Thailand’s new entry regulations prompt tourists to cancel trips, tour agencies say

"These regulations affect tour operators as unvaccinated tourists have cancelled their trips to Thailand,"

Thailand aviation authority’s announcement on International Flights

This notification shall be effective from 1 July B.E. 2563 (2020), 00:01 Thailand local time onwards.

International flights may resume in September says CAAT chief

International flights are likely to resume as late as September, a top civilian aviation regulator said Wednesday.

Overseas commercial flight ban might not end on July 1 says TH aviation authority

The ban on commercial international flights might not be lifted on July 1 as originally planned and, if and when the ban is scrapped, business people will likely be the first to be allowed to travel, according to the Civil Aviation Authority of Thailand (CAAT).

Thailand’s aviation authority extends flight ban until April 30

The Civil Aviation Authority of Thailand (CAAT) has extended its inbound flight ban to April 30 except repatriation flights and some others for coronavirus disease 2019 (Covid-19) control.

Non-Thais with work permit need ‘Fit to Fly Health Certificate’ to enter Thailand

The new public announcement does not mention insurance.

Travel advisory to passengers planning to enter Thailand

Travel Advisory from the Civil Aviation Authority of Thailand (CAAT) as of March 26, 2020

All travellers required to show health certificate, $100k insurance effective March 22

Travellers to Thailand have to now show authorities a health certificate, issued no more than 72 hours before travelling, confirming that they have been tested and are free from the virus. They must also present an insurance policy showing minimum coverage for coronavirus of not less than US$100,000.

UPDATE: No medical certificate, no boarding says TH Aviation authority

Below is the complete translation of the said order published on the Tourism Authority of Thailand (TAT) website.