Preheat oven to 400°F (200°C).
In a bowl, mix shredded chicken with BBQ sauce until evenly coated.
Place flatbreads on a baking sheet and brush lightly with olive oil.
Spread the BBQ chicken mixture evenly over each flatbread.
Sprinkle mozzarella cheese over the top.
Add sliced red onions evenly.
Bake for 10–12 minutes until cheese is melted and bubbly.
Remove from oven and sprinkle with fresh cilantro.
This BBQ Chicken Flatbread Pizza is best served hot and fresh for maximum flavor and crispiness.