The plane is to land in Kyiv at 13:50.
The press conference with the Mejilis deputy heads is scheduled for 14:00.
'As long as Ukraine has allies like Turkey, Ukraine will have good prospects...I know our release raised the spirits of those who now faces repressions,' Chyigoz said.
According to Umerov, both officials will immediately start 'working on de-occupation of Crimea'. 'We'll gather and join forces as a single community to continue this struggle that we began,' he said. Earlier, he did not rule out he could return to Crimea.
On October 26, Ilmi Umerov and Akhtem Chyigoz were released from detention in the Russia-occupied Crimea; they were arrested, judged and sentenced for resisting the occupation of the peninsula in February 2014.