Homemade fly trap that actually works 1 quart jar, with lid 1/2 cup vinegar 1/2 cup sugar Water Puncture some medium holes in the lid. Add the sugar & vinegar, then top with water. Screw on lid & place jar where the flies are a nuisance.
Flies are among the most common pests and can multiply quickly. While purchasing fly traps from hardware stores and grocery stores is always an option, you can easily make your own homemade fly traps from a few simple ingredients that are probably already in your kitchen pantry.