Award Journey is issue to taxes and charges and carrier-imposed charges which happen to be the duty of your passenger and has to be paid out at some time the ticket is booked. Award Seats are confined and is probably not offered on all flights or in all markets. https://businessclassflightstosydney.wordpress.com/2024/11/02/how-to-get-the-best-deals-on-the-flights-to-singapore-from-london/