Echenique is a member of the senior men's Venezuelan national basketball team. He played with Venezuela at the following tournaments: the 2009 FIBA Americas Championship, the 2011 FIBA Americas Championship, the 2012 South American Championship, where he won a silver medal, the 2012 FIBA World Olympic Qualifying Tournament, the 2015 Pan American Games, and the 2016 South American Championship, where he won a gold medal.