This article states
Tiger Airways says it has already hired 60 SA-based pilots and cabin crew to ensure a quick start to the new operations.
so the pilots are already in Adelaide.
You have a job and the opportunity to gain some international flying experience. Singapore is a great place to live and a safe place to raise children.
If you can afford an A320 rating, I'm sure you'll have enough to relocate to Singapore for a couple of years.
