It's approximately a 40-minute drive by taxi or rental car from Keflavík airport to Sky Lagoon.
From Keflavík airport, take bus no. 55 and stop at Hlemmur (57 min). From there, take bus no.1 to Hamraborg (21 min), and then take bus no. 35 to Hafnarbraut (4 min), which is the nearest stop to Sky Lagoon.
Visit straeto.is for more information.
Currently, Flybus transfers do not travel directly to Sky Lagoon from the airport but they can take you to central Reykjavík where you can follow the instructions above.
Please note that we offer luggage storage for a small fee.