Mention Iceland and I guarantee that the Northern Lights are one of the first things you think of. But how easy is it to see the lights? And when is the best time to see the Northern Lights in Iceland? Read this in-depth guide – with everything you need to know to plan your trip. I’ve just returned from a visit to Iceland – my second this year. There’s something about this wild and rugged island that I just cannot resist. Much as I loved my trip in May, there was one thing missing… the Northern Lights.