2. Take an international flight: In general, the total weight of hand luggage does not exceed 7kg, and the volume of each piece of luggage does not exceed 20× 40× 55cm (the sum of the three sides does not exceed 1 15cm). Passengers on the US-Canada route can only carry one piece of hand luggage with them. Some airlines have special weight restrictions, please pay attention to the tips on the ticket or consult the airline. )
3. The restrictions on carry-on baggage in international flights stipulate that, under normal circumstances, the total weight of carry-on baggage shall not exceed 7kg, and the volume of each piece of luggage shall not exceed 20× 40× 55cm (the sum of three sides shall not exceed 1 15cm). Passengers on the US-Canada route can only carry one piece of hand luggage with them. Some airlines have special weight restrictions, please pay attention to the tips on the ticket or consult the airline. (1) Domestic routes: 40kg for first class passengers, 30kg for business class passengers and 20kg for economy class passengers with adult or children tickets. Passengers with baby tickets have no free baggage allowance. (2) Take international routes: the free checked baggage allowance for economy class passengers is 20kg, that for economy class passengers with student passports is 30kg, and that for business class is 30kg; The free checked baggage allowance for first class is 40 kilograms. However, when the destination is the United States, you can check two pieces of luggage, each of which does not exceed 23 kg, and the sum of the three sides of a single piece of luggage does not exceed 158 cm. When it is exceeded, passengers need to pay the excess baggage fee. Some airlines have special weight restrictions, please pay attention to the tips on the ticket or consult the airline. )