There are small discounts available on domestic flight bookings for Ecuador, Colombia and Argentina.
LATAM is a decent alternative to Iberia if travelling to some of the less common parts of Latin America which British Airways does not reach.
As a member of the oneworld alliance, your LATAM flight will also earn Avios and British Airways Executive Club tier points as you can see on ba.com here.
(Want to earn more Avios? Click here to visit our home page for the latest articles on earning and spending your Avios points and click here to see how to earn more Avios from current offers and promotions.)