Cheap flights from St. Louis to Houston from $99
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 5/1. 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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How to get the cheapest flight ticket from St. Louis to Houston
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 typical price of a round-trip flight between St. Louis and Houston?
What is the cheapest month to fly to Houston?
The month of April is, on average, the cheapest month to fly to Houston from St. Louis, with most prices found around $278. The month of May is another great option to travel to Houston, with average flight prices from St. Louis averaging around $281.
What is the cheapest day to depart on your flight to Houston?
On average, the least expensive day to fly to Houston from St. Louis is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $342. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Sunday is $496.
What is the cheapest time of day to depart on your flight to Houston?
Our data shows that the cheapest St. Louis to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $365. Try not to purchase tickets in the morning because they tend to be around $564. 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 flight route?
Fly from Lambert-St Louis to Houston Hobby for the best Lambert-St Louis - Houston flight prices
How far in advance should I book a flight to Houston?
You are more likely to see cheaper flights to Houston from St. Louis when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $344 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from St. Louis for as low as $279 on momondo.
What cabin class options are available on Lambert-St Louis to Houston flights?
There are 4 cabin classes available to choose from on Lambert-St Louis to Houston 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?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to Houston
What airlines fly to Houston?
United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Houston from St. Louis according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 4 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to Houston on average per day?
14 flights are operational daily from St. Louis to Houston as of April 2025. The most popular departure time for this route is 6:00AM, with 76% of flights per day taking off at noon.
How many flights depart from St. Louis to Houston on average per week?
As of April 2025, there are 101 flights per week flying from St. Louis to Houston. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.
Cheap St. Louis to Houston flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Houston
How far is Lambert-St Louis to Houston by plane?
A flight from Lambert-St Louis to Houston will travel around 679.6 mi. 2h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Houston?
Prices for flights from Lambert-St Louis Airport to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Houston?
There are 4 operators available for flights from Lambert-St Louis Airport to Houston as of April 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Houston?
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.
What documentation or ID do you need to fly to Houston?
The necessary travel and health documents for your Houston 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.
Best airlines flying from St. Louis to Houston
Compare and see reviews for airlines that fly from St. Louis to Houston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $99 | Free Cancellation | Rating 5.9 3,277 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $197 | Free Cancellation | Rating 8.0 4,275 reviews | |||
| PriceFrom $221 | Free Cancellation | Rating 7.4 8,615 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Houston?
Finding the right flight to Houston from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.
Can I find flights from St. Louis to Houston with flexible booking policies on momondo?
All flight searches from St. Louis to Houston on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from St. Louis to Houston?
Once you have performed a search for St. Louis to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Houston right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Houston from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.