Summerfest 2025 Promotions And Offers. Milwaukee — summerfest is right around the corner and has admission promotions for fans to get into the grounds with either free or discounted admission. Summerfest is celebrating 56 years in 2025, and this year's lineup features about 800 acts with musicians like sza, maroon 5 and tyler childers.
Save with summerfest.com discount codes. Summerfest offers more ways than ever to access the festival via free or discounted admission, while giving back to the community.