Direct (nonstop) flights from Milwaukee to Saint Louis

1 airline flys nonstop from General Mitchell International (MKE) to Saint Louis Airport (STL). It's 317 miles (510 km), about 1h 20m in the air. Operated by Southwest Airlines.

MKE
General Mitchell International
🇺🇸 Milwaukee, USA
STL
Saint Louis Airport
🇺🇸 Saint Louis, USA
Flight Time
1h 20m
Distance
317 mi
510 km
CO₂/pax
59 kg
−28 kg vs. layover
Airlines
1
Southwest Airlines
Time Diff
Same timezone
Operated by Southwest Airlines Southwest Airlines

Route data last updated: May 31, 2026

Airlines with non-stop flights

Southwest Airlines WN Southwest Airlines
Route
MKE → STL
Flight Time
1h 20m
Distance
317 mi

Alternative Routes

Other ways to fly from Milwaukee to Saint Louis with one stop · direct emits 59 kg CO₂ per passenger

MKE MDW (Chicago) STL
Leg 1: 50m (80 mi) Leg 2: 1h 15m (252 mi) Total: ~2h 5m 🍃 87 kg CO₂ (+47% vs. direct)
Leg 1
MKE → MDW
50m · 80 mi
View MKE to MDW flights →
Leg 2
MDW → STL
1h 15m · 252 mi
View MDW to STL flights →
MKE ORD (Chicago) STL
Leg 1: 1h 9m (66 mi) Leg 2: 1h 26m (258 mi) Total: ~2h 35m 🍃 85 kg CO₂ (+44% vs. direct)
Leg 1
MKE → ORD
1h 9m · 66 mi
View MKE to ORD flights →
Leg 2
ORD → STL
1h 26m · 258 mi
View ORD to STL flights →
MKE MCI (Kansas City) STL
Leg 1: 1h 30m (436 mi) Leg 2: 1h 5m (236 mi) Total: ~2h 35m 🍃 150 kg CO₂ (+154% vs. direct)
Leg 1
MKE → MCI
1h 30m · 436 mi
View MKE to MCI flights →
Leg 2
MCI → STL
1h 5m · 236 mi
View MCI to STL flights →
MKE BNA (Nashville) STL
Leg 1: 1h 35m (475 mi) Leg 2: 1h 15m (272 mi) Total: ~2h 50m 🍃 163 kg CO₂ (+176% vs. direct)
Leg 1
MKE → BNA
1h 35m · 475 mi
View MKE to BNA flights →
Leg 2
BNA → STL
1h 15m · 272 mi
View BNA to STL flights →
MKE DTW (Detroit) STL
Leg 1: 1h 12m (237 mi) Leg 2: 1h 40m (440 mi) Total: ~2h 52m 🍃 150 kg CO₂ (+154% vs. direct)
Leg 1
MKE → DTW
1h 12m · 237 mi
View MKE to DTW flights →
Leg 2
DTW → STL
1h 40m · 440 mi
View DTW to STL flights →

Frequently Asked Questions

How long is the direct flight from Milwaukee to Saint Louis?

A nonstop flight from Milwaukee (MKE) to Saint Louis (STL) takes approximately 1 hours and 20 minutes. The distance is 317 miles (510 km).

Which airlines fly nonstop from Milwaukee to Saint Louis?

Just Southwest Airlines.

Is there a nonstop flight from Milwaukee to Saint Louis?

Yes. 1 airline: Southwest Airlines.

How far is Milwaukee from Saint Louis?

The flight distance from Milwaukee to Saint Louis 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 Milwaukee to Saint Louis?

At 1h 20m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Milwaukee to Saint Louis?

Roughly 59 kg CO2 per passenger one-way. That's about the same as driving 295 km.

Is the return flight from Saint Louis to Milwaukee 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 Milwaukee to Saint Louis?

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 General Mitchell International for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.