Cheap flights from St. Louis to Houston from $129
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Houston departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from St. Louis to Houston Hobby Airport
Our best American Airlines deals on St. Louis to Houston Hobby Airport flight tickets
Southwest flights from St. Louis to Houston Hobby Airport
Our best Southwest deals on St. Louis to Houston Hobby Airport flight tickets
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How to get the cheapest flight ticket from St. Louis to Houston Hobby Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Houston Hobby Airport?
In general, September is the cheapest month to fly from St. Louis to Houston Hobby Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $305. The month of May is another great option to travel to Houston Hobby Airport, with average flight prices from St. Louis averaging around $322.
What is the cheapest day to depart on your flight to Houston Hobby Airport?
Our data shows that Wednesday is the least expensive day to fly to Houston Hobby Airport. Tickets to fly out on this day can be as low as $352. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston Hobby Airport on Sunday is $494.
What is the cheapest time of day to depart on your flight to Houston Hobby Airport?
According to our data, the cheapest time of day to fly to Houston Hobby Airport is in the evening. momondo users have found flights departing from St. Louis to Houston Hobby Airport in the evening for as low as $362. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $566. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Lambert-St Louis to Houston Hobby flight route?
Fly from Lambert-St Louis to Houston Hobby for the best Lambert-St Louis - Houston Hobby flight prices
How far in advance should I book a flight to Houston Hobby Airport?
You are more likely to see cheaper flights to Houston Hobby Airport from St. Louis when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Houston Hobby Airport for around $355 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston Hobby Airport from St. Louis for as low as $294 on momondo.
What cabin class options are available on Lambert-St Louis to Houston Hobby flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Houston Hobby flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Lambert-St Louis to Houston Hobby?
Southwest, American Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Houston Hobby
What airlines fly to Houston Hobby Airport?
Southwest, United Airlines and Frontier are the top three most popular airlines that fly to Houston Hobby Airport from St. Louis according to our data. Southwest is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Houston Hobby Airport. Keep in mind that there are 5 different airlines that fly to Houston Hobby Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Houston Hobby Airport on average per day?
4 flights are operational daily from St. Louis to Houston Hobby Airport as of June 2025. The most popular departure time for this route is 5:00AM, with 33% of flights per day taking off at noon.
How many flights depart from St. Louis to Houston Hobby Airport on average per week?
As of June 2025, there are 30 flights per week flying from St. Louis to Houston Hobby Airport. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.
When to book flights from St. Louis to Houston Hobby Airport
Cheap St. Louis to Houston Hobby Airport (STL to HOU) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Houston Hobby Airport
How far is Lambert-St Louis to Houston Hobby by plane?
There are 684.3 mi between Lambert-St Louis and Houston Hobby. By plane, this route typically takes 2h 00m.
When did momondo last update prices for flights from Lambert-St Louis Airport to Houston Hobby Airport?
Prices for flights from Lambert-St Louis Airport to Houston Hobby Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Houston Hobby Airport?
There are 5 operators available for flights from Lambert-St Louis Airport to Houston Hobby Airport as of June 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Houston Hobby Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Houston Hobby Airport.
What documentation or ID do you need to fly to Houston Hobby Airport?
The necessary travel and health documents for your Houston Hobby Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Houston Hobby Airport?
momondo data reveals that the most frequently booked plane model on the route from St. Louis to Houston Hobby Airport is Embraer 175 (Enhanced Winglets), representing 18.50% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 17.45%, Boeing 737-700 Passenger/BBJ1 (winglets) at 16.93%, and Boeing 737 MAX 8 at 16.01%.
What is the most popular airline from St. Louis to Houston Hobby Airport?
Based on momondo bookings for flights between St. Louis and Houston Hobby Airport, the leading airline is Southwest, making up 50% of the total bookings. Other popular airlines include United Airlines with 32%, Frontier with 14%, and American Airlines with 3%.
Best airlines flying from St. Louis to Houston Hobby Airport
Compare and see reviews for airlines that fly from St. Louis to Houston Hobby Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $110 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $221 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $236 | Free Cancellation | Rating 7.2 10,000 reviews |
Southwest Flights From St. Louis to Houston Hobby Airport
Southwest flies from St. Louis to Houston Hobby Airport around 30 times per week, with 4,287 momondo users rating the airline 8.0/10. The cheapest Southwest deal from St. Louis to Houston Hobby Airport in the last 72 hours was $197 (round-trip), much lower than the average airfare cost of $374 for Southwest flights on this route.
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Why should I use momondo to find a flight deal from St. Louis to Houston?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Houston. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Houston with flexible booking policies on momondo?
Flights from St. Louis to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from St. Louis to Houston?
momondo helps you find the best flight between St. Louis and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from St. Louis to Houston right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from St. Louis and alert you when they change.