In a small bowl, mix the ingredients for the chipotle sauce. In another bowl, mix cream cheese and feta cheese until blended; spread over tortillas. Top half side of each with the salmon, green onions and red pepper; fold over.
Place quesadillas on a greased griddle. Cook over medium heat for 1 to 2 minutes on each side or until lightly browned and cheese has melted. Serve with the chipotle sauce and top with cilantro.