Icelandair is putting Europe on sale and one of the best deals active right now is JFK to Copenhagen, Denmark. Flights start at $311 round-trip, after taxes with open availability between October 2018 and March 2019.
- October 7-14
- November 11-18
- December 9-17
Some of these flights include a layover in Reykjavik and offer enough time to explore a bit (with some tour companies offering sight-seeing tours specifically suited for these types of layovers.