British Airways Executive club is offering a very generous promotion and will offer you double avios on your next 10 segments.
You have to register before August 31 to receive double avios on all flights until December 31.
A flight is defined here as a segment. You will also receive double avios on all holidays booked at British Airways.
The following flights qualify according to BA:
Qualifying Flight is a flight with a British Airways prefix on any selling class or cabin on any British Airways operated service (excluding or upgrades using Avios) or any flight included as part of a British Airways holiday and any flight with a British Airways prefix on a transatlantic flight, marketed by British Airways (BA), operated by British Airways (BA), American Airlines (AA), Iberia (IB) or Finnair (AY) between Europe and North America.
The promotion also applies to travel on domestic flights within the UK