That actual works as well, don't book anything from South Africa I found out as I was booking my mates flights. You could knock several hundred off by going through an Australian or UK proxy. I believe from memory it was the same agency as well. Just changing the domain brought up vastly different prices on the same flights.

But no as I mentioned above lots of holiday destinations have cheap tickets inbound, but out bound are expensive. I first noticed it travelling from London to Croatia.

It was like $200 flight to Split, but the flight home was double or triple. I hopped on a proxy, and found I could get the reverse deal from Split to London. $200 to London, $600 back home to split. So I started gaming the system.

The agencies are hedging on the fact you have to take the return flight. So they coerce you into the cheap flight to location X, but claw the money back with the return flight which I guess the vast majority of people have to take.