Phnom Penh is a cool 50.1 per cent cheaper than Melbourne, Bangkok is 41.8 per cent cheaper, and Bali is 36.6 per cent more financially friendly. If you want to save, it’s time to get out of here. Phnom Penh is a cool 50.1 per cent cheaper than Melbourne, Bangkok is 41.8 per cent cheaper, and Bali is 36.6 per cent more financially friendly. If you want to save, it’s time to get out of here. Lifestyle / Life & relationships Sydney Morning Herald – Latest News