Thessaloniki has access by plane, car, boat, train.
The state Thessaloniki airport "Macedonia" is responding to several countries around the world.
http://www.ypa.gr/en/our-airports/kratikos-aerolimenas-8essalonikhs-makedonia-ka8m
Also the Thessaloniki bus station has connections with several cities in neighboring countries and with Athens. http://ktelmacedonia.gr/en/home/list/
To access CAPSIS hotel from Thessaloniki Macedonia airport, take the bus No. 78 or 78N (night). Passengers descend at the stop "NEW RAILWAY STATION" ie the Train Station of Thessaloniki. From there, the Hotel is within 3 minutes walk. The bus ticket can be bought at a kiosk, next to the bus stop, at the airport. Tickets are also available in the bus (ticket machine), the cost is 2 euros.