On bookings from Russia to Lisbon, Porto, Funchal, Ponta Delgada and Casablanca?? made through flytap.com/Russia from the 19 August to 2 September, TAP offers a 15% discount on total booking price.
All you have to do is enter the code in the "Promotion Code” box.
10% discount applicable on total booking price?. The promotion code is valid on bookings made through the Russia tab from the 19th of August to 2nd of September 2013.