Oise Mobilite operates a train from Beauvais Airport (BVA) to Arras on demand. Tickets cost $4 and the journey takes 8 min. 2 other operators also service this route.
How to get from Beauvais Airport (BVA) to Arras
From Beauvais Airport bus to Amiens then train to Arras(F). 2 h 46 min 19€. From Tillé Centre line 31 bus to Beauvais, walk to Beauvais Gare SNCF, train to Paris Nord, then train to Arras(F). 3 h 20 min 52€. From Beauvais Airport (BVA) drive to Arras. 1 h 32 min 20€.