Flight times vary depending on your departure and arrival cities, and include a transit in Singapore. From Sydney: to Mumbai 13h 30m to 13h 45m, Kochi 12h 45m to 13h 00m, Hyderabad 12h 50m to 13h 05m, Delhi 14h 00m to 14h 15m, Bengaluru 12h 30m to 12h 45m, Kolkata 12h 20m to 12h 35m, Ahmedabad 13h 45m to 14h 00m, and Chennai 13h 05m to 13h 20m. From Melbourne: to Mumbai 13h 05m to 13h 15m, Kochi 12h 20m to 12h 30m, Hyderabad 12h 25m to 12h 35m, Delhi 13h 35m to 13h 45m, Bengaluru 12h 05m to 12h 15m, Kolkata 11h 55m to 12h 05m, Ahmedabad 13h 20m to 13h 30m, and Chennai 12h 40m to 12h 50m. From Brisbane: to Mumbai 13h 10m to 13h 20m, Kochi 12h 25m to 12h 35m, Hyderabad 12h 30m to 12h 40m, Delhi 13h 40m to 13h 50m, Bengaluru 12h 10m to 12h 20m, Kolkata 12h 00m to 12h 10m, Ahmedabad 13h 25m to 13h 35m, and Chennai 12h 45m to 12h 55m. From Perth: to Mumbai 10h 30m to 10h 40m, Kochi 9h 45m to 9h 55m, Hyderabad 9h 50m to 10h 00m, Delhi 11h 00m to 11h 10m, Bengaluru 9h 30m to 9h 40m, Kolkata 9h 20m to 9h 30m, Ahmedabad 10h 45m to 10h 55m, and Chennai 10h 05m to 10h 15m. From Adelaide: to Mumbai 12h 15m to 12h 25m, Kochi 11h 30m to 11h 40m, Hyderabad 11h 35m to 11h 45m, Delhi 12h 45m to 12h 55m, Bengaluru 11h 15m to 11h 25m, Kolkata 11h 05m to 11h 15m, Ahmedabad 12h 30m to 12h 40m, and Chennai 11h 50m to 12h 00m. From Cairns: to Mumbai about 11h 40m, Kochi about 10h 55m, Hyderabad about 11h 00m, Delhi about 12h 10m, Bengaluru about 10h 40m, Kolkata about 10h 30m, Ahmedabad about 11h 55m, and Chennai about 11h 15m. From Darwin: to Mumbai 10h 00m to 10h 10m, Kochi 9h 15m to 9h 25m, Hyderabad 9h 20m to 9h 30m, Delhi 10h 30m to 10h 40m, Bengaluru 9h 00m to 9h 10m, Kolkata 8h 50m to 9h 00m, Ahmedabad 10h 15m to 10h 25m, and Chennai 9h 35m to 9h 45m.