You may want to have visa in hand before travel to Cambodia ? Actually to get visa to Cambodia quite easy and cheaper at border like Siem Reap or Phnom Penh event from Bavet border to Vietnam and cheaper. The Ministry of Foreign Affairs and International Cooperation has launched e-Visa, which enables you to apply for a Cambodia tourist visa online. Instead of applying through Cambodian Embassy, all you need to do is to complete the online application form and pay with your credit card click here to go Cambodia immigration official site to apply cost more than at border