Award Journey is subject to taxes and charges and provider-imposed rates that happen to be the obligation in the passenger and have to be paid at enough time the ticket is booked. Award Seats are limited and is probably not readily available on all flights or in all markets. https://businessflightstosydneyfromlondon.business.blog/2024/11/02/how-to-get-the-best-deals-on-the-flights-to-singapore-from-london/