Iberia's baggage allowance is clearly listed in BA's booking page. That's why I mention over the BA forum that one should check the baggage allowance before confirming the booking. Hotline staff should also be able to advise the checked baggage allowance as they need to include such information during ticket issuance - it's the carry on allowance that one would ask passenger to verify with the operating airline.

Baggage allowance displayed at BA on 28 May 2025



Staying with Iberia, their latest newsletter today finally mention the new Avios redemption fare categories