However, the rules can vary by airline. For example, American Airlines' carry-on luggage size is 22 x 14 x 9 ... pound weight limit for a carry-on; for Singapore, there is a 15-pound limit.

With some airlines offering free cabin bags included, and others fining travellers on the spot for misunderstanding the rules on hand luggage, packing for a holiday can be daunting. Here’s how to ...