From Skavsta Airport:
Take Airport Bus "Flygbussarna" to Stockholm Central Station. Change to commuter train ("Pendeltåg") towards "Västerhaninge", get off at station "Handen". Get off at the back of the train and up the escalators. Walk to the sportshall (20min).
Timeschedule of commuter train
From Arlanda Airport:
Take Airport Bus "Flygbussarna" or express train "Arlanda Express" to Stockholm Central Station. Change to commuter train ("Pendeltåg") towards "Västerhaninge", get off at station "Handen". Get off at the back of the train and up the escalators. Walk to the sportshall (20min).