How do I choose a seat on LATAM?
Otherwise, LATAM assigns a seat at check-in; not buying advance selection does not itself mean you have no flight reservation.

Important unknowns
- Actual seat price, fare inclusion and inventory require the booking.
Sources and last checked
- Ancillary services — seatshttps://www.latamtrade.com/en_un/procom/ancillaries-convenience-ancillaries-pt