Best time to see the Aurora over Iceland is at about 11 pm but it depends on activity of the Sunwind.

If you are going to a self drive hunt then it is best to read "ALL ABOUT AURORAS"All About Auroras here on Nordurljosin.is 

If you like to go in group with Bus, Super Jeep, ATV Quads or Private tour with Taxi or Guide on small car look here below.