Thanks to Ignacio for the following.
I'm writing to tell you that AXN Latin America has confirmed the date in which they will air Lost Finale: It's gonna be on May 25th at 10 P.M. (Venezuela / México / Colombia / Argentina) -- 11 P.M (Chile).
Here's the source (in Spanish with episode titles/spoilers):
http://ar.axn.com/news/confirmado-ultimo-episodio-de-lost
On May 23th they're gonna air a marathon with the last 4 episodes before the Finale, which are:
The Last Recruit (reair) - 6 P.M Venezuela / México / Colombia /Argentina -- 7 P.M. Chile
Episode 6.14(reair) - 7 P.M. Venezuela / México / Colombia /Argentina -- 8 P.M. Chile
Episode 6.15 (reair) - 8 P.M. Venezuela / México / Colombia /Argentina -- 9 P.M. Chile
Episode 6.16 (premiere) 9 P.M Venezuela / México / Colombia /Argentina -- 10 P.M. Chile