Air France has select roundtrip flights to Europe on sale for as low as $855.34, as seen on Travelzoo. That's the lowest current price we could find for select routes by $4. This price is based on departure from Boston, MA, (BOS) with arrival in Barcelona, Spain, (BCN) on May 6; other departure cities are available for an additional cost. Blackout dates may apply. Available destinations include Paris, Barcelona, Rome, and more. Book this travel deal by April 25 for travel April 29 through May 15. Other notable fares: