After analysing sales information from its four terminals, the airport revealed that some 4.5m boxes of chocolates were sold in 2010 - equating to more than one box for every resident of Singapore.
Passengers at Changi airport have also shown strong demand for traditional Asian gifts and souvenirs, such as Tiger Balm, Nonya dumplings and Kueh Lapis cakes.
The base has launched a promotion this month encouraging travellers to pick up local delicacies at reduced prices.
Introduced on 5 August, the Fabulous Fridays initiative will offer weekly deals on a range of items for shoppers who make a minimum purchase of S$30 (£15.20) using a Visa card or S$60 by other means.
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