Levies collected from passengers by the airlines will go into a fund used to purchase sustainable aviation fuel. SINGAPORE: Airline passengers departing from Singapore will have to pay a sustainable aviation fuel levy ranging from S$1 (US$0.77) to S$41.60 per ticket, depending on their travel destination and travel class. The levy will apply to tickets sold from Apr 1, 2026, for flights departing from Singapore on or after Oct 1, 2026, the Civil Aviation Authority of Singapore (CAAS) said in a