Southwest Airlines is offering more nonstop flights to and from San Diego. The flights will be every day except Tuesdays and Wednesdays. The new flight schedule will start on Oct. 2, 2025. MILWAUKEE - Southwest Airlines is expanding its nonstop service between Milwaukee and San Diego starting in fall 2025.

Southwest Airlines announced on Feb. 6 that there will be nonstop flights from Milwaukee to San Diego beginning Oct. 2. The airline said these flights will be available every day of the week except Tuesdays and Wednesdays.

With these new San Diego flights, Southwest now offers 17 nonstop flight destinations from Milwaukee. The airline will also run new daily nonstop service between Milwaukee and Austin, starting in March. The airline will also offer flights to Cancun, Mexico, during March. To book, you can visit the Southwest website or mobile app.

Southwest Airlines will expand its nonstop service between Milwaukee Mitchell International Airport and San Diego International Airport

The Dallas-based carrier is adding two new routes as part of its schedule extension. The new routes are San Diego to Fresno, California, and Austin to Jacksonville, Florida.

Southwest Airlines will start nonstop flights to Austin, Texas out of Jacksonville International Airport (JAX) in October, the airport announced on X Thursday afternoon. Southwest will start offering the service Oct.