How do i get rid of small flies?

The best way to deal with blow flies is to keep stuff clean and check your home for anything rotting like trash or even a dead animal. Clean the area well and blow flies are attracted to animal waste so properly dispose of dog and cat waste in sealed plastic bags and disposed of in secured trash cans. Dead animals especially rodents after being trapped. Clean trash cans with hot water and disinfectant to kill the odor causing bacteria and residue that attracts blow flies and other pesky insects that are attracted to rotting material.