From Bremen airport fly to Amsterdam airport then train to Leeuwarden. 3hrs 46min $224. From Bremen Airport bus to Groningen then train to Leeuwarden. 3hrs 39min $33. From Bremen Airport bus to Groningen, Hoofdstation, line 314 bus to Drachten, Van Knobelsdorffplein, then bus to Leeuwarden, Busstation. 4hrs 18min $17. From Flughafen, Bremen tram to Bremen Hbf, train to Leer(Ostfriesl), train to Groningen, then train to Leeuwarden. 4hrs 35min $63. From Bremen drive to Leeuwarden. 2hrs 37min $51.