Iberia and Delta are having a decent sale ex-Milan to Lima via Madrid. These book as a combo of mixed codeshares so can make crediting the flights complicated.
LATAM Boeing 787 Business Class
LATAM Boeing 767 Business Class
Here you can find a trip report on Iberia in Business Class from New York JFK to Madrid (MAD) and reviews of the Schengen lounge and Non-Schengen lounges at Madrid-Barajas.
Iberia Airbus 330 / 350 Business Class
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