AIRPORTS
There are two major airports that you can arrive at to travel to Karlskrona, Sweden.

COPENHAGEN AIRPORT - (Copenhagen, Denmark):
This is the most convenient airport when travelling to Karlskrona, Blekinge, Sweden. From the Copenhagen Airport, there are train connections only five minútes from Customs. The trains run daily, every hour to Sweden and Karlskrona and you do not need to change trains anywhere. It takes  around 3 hours from Copenhagen Airport and you arrive directly in Karlskrona city centre at the railway station. 

ARLANDA AIRPORT - (Stockholm, Sweden):
If you are traveling from the north or if you have specific reasons to travel via Stockholm, Sweden such as Visa issues, this is the closet airport to the north of Karlskrona.