Do not use bleach. Since bleach does not coat the pipes, it will not kill the flies. … It’s the bio-buildup that attracts fruit flies to your drains.

What smell will keep flies away?

Cinnamon – use cinnamon as an air freshner, as flies hate the smell! Lavender, eucalyptus, peppermint and lemongrass essential oils – Not only will spraying these oils around the house create a beautiful aroma, but they will also deter those pesky flies too.

How do I get rid of flies outside naturally?

Home remedies to get rid of outdoor flies Try planting basil, bay leaves, catnip, lavender, and marigolds. Or, use a mixture of vinegar and dish soap as a natural trap. Pour the mixture into a cup, cover it tightly with plastic wrap and poke holes large enough for the flies to enter.