Norwegian Air via ShermansTravel offers 1-Way Flights to Europe, with prices starting from $129. That's the lowest price we could find for select routes by at least $266. Book this travel deal by May 31. Buy Now Tips On the ShermansTravel landing page, click on "website" in the top line to see this sale. We found this price on flights departing on September 3 from New York, NY (JFK), with arrival in Athens, Greece (ATH). All prices, dates, and booking details were valid at the time of publication.