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While most airlines have done away with online booking bonuses, some like Air Berlin are just introducing them and since these type of promotions are quite rare we feel it deserves the Bonus Offer Highlight for today.
Air Berlin TopBonus
1 TopBonus Mile per EUR 1 Spent when you register and book your flight at airberlin.com while you are logged in by using the topbonus Comfort Log-in. Register Online (Registration is required)