Flights operate between St Louis (STL) and Houston (HOU).
1 airline operates this route with 2-11 flights daily flights.
Average flight time is 2h 00m - 2h 25m.
Route distance is 692 miles (1113 km).
Route Distance
692 miles (1113 km)
Average Duration
2h 00m - 2h 25m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
2-11 flights
Weekly Flights
40
Typical Departure Time Ranges
Earliest Departure
05:25
Latest Departure
22:45
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from STL
Weekly Frequency
42
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| STL → Houston (HOU) (HOU) | 42/week | 2h 00m - 2h 25m | 692 km | Very Stable |
Flight Schedule & Filters
Southwest Airlines flights from Saint Louis (STL) to Houston (HOU)
Southwest Airlines operates scheduled nonstop flights between Saint Louis (STL) and Houston (HOU). Southwest Airlines operates 2-11 flights daily flights on this route.• Flight Duration: 2h 00m - 2h 25m (average flight time)• Distance: 692 miles (1113 km) (air miles between airports)• Daily Flights: 2-11 flights (scheduled departures per day)
Saint Louis (STL)
US
Houston (HOU)
US
FLIGHT TIME
2h 00m - 2h 25m
FLIGHT DISTANCE
692 miles (1113 km)
2h 10m - 2h 15m
05:25
22:45
692 miles (1113 km)
March
1 (Show)
40
Southwest Airlines Terminal Information & Contact
Departure Terminal - Saint Louis (STL)
Terminal: 2
Phone: 800-435-9792
Location: 2, St Louis, US
Arrival Terminal - Houston (HOU)
Terminal: 1
Phone: 800-435-9792
Location: 1, Houston, US
Southwest Airlines Flight Schedule from Saint Louis (STL) to Houston (HOU)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN1873 |  Southwest Airlines | 05:25 | 07:35:00 | Boeing 737MAX 8 Passenger |
WN3841 | Southwest Airlines | 07:40 | 09:55:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN5062 | Southwest Airlines | 09:10 | 11:20:00 | Boeing 737MAX 8 Passenger |
WN2977 | Southwest Airlines | 13:20 | 15:35:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN2950 | Southwest Airlines | 19:25 | 21:35:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN4182 | Southwest Airlines | 22:45 | 00:55:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Terminal 2:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Houston (HOU):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Best Time to Book Flights to Houston (HOU)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Flight Price Trends for Houston (HOU)
Price Trend Analysis
Prices are typically lower during shoulder seasons
Best Months to Fly Southwest Airlines to Houston (HOU)
Seasonal Insight
Best travel months: Year-round
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from St Louis (STL) to Houston (HOU)?
Southwest Airlines operates 6 flights from St Louis (STL) to Houston (HOU).
What city does Houston (HOU) airport serve?
Houston (HOU) airport serves Houston, US.
How long is the Southwest Airlines flight from St Louis (STL) to Houston (HOU)?
The flight duration is approximately 2h 00m - 2h 25m.
What is the distance from St Louis (STL) to Houston (HOU)?
The distance is 692 miles (1113 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-700 (winglets) Passenger/BBJ1 on this route.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 05:25 and the latest departs at 22:45.
Which terminal does Southwest Airlines use at St Louis (STL)?
Southwest Airlines flights from St Louis (STL) depart from Terminal 2. Terminal 2 phone: 800-435-9792.
View all Southwest Airlines flights to St Louis (STL) →
Popular Southwest Airlines routes from St Louis include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.