By Bus...

Every evening at 7.15 pm there is a transportation service by the firm named Metro Turizm from Trabzon to Tbilisi.

By plane ..

There are direct flights from Istanbul to Tbilisi from Sabiha Gokcen and Ataturk Airport via Turkish Airlines and Pegasus.

By train ..

Every hour there is a transportation service by the firm named Ali Osman Ulusoy from Trabzon to Tbilisi.
High-speed train services between Batumi and Tbilisi twice a day in the morning and in the evening.

Click for detailed information about the train services