Indigo Airlines extra baggage fees can be charged when luggage crosses the weight limit for free allowance. The passenger can be charged with a fixed fee of ₹250 per kg, regardless of whether the luggage is checked or carry-on. For international trips, however, the fee can remain constant at ₹525 per kilogram for the extra luggage. IndiGo Airlines Baggage Policy for Transporting Pets may not allow pets or any other animals to be carried on its flights. IndiGo Airlines Baggage Policy for Infants can accept those customers who are bringing their babies onboard. Sporting or musical items that measure more than 158 centimeters can be charged with IndiGo Airlines extra baggage fees.