When is the cheapest time of year to fly from Saint Louis to Houston?

Based on statistics over the past years, the lowest prices for flights from Saint Louis to Houston can be found flying in these months: .

Cheap Flights from Saint Louis to Houston

Cheapest flights from Saint Louis to Houston

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Saint Louis to Houston. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$83

Frontier Airlines

1 transfer

14h 37m

10/22/2025

The cheapest one-way flight from Saint Louis to Houston departs on 10/22/2025, is operated by Frontier Airlines and costs $83

Cheapest round trip flight

$137

Frontier Airlines

1 transfer

1d 23h 2m

10/25/2025

The cheapest roundtrip flight from Saint Louis to Houston departs on 10/25/2025, is operated by Frontier Airlines and costs $137

The fastest flight

14h 37m

Fastest flight from Saint Louis to Houston takes 14h 37m

Direct flights

No direct flights

There are no direct flights on this route.

Earliest flight

5:15 AM

Latest flight

10:05 PM

Direct flights count

34

Distance

1094km

Timezone difference

0h

The distance between Saint Louis and Houston is 1094km (678 miles). There are 34 direct flights from Saint Louis to Houston. Saint Louis and Houston are in the same time zone. Flights from Saint Louis begin at 5:15 AM. The latest flight from Saint Louis departs at 10:05 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Saint Louis to Houston by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Saint Louis to Houston

Avg Price

Airlines operating on route

Flights from Saint Louis to Houston are operated by several airlines — United Airlines and Frontier Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $83, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

United Airlines

Starting at $346

Frontier Airlines

Starting at $83

Direct Flights from Saint Louis to Houston

A direct flight is the most convenient and comfortable way to fly from Saint Louis to Houston, despite the fact that sometimes flights with transfers can cost significantly less.

Saint Louis — Houston

STL — HOU

10/21/2025

Departure

Direct flight

UA1371

Starting at $346

Schedule of direct flights from Saint Louis to Houston

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Saint Louis to Houston:

Unable to find information about the schedule of direct flights from

Saint Louis airports overview

STL

Lambert-St. Louis International Airport

Airlines flying to this airport

$83

Starting at

$215

on average

Houston airports overview

IAH

George Bush Intercontinental Airport

Airlines flying to this airport

$83

Starting at

$215

on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Saint Louis to Houston?

The cheapest flight ticket from Saint Louis to Houston according to data for the last 48 hours costs $83

When is the best time to buy air tickets on the route Saint Louis — Houston?

Often the best time to buy tickets from Saint Louis to Houston is 2 months before departure.

How long does it take to fly from Saint Louis to Houston?

The fastest flights from Saint Louis to Houston start from 14 hours 37 minutes in the air.

Which airline can fly direct from Saint Louis to Houston?

The following airlines operate direct flights on the route Saint Louis — Houston: United Airlines

Special offers and sales on air tickets from Saint Louis to Houston

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Saint Louis to Houston

Alternative routes

Nashville ➜ Houston•Burlington ➜ Houston•Chicago ➜ Houston•Cedar Rapids ➜ Houston•Champaign ➜ Houston•Evansville ➜ Houston•Indianapolis ➜ Houston•Memphis ➜ Houston•Saint Louis ➜ Waco•Saint Louis ➜ Beaumont•Saint Louis ➜ College Station•Saint Louis ➜ Corpus Christi•Saint Louis ➜ Dallas•Saint Louis ➜ Killeen•Saint Louis ➜ Lake Charles•Saint Louis ➜ Lafayette•Saint Louis ➜ Shreveport•Saint Louis ➜ Tyler

•••••••••••••••••••

Cheapest one way flight

$83

Frontier Airlines

1 transfer

14h 37m

10/22/2025

The cheapest one-way flight from Saint Louis to Houston departs on 10/22/2025, is operated by Frontier Airlines and costs $83

Cheapest round trip flight

$137

Frontier Airlines

1 transfer

1d 23h 2m

10/25/2025

The cheapest roundtrip flight from Saint Louis to Houston departs on 10/25/2025, is operated by Frontier Airlines and costs $137

The fastest flight