Well the basic pay for virgin is £10185 which goes up to £11530 after one year. You do a maximum of 6 flights per month (there and back = 1).
On top of your basic pay you earn sector pay for each sector you do which i think is around £18.00 each way. Then you get allowances whilst downroute at you destination which is paid to you cash in hand in local currency while you are there. We were told allowances amount to around £6000 per year.
Hope that helps!
