Our typical mode of travel is to pick a country, find a bunch of places to visit, and then figure out how to get to those places. Everything is paid for individually. This is done with an eye toward minimizing package tours and the cattle car experience of visiting places. For Iceland, my wife, who frequents travel sites, found an entire package for Iceland hitting all the major tourist attractions including airfare on Iceland Air. The tour included visiting both the Blue Lagoon and the Golden Circle on a big charter bus, something we steadfastly avoid, but the price was so good we opted to take the hit.