The campaign, created by , advertises a discount on BA flights between Sydney and London, via an MPU that has a scoreboard with a live feed showing the England score going up and the price of the flight going down.
The tongue-in-cheek campaign is running on Australian sites only, such as the Sydney Morning Herald, and uses the strapline "Do something you never thought you would do. Cheer on England".
Andrew Boggs, business director for the British Airways account at Ogilvy London, said: "The idea was to offer Australian cricket fans some consolation in defeat – without resorting to triumphalism or condescension."
England go into the fourth day of the final Ashes test this evening in Sydney with a commanding lead over their arch rivals.