An Australian deported from Saudi Arabia after his brother was jailed there for terrorism-related offences arrived at Perth airport about 1.15am this morning.
Lawyer Abdal Jalil Al-Khalidy says Junaid Thorne was scheduled to board a Perth-bound plane on Thursday afternoon.
The 23-year-old had hoped to be returned to the West Australian capital, where his parents reside, earlier this week but was held up by paperwork.
He had to be removed from a police blacklist so he could pass through the airport and was allowed to leave the country - despite earlier being wanted by local authorities for questioning - because his residency had expired.
He spent many months in hiding as he was twice detained for protesting his older brother Shayden Thorne's imprisonment.
"Now I think we're at the end with Junaid's situation," Mr Al-Khalidy told AAP.
Shayden Thorne was sentenced in May to four-and-a-half years in jail for extremist material found on a laptop in his possession, but maintained his innocence, saying he had borrowed the computer.
Mr Al-Khalidy is working on an appeal for Shayden Thorne, which was due by Thursday, but an extension of up to a fortnight has been granted.
The men's family were not immediately available for comment, but indigenous broadcaster NITV quoted the younger Mr Thorne as saying he had mixed feelings, "sad and happy" about his return.