Three individuals recognized to Sara Sharif flew to Pakistan the day earlier than the 10-year-old’s physique was found by police.
One-way tickets to Islamabad had been booked on 9 August, hours before she was found dead at a home in Woking, Surrey.
Police launched a homicide investigation and stated they wanted to question three people known to her who had left the UK.
Detectives are working with worldwide authorities to find the trio.
Police stated on Tuesday that formal identification was nonetheless set to happen and a autopsy examination can be carried out.
Sky Information visited the Woking-based journey agent the place the flights to Pakistan had been booked and noticed copies of passports and tickets for the passengers.
The tickets price simply over £5,100 in whole.
The journey agent instructed Sky Information the tickets had been booked after a telephone name and communication on WhatsApp.