British Airways Executive Club members can upgrade to first class, one-way, at no extra cost when booking a fully-flexible Club World return ticket in business.
Members wanting to take advantage of the offer need to book by March 21 and must complete their outbound travel by the same date. Inbound travel must be completed by April 11.
There is no limit on the number of free upgrades on eligible flights within the promotional period.
Members can choose whether their free upgrade to first class is on the outbound or return leg of their journey.