When you book a flight and travel on or before January 29, 2010, you’ll receive a complimentary companion ticket* which can be used in conjunction with your next purchased ticket. You and your companion can travel in any cabin, to any of the over 300 destinations British Airways flies to worldwide. Book your ticket and your companion ticket from January 4 through July 30, 2010 and travel from January 11 through December 15, 2010
Full Details Online Registration and Booking
* Must book a round-trip transatlantic ticket in qualifying World Traveller (Y, B, H), World Traveller Plus (W, E), Club World (J, C, D, R) or First (F, A) fares