Only citizens of Indonesia, Malaysia, Singapore, Philippines, Laos, Thailand and Vietnam can travel to Cambodia without visa. All visitors need a visa for traveling to Cambodia.
E-Visa is only valid for entry to Cambodia by air.
Tourist Visa
Visas can be obtained at Cambodian embassies or consulates. Tourist visas are valid for one stay of up to 30 days. Tourist visas can be extended. To apply for a visa, you will need a passport valid for at least 6 months, 1 or 2 photos and money to pay the fee. Paying in USD is always the best option as they offer really bad rates when paying in local currencies.Visa on Arrival
Visa on Arrival is available at Phnom Penh. Visa on Arrival should cost 30 USD.E-Visa
Nationals of most countries can apply for an e-Visa online. You will get visa as a PDF file by e-mail and will need to print two copies of it - for entry and exit. E-Visa costs 37 USD.E-Visa is only valid for entry to Cambodia by air.