The online dating websites say there is little they can do to restrict this type of fraud.
According to recent figures, these requests for cash appear to be working.
There were 651 dating scams reported in the three months to August this year, with the average victim paying out £9,589.
In July, the average payout was as high as £10,882.
One includes the scammer telling the victim that they don't have enough annual leave left to come and visit them but that they can buy some from their employer.
This costs around £250 a day, so 10 days will cost £2,500.
Someone you have started to develop a relationship with online might first ask for money for travel costs, or say they have lost their plane ticket so need to borrow some cash for a new one.
They might say a family member is ill and they need funds for urgent medical treatment.
In order to release it they claim they have to pay a customs release fee – which is then requested from the victim." Online dating scams are nothing new, but they are on the rise.From April 2013 to March 2014, there were 2,037 cases of dating scams reported to Action Fraud, with the 651 scams over the summer marking an acceleration.