British Airways and American Express announce a one-off “Avios-only” flight to New York to mark 25 years of partnership, according to multiple reports. The special flight is described as exclusive and restricted to customers who can redeem Avios points, rather than paying with cash. The announcements frame the trip as an anniversary offer tied to the airline’s loyalty currency, Avios, and the long-running relationship between the two companies. Both outlets state that the flight is planned as a single event and is positioned as a promotional celebration of the 25-year anniversary. The coverage emphasizes that no payment is required, with access linked to Avios redemption. Details such as the exact date, departure airport, and ticketing terms are not included in the provided text, beyond the general description of the flight being Avios-only and aimed at commemorating the partnership’s anniversary. The reports collectively characterize the announcement as a limited, points-based travel offering between British Airways and American Express.