Chamomile flowers they grow everywhere wild. They look like miniature daisys. Pick some, bunches of them. Tie them in little bundles and hang them over your windows and door.
You are most likely being bothered by houseflies or gnats. Both can spread bacteria, ruin foods, and torture humans. Keep foods in tight storage, fix window screens, and dry sink drains. Place containers with apple cider vinegar, poured to the very tip, throughout you home to catch and drown them.
Flies that are born in garbage cans can be controlled by putting mothballs in the bottoms of garbage cans. It prevents the maggots, or some such thing. Tried it and it worked for us!
A great natural repellant for flies is citronella, a natural essential oil. Place a few drops in a spray bottle of warm water and spray on surfaces such as window ledges and ceiling to deter the flies. It also smells lovely!
You have to use some kind of insecticide in order to get rid of the flies menace .Bora care is one of the best method of pesticide of high fidelity which can be recommended without reluctance. If you are able to find out the place where the flies are breeding you may control the problem at once.