Southwest Airlines flights from Saint Louis (STL) to Milwaukee (MKE)
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from Saint Louis (STL), US to Milwaukee (MKE), US. Southwest Airlines operates 1-4 flights daily flights on this route.• Flight Duration: 1h 10m - 1h 20m (average flight time)• Distance: 319 miles (513 km) (air miles between airports)• Daily Flights: 1-4 flights (scheduled departures per day)
Saint Louis (STL)
US
Milwaukee (MKE)
US
FLIGHT TIME
1h 10m - 1h 20m
FLIGHT DISTANCE
319 miles (513 km)
1h 15m - 1h 15m
10:40
21:30
319 miles (513 km)
March
1 (Show)
15
Southwest Airlines Flight Schedule from Saint Louis (STL) to Milwaukee (MKE)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN453 |  Southwest Airlines | 10:40 | 11:55:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN705 | Southwest Airlines | 21:30 | 22:45:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
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 10m - 1h 20m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 10:00, 21:00, offering more flight options and potentially better connections.
St Louis - Milwaukee flight price statistics
$1499
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.
$362
Jan$287
Feb$255
Mar$334
Apr$266
May$7341
Jun$7334
Jul$283
Aug$332
Sep$332
Oct$502
Nov$359
DecSouthwest Airlines Terminal Information
Departure Terminal at Saint Louis (STL):
• Terminal : Southwest Airlines operates from this terminal
Arrival Terminal at Milwaukee (MKE):
• Terminal : Southwest Airlines operates from this terminal
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from St Louis (STL) to Milwaukee (MKE)?
Southwest Airlines operates 2 flights from St Louis (STL) to Milwaukee (MKE).
What city does Milwaukee (MKE) airport serve?
Milwaukee (MKE) airport serves Milwaukee, US.
How long is the Southwest Airlines flight from St Louis (STL) to Milwaukee (MKE)?
The flight duration is approximately 1h 10m - 1h 20m.
What is the distance from St Louis (STL) to Milwaukee (MKE)?
The distance is 319 miles (513 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses 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 10:40 and the latest departs at 21:30.
What is the cheapest month to fly Southwest Airlines from St Louis (STL) to Milwaukee (MKE)?
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 Milwaukee (MKE)?
The average price for a round-trip Southwest Airlines flight on this route is approximately $1499. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 15 flights per week from St Louis (STL) to Milwaukee (MKE).