Air France has select roundtrip summer flights to Europe on sale for as low as $900.72, as seen on Travelzoo. That's the lowest current price we could find for select routes by $30. This price is based on departure from Boston, MA, (BOS) with arrival in Stockholm, Sweden, (ARN) on June 16; other departure cities are available for an additional cost. Blackout dates may apply. Available destinations include Stockholm, Barcelona, Milan, and more. Book this travel deal by May 16 for travel May 16 through August 24. Other notable fares: