Flights from Houston Flights to St. Louis

Direct flights from Houston to St. Louis

Did you mean flights from St. Louis to Houston?

Last updated on: 07-02-2026

Houston

United States

IAH

George Bush Intercontinental Airport

St. Louis

United States

STL

Lambert-Saint Louis International Airport

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Flight schedule

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Distance

668 miles · (1,075 km)

Flight time

2 hours and 12 minutes

Airlines

United Airlines

Alliances

Oneworld
SkyTeam
Star Alliance

Classes

Economy
Premium Economy
Business Class
First Class

Aircrafts

Airbus A319
Boeing 737 MAX 8
Boeing 737 MAX 9
Boeing 737-700
Boeing 737-800
Boeing 737-900
Bombardier CRJ 550
Embraer 175

Houston to St. Louis Flight Schedule

Scan through all non-stop flights from Houston to St. Louis. The full flight schedule below gives an overview of all non-stop flights from IAH to STL, which includes the daily timetable of every operating airline for the upcoming 12 months.

Note: for airline-specific flight schedules, please scroll further down.

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Return schedule

Best time to visit St. Louis

What is the best time to visit St. Louis?

🌺 💦 Humid Subtropical

St. Louis is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.

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You can visit St. Louis any time of the year, but the best months to explore are from to and from to .

St. Louis

STL

Airlines flying from Houston to St. Louis

Airline-specific flight schedules from Houston to St. Louis

Currently, there is only one airline operating non-stop flights from Houston IAH to St. Louis STL, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.

Click an airline below to view their IAH STL flight schedule.

United Airlines (UA)

United Airlines flight schedulefrom Houston to St. Louis

United Airlines is a member of Star Alliance

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Houston to St. Louis Flights

Flights from IAH to STL are operated 30 times a week, with an average of 4 flights per day. Departure times vary between 07:45 - 20:30. The earliest flight departs at 07:45, the last flight departs at 20:30. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.

You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).

The fastest direct flight from Houston to St. Louis takes 2 hours and 12 minutes. The flight distance between Houston and St. Louis is 668 miles (or 1,075 km).

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Frequently asked questions - FAQ

How many airports are there in St. Louis?

There is 1 airport in St. Louis: Lambert-Saint Louis International Airport (STL).

How many flights per week are there from IAH to STL?

There are 30 flights per week flying from Houston to St. Louis (as of July 2026).

How long does it take to fly from Houston to St. Louis?

2 hours and 12 minutes is the average flight time from Houston to St. Louis.

How far is St. Louis from Houston?

The distance from Houston to St. Louis is 668 miles (1,075 kilometers).

What airlines fly nonstop from IAH airport to STL airport?

United Airlines is the only airline flying nonstop from Houston to St. Louis.

What alliances have direct flights from Houston to St. Louis?

Star Alliance is currently the only alliance flying nonstop from Houston to St. Louis.

What classes are available from Houston to St. Louis?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from Houston to St. Louis?

Aircraft types that fly from Houston to St. Louis:

Airbus A319
Boeing 737 MAX 8
Boeing 737 MAX 9
Boeing 737-700
Boeing 737-800
Boeing 737-900
Bombardier CRJ 550
Embraer 175

What is the earliest flight departing from Houston to St. Louis?

The earliest flight departs at 07:45 from Houston and arrives at 09:42 at St. Louis.

What is the latest flight available from Houston to St. Louis?

The latest flight departs at 20:30 from Houston and arrives at 22:45 at St. Louis.

Popular flights from Houston, United States

Houston to Chicago

Houston to Dallas-Fort Worth

Houston to Denver

Houston to Atlanta

Houston to Los Angeles

Houston to New York City

Houston to Newark

Houston to Mexico City

Houston to San Francisco

Houston to Washington

Houston to Miami

Houston to Las Vegas

Houston to Orlando

Houston to Charlotte

Show all flights from Houston Show all flights to St. Louis

Popular routes operated by United Airlines

Houston to Chicago

Houston to Denver

Houston to Newark

Houston to San Francisco

Houston to Los Angeles

Houston to Washington

Houston to New Orleans

Show all United Airlines flights

Popular flights from Houston via St. Louis

Houston to Burbank

Houston to Jonesboro

Houston to Chicago

Houston to Myrtle Beach

Houston to Destin / Fort Walton Beach

Non-stop flights from IAH to STL

668 miles (1,075 km) · 2h 12m

Round trip

1 passenger

Economy

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Return schedule

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Depart
Arrive
Airline
Flight no
Aircraft
Classes

08:00
10:07
United Airlines

Star Alliance
UA 6214
United Airlines
Embraer 175
Y
W
J
F

08:00
10:04
United Airlines

Star Alliance
UA 504
United Airlines
Boeing 737 MAX 9
Y
W
J
F

08:00
10:07
United Airlines

Star Alliance
UA 6214
United Airlines
Embraer 175
Y
W
J
F

12:00
14:16
United Airlines

Star Alliance
UA 5397
United Airlines
Embraer 175
Y
W
J
F

12:00
14:16
United Airlines

Star Alliance
UA 5397
United Airlines
Embraer 175
Y
W
J
F

12:40
14:51
United Airlines

Star Alliance
UA 548
United Airlines
Boeing 737-700
Y
W
J
F

15:31
17:42
United Airlines

Star Alliance
UA 6160
United Airlines
Embraer 175
Y
W
J
F

15:31
17:42
United Airlines

Star Alliance
UA 6160
United Airlines
Embraer 175
Y
W
J
F

15:31
17:42
United Airlines

Star Alliance
UA 6160
United Airlines
Embraer 175
Y
W
J
F

18:05
20:14
United Airlines

Star Alliance
UA 560
United Airlines
Boeing 737-800
Y
W
J
F

18:28
20:40
United Airlines

Star Alliance
UA 4573
United Airlines
Bombardier CRJ 550
Y
W
J
F

18:28
20:40
United Airlines

Star Alliance
UA 4573
United Airlines
Bombardier CRJ 550
Y
W
J
F

20:30
22:45
United Airlines

Star Alliance
UA 6187
United Airlines
Embraer 175
Y
W
J
F

20:30
22:45
United Airlines

Star Alliance
UA 6187
United Airlines
Embraer 175
Y
W
J
F

20:30
22:41
United Airlines

Star Alliance
UA 1469
United Airlines
Boeing 737-900
Y
W
J
F

20:30
22:45
United Airlines

Star Alliance
UA 6187
United Airlines
Embraer 175
Y
W
J
F