Direct (nonstop) flights from Saint Louis to Milwaukee
1 airline flys nonstop from Saint Louis Airport (STL) to General Mitchell International (MKE). It's 317 miles (510 km), about 1h 15m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Saint Louis to Milwaukee with one stop · direct emits 59 kg CO₂ per passenger
Looking for the return flight?
MKE → STL: Flights from Milwaukee to Saint LouisOther direct flights from Saint Louis
Direct flights from Milwaukee (MKE)
Frequently Asked Questions
How long is the direct flight from Saint Louis to Milwaukee?
A nonstop flight from Saint Louis (STL) to Milwaukee (MKE) takes approximately 1 hours and 15 minutes. The distance is 317 miles (510 km).
Which airlines fly nonstop from Saint Louis to Milwaukee?
Just Southwest Airlines.
Is there a nonstop flight from Saint Louis to Milwaukee?
Yes. 1 airline: Southwest Airlines.
How far is Saint Louis from Milwaukee?
The flight distance from Saint Louis to Milwaukee is 317 miles (510 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Saint Louis to Milwaukee?
At 1h 15m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Saint Louis to Milwaukee?
Roughly 59 kg CO2 per passenger one-way. That's about the same as driving 295 km.
Is the return flight from Milwaukee to Saint Louis also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Saint Louis to Milwaukee?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Saint Louis Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.