Southwest Airlines flights from STL to DSM
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from STL to DSM. Southwest Airlines operates 1-3 flights daily flights on this route.• Flight Duration: 1h 05m - 1h 10m (average flight time)• Distance: 260 miles (418 km) (air miles between airports)• Daily Flights: 1-3 flights (scheduled departures per day)
STL
DSM
FLIGHT TIME
1h 05m - 1h 10m
FLIGHT DISTANCE
260 miles (418 km)
1h 10m - 1h 10m
09:50
22:55
260 miles (418 km)
March
1 (Show)
14
Southwest Airlines Flight Schedule from STL to DSM
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2040 |  Southwest Airlines | 09:50 | 11:00:00 | Boeing 737MAX 8 Passenger |
WN146 | Southwest Airlines | 22:55 | 00:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
Southwest Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 1h 05m - 1h 10m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 9:00, 22:00, offering more flight options and potentially better connections.
STL - DSM flight price statistics
$961
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$614
Jan$393
Feb$137
Mar$663
Apr$339
May$237
Jun$7217
Jul$432
Aug$322
Sep$300
Oct$566
Nov$310
DecSouthwest Airlines Terminal Information
Terminal information for Southwest Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from STL to DSM?
Southwest Airlines operates 2 flights from STL to DSM.
What city does DSM airport serve?
DSM airport serves Des Moines.
How long is the Southwest Airlines flight from STL to DSM?
The flight duration is approximately 1h 05m - 1h 10m.
What is the distance from STL to DSM?
The distance is 260 miles (418 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737MAX 8 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2 on this route.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 09:50 and the latest departs at 22:55.
What is the cheapest month to fly Southwest Airlines from STL to DSM?
March is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from STL to DSM?
The average price for a round-trip Southwest Airlines flight on this route is approximately $961. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 14 flights per week from STL to DSM.