TL;DR – Breaking it down.
According to this website (which was last updated this year), the typical Singapore Girl earns an average of $3500 to $5000 a month. The amount depends on their flight roster which will in turn affect their turnaround, uniform and transport allowance.
A “good roster” will see cabin crew drawing about $5200,
While a “low pay roster” will reduce earnings,
The blog titled Fly Gosh also regularly posts updates on various airlines, with a strong focus on cabin crew recruitment.