Joanna Demafelis, 29, was found frozen in her employers' apartment more than a year after she was reported missing.
Nader Essam Assaf was arrested in Lebanon on suspicion of murder, the Philippines department of foreign affairs said on Friday.
Ms Demafelis's death prompted outrage in the Philippines and a ban on Filipinos travelling to work in Kuwait.
Mr Assaf, a Lebanese national, was arrested in his home country, the Philippines department of foreign affairs said in a statement.
His Syrian wife Mona, who is also a suspect, remains on the run, and is believed to be in Syria, it added.
Read More (...)