Quick answer: Chennai to Varanasi flight time is not covered by our verified sources, so check current airline schedules before you book. Give Varanasi at least two days and set aside a half day for Sarnath, about 11 km and 29 minutes by road via NH 31. Plan temple visits around the crowds and dress modestly. Chennai to Varanasi is a long journey by any route, and the flight is only the first...