Frostfire Passage – North’s Endless Current

A 35-night round trip from Reykjavik, sailing on the evening of 15 June. It makes 27 port calls, starting with Isafjordur, Akureyri and Seydisfjordur. The stops are in eight countries, and calls last 7 to 15 hours. Typical highs for the time of year run from 9°C in Isafjordur to 23°C in Hamburg (48 to 73°F). You're back in Reykjavik on the morning of 20 July. Regal Princess (2014) carries up to 3,560 guests on 18 decks and has 12 restaurants, 6 of them included in the fare.