Nonstop flights from St. Louis to Milwaukee

Southwest Airlines flies this route twice a day.

STLSt. Louis Lambert International

318 mi · 14 flights a week

MKEMilwaukee Mitchell International

STLMKE

When they leave

St. Louis time

8:25a8:40pFirst departure 8:25 AM, last 8:40 PM

One morning flight at 8:25 AM, then one afternoon flight at 2:30 PM, then three in the evening, 6:45 PM to 8:40 PM.

Every flight

Earliest first

8:25 AM→9:35 AMSouthwest AirlinesBoeing 737 MAX 8Daily
2:30 PM→3:45 PMSouthwest AirlinesBoeing 737Sat
6:45 PM→7:55 PMSouthwest AirlinesBoeing 737Tue, Wed
7:05 PM→8:15 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
8:40 PM→9:50 PMSouthwest AirlinesBoeing 737-700Sun

Schedules last checked Sep 21, 2026. Times are local.

Flying from St. Louis to Milwaukee

Southwest Airlines is the only airline flying nonstop from St. Louis to Milwaukee, twice a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737-700.

The first arrival in Milwaukee is at 9:35 AM and the last at 9:50 PM. The flight covers 318 miles.

Flying back, Milwaukee to St. Louis has 13 nonstop flights a week.

Return flights

Milwaukee to St. LouisView

Find the cheapest day to fly from St. Louis to Milwaukee.

Schedules as of Oct 9, 2026.