Fruit flies and ants EVERYWHERE! HELLLP!!

My house is being taken over by ants and small tiny little red flies- I think they’re fruit flies. There are HUNDREDS of them in my kitchen! I have scrubbed EVERYTHING down with bleach-floors, cupboards, inside cupboards, sink, washing machine and dishwasher, stove, fridge both inside and out, garbage can, recycling bins, I re-washed all dishes/pots/pans/tupperware
I even bought all airtight food storage containers and put EVERY bit of food possible into them in the cupboards and fridge- no open packages or food ANYWHERE in the house. I even did the same cleaning routine in all the rooms of our house. Everything is soooo clean you could eat off any surface in the house. Yet, we still have a major ant issue- and the flies are makign me nuts- when you walk into the kitchen they’re like a cloud. They even sit on our clean laundry, which makes me NUTTY. You can’t leave your plate of food at dinner for even 2 seconds or it has at least 50 flies on it. I don’t let food of any kind sit out at all, so there is no food they are getting into. I even emptied all our closets, steam cleaned upholstry and everything…

I also made sure all the doors have no space around them for the flies to come in. I know they came into the house somehow- and now Ic an’t get them OUT of the house.
How can I get rid of them in a safe way? We have 2 kids, 3 cats and a dog- and nowhere to goto leave the house to spray or anything extreme.
And about the pet food- the flies and ants don’t seem to bother with it at all. I have watched and they don’t go near it. I also wash and put away the bowls as soon as they are done eating.

Something in your house is drawing them to it. Find out what it is and get rid of it.
They dont stay where there is no food.
You get rid of their food and they disappear almost instantly