British Airways has select roundtrip flights to Europe on sale for as low as $869.59, as provided by ShermansTravel. That ties our mention from two weeks ago and it's the lowest current rate we could find for select itineraries by $6. This price is based on departure from New York, NY, (JFK) with arrival in London, England, (LHR) on December 2; other departure cities are available for an additional cost. Blackout dates may apply. Book this travel deal by November 20 for travel through March 31, 2014.