British Airways flights from the UK – free BA first class upgrade
British Airways is currently offering UK residents a free upgrade to first class on one of the legs, when you book a return business class flight.
To receive this free upgrade, you need to book via their call centre on 0844 493 0787. The full details of the offer are here, and it’s worth reading the terms in full.
Generally speaking, the offer ends on 1 October for semi-flexible tickets, and 12 December for fully flexible tickets. In either case you need to travel out before 31 December 2014 and return on or before 7 January 2015.