The Qantas cabin baggage allowance varies depending on whether your flight is domestic or international, and which class you are flying. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) All passengers are also permitted to bring one small personal item in addition to their main carry-on baggage. 

Australian domestic flights

For domestic flights, the total weight for your carry-on luggage depends on how many pieces you bring. 

• One piece: A single bag weighing up to 10 kg is allowed.
• Two pieces: You can bring two smaller pieces with a combined weight of up to 14 kg, with no single piece exceeding 10 kg. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK).
• One piece and one garment bag: You can substitute one of the smaller bags for a non-rigid garment bag.