Air France has select roundtrip flights to Europe on sale for as low as $664.37, as seen on Travelzoo. That's $41 under last week's mention and the lowest price we could find for a comparable flight by $8. This price is based on departure from New York, NY, (JFK) with arrival in Stockholm, Sweden, (ARN) on May 26 with return on June 9. Available destinations include Paris, Barcelona, Milan, and more. Book this travel deal by April 30 for departures before May 31. Click here to see more routes.