The carry-on weight limit for an international flight depends on the airline through which you are going to make the reservation. The maximum you can carry is between 6 to 10 kg with dimensions not more than 55 X 40 X 20 cm (Height X Length X Width). British Airways is the only airline that provides carry-on baggage with weights up to 23 kg. Make sure that the baggage is within the provided limit, or you will be charged extra.
Yes, the list of prohibited items to take on a piece of carry-on luggage and its limitations differs from country to country. There are many items that are banned in one country and legal in another. Before booking a flight to another country, you should always go through the carry-on restrictions to learn about the prohibited items to carry. Following is a list of a few items that are restricted on each flight:
Every passenger is given one carry-on baggage and one small item to take in the cabin with them, regardless of ticket class. If you need to add additional luggage, then go through the extra items carry-on rules of the airline. It will provide you with information on the price, limitations, and other related information.
When flying to an international destination, then every airline offers one free carry-on bag to each passenger. The baggage has to be small enough to fit under the front seat or in the overhead locker bin. Adding any other baggage to the flight will be charged with some fees as per the airline's policy.