The event was held in the presence of Andri Már Ingólfsson, chief executive and president of Primera Travel Group, and Kimon Sotiropoulos, vice president, sales, northern and central Europe, Airbus.
The aircraft which was assembled in Hamburg is the first of three A321neos to be leased from GECAS in 2018.
Primera Air will also lease a further five A321neos from other lessors, including two A321LRs, growing its fleet to eight aircraft in 2018.
The aircraft, powered by CFM Leap-1A engines features a two-class layout with 16 premium and 182 economy seats.
The aircraft was selected by Primera Air for its outstanding operational efficiency, comfort and range.
The aircraft will be deployed in the United Kingdom and France on transatlantic destinations to North America.
The A321 is the largest member of the A320 family, seating up to 240 passengers, depending on cabin configuration.
Incorporating the latest engines, aerodynamic advances and cabin innovations, the A321neo offers a reduction in fuel consumption of at least 15 per cent per seat from day one and 20 per cent by 2020.