is HK$2,436, flying from Jan 22 to Jan 26.
  • The cheapest United flight from Houston to St. Louis is HK$2,436, flying from Jan 22 to Jan 26.
  • The cheapest American flight from Houston to St. Louis is HK$2,587, flying from Jan 15 to Jan 19.
  • The cheapest Delta flight from Houston to St. Louis is HK$2,587, flying from Jan 22 to Jan 26.
  • The cheapest Frontier flight from Houston to St. Louis is HK$1,129, flying from Jan 31 to Feb 2.
  • The cheapest Alaska flight from Houston to St. Louis is HK$3,517, flying from Feb 14 to Feb 16.
The cheapest round-trip flight from Houston to St. Louis starts at HK$1,129 from Sat, Jan 31 to Mon, Feb 2. The cheapest one-way flight starts at HK$542 and departs on Wed, Jan 28.
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 33 nonstop flights and 2,328 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 19 nonstop flights and 441 connecting flights per week. United flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL).
  • American offers 484 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 26 connecting flights per week. Frontier flies from George Bush Intercontinental Airport (IAH) to St. Louis Lambert International Airport (STL).
  • Alaska offers 21 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 HK$1,129. The cheapest one-way flight was with Frontier from HK$542.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Houston to St. Louis is HK$2,436, flying from Jan 22 to Jan 26.
  • The cheapest United flight from Houston to St. Louis is HK$2,436, flying from Jan 22 to Jan 26.
  • The cheapest American flight from Houston to St. Louis is HK$2,587, flying from Jan 15 to Jan 19.
  • The cheapest Delta flight from Houston to St. Louis is HK$2,587, flying from Jan 22 to Jan 26.
  • The cheapest Frontier flight from Houston to St. Louis is HK$1,129, flying from Jan 31 to Feb 2.
  • The cheapest Alaska flight from Houston to St. Louis is HK$3,517, flying from Feb 14 to Feb 16.
Southwest and United fly direct from Houston to St. Louis.
  • There are 33 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
  • There are 19 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 HK$3,790 is offered by Frontier from Fri, Dec 26 to Mon, Dec 29.
Southwest and United fly direct from Houston to St. Louis.
  • There are 33 Southwest direct flights from Houston to St. Louis per week. Flights are available every day.
  • There are 19 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 HK$2,436 from Thu, Jan 22 to Mon, Jan 26 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 HK$4,536 from Thu, Jan 29 to Mon, Feb 2 with United.
The cheapest economy class round-trip flights between Houston and St. Louis start at HK$1,129 from Sat, Jan 31 to Mon, Feb 2.
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 HK$3,790 from Fri, Dec 26 to Mon, Dec 29 with Frontier.
The cheapest last-minute deal between Houston and St. Louis at price HK$3,790 is offered by Frontier from Fri, Dec 26 to Mon, Dec 29.
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.

Search more flights

Popular trips from Houston

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    1 stop6 hr 34 minFrontier
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  3. Tokyo
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