
The European woman had arrived from Peru and was en route to Cambodia via Colombo and Kuala Lumpur, customs media spokesman Leslie Gamini said.
She was arrested by airport customs upon arriving in the country on board Emirates flight AK 650, he said.
The parcels containing 5 kilograms and 578 grams of cocaine was discovered carefully concealed inside the covers of story books and fax rolls.
The seized cocaine is estimated to be worth around Rs 85 million.