Spanair frequent flyers can have a companion fly with them for free if they buy a business-class ticket using a MasterCard. Included in the deal is a free stopover in Madrid. The flight must depart Washington/ Dulles, but the arrival city can be any of a number of Spanish destinations including Alicante, Barcelona, Bilbao, Ibiza, Malaga, Oviedo, Seville, Valencia, Victoria and Vigo.