Southwest Airlines flights from Saint Louis (STL) to Denver (DEN)
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from Saint Louis (STL), US to Denver (DEN), US. Southwest Airlines operates 7-15 flights daily flights on this route.• Flight Duration: 2h 10m - 2h 39m (average flight time)• Distance: 772 miles (1242 km) (air miles between airports)• Daily Flights: 7-15 flights (scheduled departures per day)
Saint Louis (STL)
US
Denver (DEN)
US
FLIGHT TIME
2h 10m - 2h 39m
FLIGHT DISTANCE
772 miles (1242 km)
2h 20m - 2h 25m
05:35
21:45
772 miles (1242 km)
March
1 (Show)
77
Southwest Airlines Flight Schedule from Saint Louis (STL) to Denver (DEN)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2254 |  Southwest Airlines | 05:35 | 07:00:00 | Boeing 737MAX 8 Passenger |
WN2647 | Southwest Airlines | 08:30 | 09:50:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN3664 | Southwest Airlines | 11:00 | 12:20:00 | Boeing 737MAX 8 Passenger |
WN3696 | Southwest Airlines | 13:40 | 15:00:00 | Boeing 737MAX 8 Passenger |
WN454 | Southwest Airlines | 17:15 | 18:35:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN4127 | Southwest Airlines | 18:45 | 20:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
WN2198 | Southwest Airlines | 21:45 | 23:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
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Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 10m - 2h 39m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 5:00, 8:00, 11:00, offering more flight options and potentially better connections.
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Southwest Airlines Terminal Information
Departure Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Arrival Terminal at Denver (DEN):
• Terminal : Southwest Airlines operates from this terminal
Weather & Climate at Denver (DEN)
10.0°C
Avg Temperature52mm
Avg Rainfall11.5km/h
Avg Wind Speed52%
Avg HumidityBest Months to Visit
Challenging Months
12-Month Weather Overview
Wind Speed by Month
Humidity by Month
Best Time to Book Flights to Denver (DEN)
Best Booking Window
Book 2-3 months in advance for best prices
Booking Tip
Avoid booking during extreme weather months for better deals
Peak Travel Months
Expect higher prices and more crowds during these months. Book early to secure better rates.
Recommended Months
These months offer the best balance of weather, prices, and availability.
Monthly Booking Recommendations
Flight Price Trends for Denver (DEN)
Cheapest Months to Fly
Book flights during these months for the best deals and lowest prices.
Most Expensive Months
Prices are typically highest during these months. Consider booking well in advance or choosing alternative dates.
Price Trend Analysis
Prices are typically lower during shoulder seasons
Monthly Price Trends
Best Months to Fly Southwest Airlines to Denver (DEN)
Best Months
Optimal conditions for travel with favorable weather, prices, and availability.
Shoulder Season
Transition periods with moderate conditions. Good balance of price and experience.
Challenging Months
These months may have less favorable conditions. Plan accordingly and book early.
Seasonal Insight
Best travel months: 2023-07, 2023-08, 2023-09
Seasonal Travel Calendar
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from St Louis (STL) to Denver (DEN)?
Southwest Airlines operates 7 flights from St Louis (STL) to Denver (DEN).
What city does Denver (DEN) airport serve?
Denver (DEN) airport serves Denver, US.
How long is the Southwest Airlines flight from St Louis (STL) to Denver (DEN)?
The flight duration is approximately 2h 10m - 2h 39m.
What is the distance from St Louis (STL) to Denver (DEN)?
The distance is 772 miles (1242 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
Which other airlines operate on this route?
2 other airlines operate on this route: United Airlines, Frontier Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 05:35 and the latest departs at 21:45.
What is the cheapest month to fly Southwest Airlines from St Louis (STL) to Denver (DEN)?
March is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from St Louis (STL) to Denver (DEN)?
The average price for a round-trip Southwest Airlines flight on this route is approximately $175. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 77 flights per week from St Louis (STL) to Denver (DEN).