Making his international debut for Lebanon in 2006, Al Saadi represented his nation in 46 games, scoring six goals in the process.

He was part of the team that reached the 2008 AFC Cup Final where, despite Al Saadi scored in the second leg,[2] Safa lost 10–5 on aggregate against Al-Muharraq.

[5] In 2014 Al Saadi moved on a six-month loan to Iraqi Premier League side Naft Maysan, scoring one goal.

[12] Additionally, he is known for giving Lebanon the early lead against South Korea in the 4th minute, in order to help his team earn their first victory against them in a FIFA-sanctioned competition.

[13] He is one of 24 players involved to the 2013 match-fixing scandal, and suffered one season ban from club football, and a lifetime suspension from the national team.