In 1983, Spantax became the first Spanish airline to fly to Japan via the polar route, with a stop in Anchorage, and in the same year Boeing 737-200s began to be added to the fleet, to replace the DC-9s. New flights from Palma de Mallorca to Turku, Kuopio, Tampere and Vaasa in Finland were begun with the 737s in 1984, and in the August 1984 the airline undertook charter flights to Venezuela with the DC-10s in conjunction with Iberia and VIASA.