Can I fly direct from St. Louis to Houston?

Yes, direct flights from St. Louis to Houston are available. Historically, approximately 46.1% of all flights on this route have been direct. For travelers opting for connecting flights, the median number of stopovers is typically one. This data reflects observations over the trailing 90 days.

How long is the flight from St. Louis to Houston?

The typical direct flight from St. Louis to Houston has a median duration of 2 hours and 19 minutes. This route covers an approximate distance of 1076 kilometers. For flights with one stop, the median travel time is considerably longer, averaging around 5 hours and 59 minutes.

How much more do direct flights from St. Louis to Houston cost?

Historically, direct flights from St. Louis to Houston tend to be about 14% more expensive than connecting flights. The median price for a direct flight is $337, while connecting flights have a median price of $295. Direct flights account for approximately 49.9% of the available options on this route, based on data from the trailing 90 days.

Flights From St. Louis

To Houston

Cheap Flights from St. Louis to Houston

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Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Houston

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from St. Louis to Houston

Explore current cheapest deals departing from St. Louis to Houston

2026-08-04 – 2026-08-11
STL - Houston
77% AI deal score
$247
$132
Round trip
2026-08-12 – 2026-08-14
STL - Houston
78% AI deal score
$262
$137
Round trip
2026-10-07 – 2026-10-21
STL - Houston
74% AI deal score
$219
$142
Round trip
2026-10-21 – 2026-10-28
STL - Houston
77% AI deal score
$255
$143
Round trip
2026-09-09 – 2026-09-23
STL - Houston
78% AI deal score
$297
$143
Round trip
2026-09-22 – 2026-10-13
STL - Houston
78% AI deal score
$297
$143
Round trip
2026-10-06 – 2026-10-14
STL - Houston
75% AI deal score
$234
$143
Round trip
2026-09-16 – 2026-10-13
STL - Houston
78% AI deal score
$294
$143
Round trip
2026-09-29 – 2026-10-13
STL - Houston
79% AI deal score
$307
$143
Round trip
2026-10-06 – 2026-10-13
STL - Houston
76% AI deal score
$246
$143
Round trip

St. Louis to Houston: Overview

Insights for flights from St. Louis to Houston

December stands out as the cheapest month to fly from St. Louis to Houston, with a median fare of just $116. Other budget-friendly options include February, where the median fare is $208, and January, with a median fare of $216. Planning your trip during these months can lead to significant savings on your journey.

For travelers seeking cheap flights from St. Louis to Houston, fares typically range from $242 to $440, with a median price of $337. Right now, current fares are below the typical level, and about 7% of recent fares were classified as a good price. New deals appear almost daily, offering frequent opportunities to find competitive prices.

When flying from St. Louis to Houston, 46.1% of recent fares are for direct flights. This means a meaningful share are non-stop, while the remaining itineraries typically include one connection. You'll find a mix of options, allowing you to choose between convenience and potentially lower prices with a stopover.

A typical journey from St. Louis to Houston takes approximately 5h 19m, including connections. This duration accounts for both direct flights and those with one or more stopovers, providing a realistic expectation for your travel time between the two cities. The overall distance between St. Louis and Houston is 1076 kilometers, classifying this as a short-haul route.

How much is a round trip from St. Louis to Houston

Regular price: $206 - $291

Prices for flights from St. Louis to Houston are currently below the regular range.

The regular price range for flights from St. Louis to Houston is between $206 and $291. The current lowest deal is $121 with Frontier Airlines for travel from Aug 24-Aug 26.

now $121

Low $206

High $291

The cheapest time to fly from St. Louis to Houston

The cheapest month to fly from St. Louis to Houston is December, with a median price of $116. The most expensive month is July, with a median price of $604. Prices are generally lower from January to December.

December

Cheapest

Flights from $116

July

Most Expensive

Flights from $604

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from St. Louis to Houston

Southwest Airlines

United Airlines

Last-minute flights going from St. Louis to Houston

Wed, Aug 5

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (IAH)

Frontier Airlines

$275

$170

One-way

Mon, Aug 10

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (IAH)

Frontier Airlines

$276

$180

One-way

Thu, Aug 13

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (IAH)

Frontier Airlines

$244

$172

One-way

Thu, Aug 13

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (IAH)

Frontier Airlines

$269

$176

One-way

Thu, Aug 13

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (IAH)

Frontier Airlines

$269

$209

One-way

Thu, Aug 13

⌛ Last-Minute

STL - Houston

St. Louis (STL) - Houston (HOU)

Southwest Airlines

$198

$216

One-way

Biggest price drops on these dates for flights from St. Louis to Houston

7 nights

Sep 30 - Oct 7

$346 → $122

65%

6 nights

Sep 30 - Oct 6

$345 → $122

65%

5 nights

Sep 30 - Oct 5

$356 → $135

62%

7 nights

Nov 26 - Dec 3

$450 → $237

47%

Popular Airports to fly from St. Louis to Houston

St. Louis - Houston route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from St. Louis to Houston are below the typical level for this route.

📅 Best time to fly

December offers the lowest median price at $116

Historically, December is the cheapest month to fly, with a median price of $116.

⏱️ Flight duration

Median flight time is 5h 19m

The median flight time from St. Louis to Houston is 5 hours and 19 minutes.

✈️ Airlines & availability

46.1% of flights are direct

Historically, 46.1% of flights on this route are direct, with frequent deals available.

🏆 Airline highlight

Frontier Airlines offers a deal for $121

Frontier Airlines recently offered a deal for $121 from St. Louis to Houston.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from St. Louis to Houston are frequent, appearing often.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Houston.

📍 ~20 km from St. Louis (reachable by car or train)

💸 Flights from ~$160

Houston main airports to arrive at

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport serves Houston and is often a good option for flights from St. Louis.

📍 ~25 km from Houston (reachable by car)

💸 Flights from ~$160

Airports nearby Houston used as alternative

Austin–Bergstrom International (AUS)

Austin–Bergstrom International (AUS) is a major international airport with extensive route networks.

📍 ~240 km from Houston (reachable by car)

💸 Flights from ~$135

Business & First Class Flight Deals to Houston

66% AI deal score

$2,502

$2,043

Save $459

Frequently Asked Questions About Flights to Houston

Historically, the most economical fares for flights from St. Louis to Houston are found when booking between 14 and 27 days prior to departure. During this period, the average price is around $261. Booking within 0-6 days of departure typically sees prices rise to approximately $423. Conversely, booking 28-59 days out can result in higher average prices, often around $602, based on data from the trailing 90 days.

Across the trailing quarter, a fare of $242 or less for a flight from St. Louis to Houston is considered a good price. The median price for this route has been observed at $337. Prices can vary, with 75% of fares typically falling below $440. These figures are based on observations over a 90-day period.

Historically, December has offered the cheapest flights from St. Louis to Houston, with a median price of $116. February and January also tend to be more affordable, with median prices of $208 and $216 respectively. The annual median price for this route is $337, indicating that these months represent significant savings. These trends are based on data collected over a 270-day period.

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St. Louis to Houston: Overview

Insights for flights from St. Louis to Houston

How much is a round trip from St. Louis to Houston

Regular price: $206 - $291

Prices for flights from St. Louis to Houston are currently below the regular range.

The regular price range for flights from St. Louis to Houston is between $206 and $291. The current lowest deal is $121 with Frontier Airlines for travel from Aug 24-Aug 26.

now $121

Low $206

High $291

The cheapest time to fly from St. Louis to Houston

December

Cheapest

Flights from $116

July

Most Expensive

Flights from $604

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec