The answer to 'ceiling fan flickering lights' is that there are several common causes, including loose wiring, a bad capacitor, or a problem with the fan motor. Flickering lights can be a symptom of an electrical issue that should be addressed promptly to prevent further damage or safety hazards.
If the flickering is intermittent or the fan seems to be working otherwise, it may be a simple fix like tightening connections or replacing a capacitor. However, if the flickering is constant or accompanied by other issues like the fan running slow or not turning on, it's likely a more serious problem that should be evaluated by a licensed electrician.