You travel to Visby by air via:
Stockholm Arlanda (int. & domestic flights)
Scandinavian Airlines
+46 (0)8 797 40 00
Stockholm Bromma (domestic flights)
BRA
+46 (0)771 44 00 10
NB! Check with your airline if you have to pass through customs at Arlanda airport, or if you can check your luggage all the way to Visby.
You travel to Visby by ferry-boat via
Nynäshamn (70 km south of Stockholm) or
Oskarshamn (Southeast Sweden) with
Destination Gotland
+46 (0)771 22 33 00
Other info about Gotland: Gotland.net