To learn more about the Oman Air’s baggage allowance, just look at the following details: Carry-On Baggage: If you are traveling with an economy class fare, then you will only be allowed to carry only 1 bag which should not weigh more than 7kg. For business and first class passengers, 2 carry-on bags are allowed with the weight of up to 7kg. Checked Baggage: Passengers of economy class are permitted 2 checked bags with the maximum combined weight up to 30kg. In business and first class options, you will be allowed 2 checked bags with the maximum combined weight of up to 50kg. The overall dimension of the bag should not be more than 158cm. To get detailed information, call on the Oman Air customer care number or simply visit the official website.