It was this week in June 1937 that Imperial Airways, the forerunner of British Airways, made its first flight to Bermuda. Now, 75 years later, in honour of its anniversary, the airline is offering special fares from Bermuda to London.Return fares, which are inclusive of all taxes and fees, start at $975 for World Traveller economy and $1,675 for World Traveler Plus. Customers can travel outbound between June 27 and August 23 and fares must be booked seven days in advance. Weekend travel is an additional $50 and there is a minimum Saturday night stay.The sale starts today and ends next Wednesday, June 27. Tickets can be booked online at ba.com, by calling 1-800-AIRWAYS or by visiting a local travel agent.