Geting there: AirAsia has flights from Sydney via Kuala Lumpur to Phnom Penh or Siem Reap; or alternatively you can fly Thai Airways to Bangkok and then to Cambodia with Angkor Air. Currency: The local currency is the riel and most transactions are in US dollars. $ 1.00 US is 4,000 riel. Best time to visit: From November to April, as the rest of the year is the wet season. Visa: New Zealand tourists need a visa, which is quickly obtained on arrival at Phnom Penh or Siem Reap international airports and land crossings.