Tim Daley, 48, of Leven Avenue, Fleetwood, has been charged with two robbery offences and possessing a bladed article in a public place. He was arrested by officers on Saturday (25 September).
Officers from Lancashire Constabulary were called to the branch first on Tuesday (21 September) and again on Wednesday (22 September) following reports of two robberies.
Cash was stolen on each occasion, police said.
On Friday (24 September), the force launched a public appeal for information to find a man sought in connection with the offences.
Daley is due to appear at Blackpool Magistrates Court on Monday (27 September).