Double topbonus award miles on airberlin Business Class flights Posted on March 16, 2014 by mightytravels in Best use of airberlin topbonus miles Air Berlin offers to double your topbonus award earning on airberlin Business Class flights from the USA to Germany (oneway and return)! All you need to do is to register here and book before March 31 and travel before May 31. 5 / 5 stars Related Posts:airberlin topbonus earning and redeeming miles is…Redeem airberlin topbonus miles on Etihad flights…United $238 RT to Mexico, airberlin topbonus shuts…WOW $55 one-ways to Europe, topbonus changes…Oneworld EU to US $1,500 in Business, Europe –…Air Berlin assets in high demand!, Club Carlson… Questions, corrections, ideas about this article? Catch us on Twitter @mightytravels. Travel like we do - unleash the power of ALL the world's best airfare deals in one interface. Browse thousands of Economy/ Premium Economy/ Business and First Class airfare deals in seconds with Mighty Travels Premium. Industry leading Money-back Guarantee.