The best way to get to Keflavík International Airport is to take the Flybus. You can take the Flybus from Hotel Nordurey. Hotel Nordurey is about 5-10 min walk from the Vibrant Iceland Hostel.
The best way to get to Reykjavik city center is to take the public bus no 1. You can take the bus from Hotel Nordurey (Hotel Hafnafjordur). Hotel Nordurey is about 5-10 min walk from Vibrant Iceland Hostel.