Icelandair has select roundtrip flights to Europe on sale with prices starting at $564, as found on Travelzoo. (A roundtrip purchase is required; taxes are included.) That's $26 under our April mention and the lowest collection of starting rates we've seen from Icelandair. It's also a current low by $191. This price is based on departure from New York, NY (JFK) with arrival in Reykjavik, Iceland (REK) on May 8. Additional taxes and fees may be substantial; terms and conditions apply. Available destinations include London, Oslo, Paris, Amsterdam, and more. Book by February 9 for travel through May 18. Of note, although the sale page states prices starting at $595, we were able to find roundtrip fares from $564 via the date above.