Passengers arriving via an international airport will be given a 30 days visa exemption stamp, however, those with back-to-back visa-exempt entries might be questioned. As of December 31, 2016, the number of visa exemption entries at a land border has been limited to two per the calendar year, for a maximum of 30 days each time. For those who would prefer to get a visa, a valid tourist visa offers a maximum of a 60 days stay.
The Thailand visa photo criteria are 6cm high x 4cm wide with a bright background color.
The citizens of the following countries do not need a visa to enter Thailand for a certain amount of time:
-Argentina, Brazil, Chile, Peru, South Korea (maximum stay of up to 90 days)
-Laos, Macau, Mongolia, Russia, Vietnam (maximum stay of up to 30 days)
-Australia, Austria, Bahrain, Brunei, Belgium, Canada, Czech, Denmark, Estonia, Finland, France, Germany, Greece, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Israel, Italy, Japan, Kuwait, Liechtenstein, Luxembourg, Malaysia (unlimited), Monaco, Netherlands, Norway, New Zealand, Oman, Philippines, Poland, Portugal, Qatar, Slovak, Slovenia, Singapore, South Africa, Spain, Sweden, Switzerland, Turkey, UAE, United Kingdom and USA (maximum stay of up to 30 days when entering Thailand at an airport, plus 2 extra 30-day exemptions at a land border in a calendar year)
Visa on Arrival (VOA)
The citizens of countries that are eligible for a VOA to enter Thailand can NOT enter Thailand at any Thai & Cambodian border:
-Andorra, Bhutan, Bulgaria, China, Cyprus, Ethiopia, India, Kazakhstan, Latvia, Lithuania, Maldives, Malta, Mauritius, Romania, San Marino, Saudi Arabia, Taiwan, Ukraine, Uzbekistan.
-All other foreign citizens must obtain a Thai visa from their nearest Thai embassy/consulate. A fee of 2,000 THB is payable upon entry and is subject to change without notice. It must be paid in cash and Thai currency only.
Note: It is recommended to keep a copy or record with your camera, your passport, visa, most recent entry stamp, and your embarkation card.
Depending on your nationality (passport), you can also apply the Thailand E-visa before flying / entering the country by the below link:
When you start to apply or after receiving your E-visa, kindly take time to double check and make sure all the information in the E-visa are exactly with the information in your passport and in your international flight (Ex: nationality, full names, number of passport, date of birth, gender, period of entry Thailand, name of airport/landport when entering Thailand, etc.)