Opening for the season on March 30th, Wolff’s Flea Market is an open-air flea market located in Rosemont, IL. The goal of this flea market is to be a very family friendly place to shop and spend a fun day. You can find many of your daily "staple" items as well as a huge selection of just about anything - clothing, gourmet food, groceries, tools, toys, crafts, electronics, furniture, plants, books, etc. plus antiques, collectibles and garage sale items.