1. Check Requirement

Thailand is in the exemption list for Visa to Cambodia within 30 days. Therefore:

If you stay in Cambodia less than 30 days, visa to Cambodia is NOT REQUIRED

If you stay in Cambodia more than 30 days, visa to Cambodia is REQUIRED

2. How To Apply Cambodia Online Visa For Thailand Citizens

Citizens or residents in Thailand can choose one of 02 options below to apply for a visa to Cambodia:

Apply online to get visa on arrival (visa picked up at the arrival airport in Cambodia with the legal approval letter issued by the Cambodia Immigration Services Team Department).

Two, directly contact and apply your Cambodia Visa at the Cambodia Embassy in Thailand

3. Cambodia visa Fee for Thailand Citizens

For apply for a visa online, you have to pay two (02) kinds of Visa Fee, which were called Service Fee and Government Fee.