In 2008, Llanos represented
Chile U23 at the
2008 Inter Continental Cup in Malaysia, scoring a goal. The next year, along with Chile U21 he won the
2009 Toulon Tournament and represented
Chile U20 at the
2009 South American U-20 Championship. He also was part of a Chile under-25 squad in a
training session led by
Claudio Borghi in May 2011, alongside his teammates in
Deportes Concepción,
Patricio Jerez and
Manuel Simpertegui. ==Honors==