The offer for a one-way upgrade is available to anyone flying between now and August 28, although seats must have been booked between April 5 and June 14.
Sara Dunham, British Airways’ head of marketing, retail and direct, said: “Unsurprisingly, these upgrade offers are extremely popular with our customers.
“For no additional cost, they can enjoy all the extra benefits of First, from the bespoke lounges to the comfortable suites on-board and personalised service.
“It’s a really nice way for us to recognise our customers and give them something back as a thank-you for their booking and their loyalty.”
Customers can take up the offer by contacting their travel agent or calling the BA on 0344 493 0787.
