Yes, you typically get a free checked bag on Qantas, but your exact allowance depends on your destination, travel class, and frequent flyer status. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For international flights, the allowance can also be influenced by whether your ticket includes travel with a partner airline. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK).

For domestic flights within Australia: 

• Economy: 1 piece of baggage up to 23 kg (50 lbs).
• Premium Economy: 2 pieces, each up to 23 kg (50 lbs).
• Business: 2 pieces, each up to 32 kg (70 lbs).
• Dash 8 Services (smaller aircraft): All passengers are limited to 1 checked bag up to 23 kg. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK).