Luggage with Korean Air
Carry-on baggage
The maximum weight of the carry-on baggage is set at 10 kg (22 lb), the sum of all three sides must not exceed 115 cm (45.3 inches). This baggage is free of charge.
Checked baggage
The weight limit varies according to the class in which you have purchased your ticket. You can carry one bag up to 23 kg (50.7 lb) in Economy Class and 2 bags up to 32 kg (70.5 lb) in First Class. For flights to America, it is possible to carry 2 pieces of luggage up to 23 kg (each) and the dimensions of individual piece of luggage must not exceed 158 cm (62.2 inches) in total.
Other
When it comes to transportation of animals, Korean Air only carries pets, such as dogs, cats or birds.

Korean Air