Direct (nonstop) flights from Milwaukee to San Diego
1 airline flys nonstop from General Mitchell International (MKE) to San Diego International Airport (SAN). It's 1,739 miles (2,798 km), about 4h 20m in the air. Operated by Southwest Airlines.
Southwest Airlines
Route data last updated: May 26, 2026
Airlines with non-stop flights
WN
Southwest Airlines
Alternative Routes
Other ways to fly from Milwaukee to San Diego with one stop · direct emits 294 kg CO₂ per passenger
Looking for the return flight?
SAN → MKE: Flights from San Diego to MilwaukeeOther direct flights from Milwaukee
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Milwaukee to San Diego?
A nonstop flight from Milwaukee (MKE) to San Diego (SAN) takes approximately 4 hours and 20 minutes. The distance is 1,739 miles (2,798 km).
Which airlines fly nonstop from Milwaukee to San Diego?
Just Southwest Airlines.
Is there a nonstop flight from Milwaukee to San Diego?
Yes. 1 airline: Southwest Airlines.
How far is Milwaukee from San Diego?
The flight distance from Milwaukee to San Diego is 1,739 miles (2,798 km), measured as the great-circle (shortest air) distance.
What type of aircraft flies from Milwaukee to San Diego?
At 4h 20m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Milwaukee to San Diego?
Roughly 294 kg CO2 per passenger one-way. That's about the same as driving 1,470 km.
Is the return flight from San Diego 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 San Diego?
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.