Angeblich nur Heute. Was Premium dort bedeutet, weiss ich allerdings nicht... "Miracle of the Twelfth Day! Royal offer to Eco class ticket buyers. Buy Eco class ticket, enjoy Premium class service. Offer is valid only today, 06.01.2012. Campaign code is: premiumclass"
Grund steht im "Kleingedruckten": Campaign sales period is one day: 06.01.2012 until 23:59 (UTC+2h); Passengers with ECO class tickets purchased with the campaign code on 06.01.2012 enjoy Premium class service on board; Flight period: 01.06.2012-31.08.2012; Tickets can be bought only at http://www.estonian-air.com;