Hi all. Now I'm in the country the next thing to figure  is...what paperwork is required to fly within Thailand? Do you need recent pcr or antigen tests or is vac cert, thai pass etc good enough? For that matter do you need anything to use trains or long distance buses?

There is a helpful thread here:

https://aseannow.com/topic/1241434-information-about-domestic-travel-restrictions-based-on-vaccination-and-or-testing/

Flew BKK-CNX week last week on Thai Smile and the checkin counter agent asked for either a vaccination certificate or a negative PCR test (but not both).

19 hours ago, bubba said:

Flew BKK-CNX week last week on Thai Smile and the checkin counter agent asked for either a vaccination certificate or a negative PCR test (but not both).

Thanks for the reply. I'll be putting it to the test later. 

Internet check-in at AirAsia shows a self-declaration for a flight from Khon Kaen to Phuket. Wonder whether this will be all that is required?

Will report after the flight which will be in two days.

(they rush with the check-in)

On 12/16/2021 at 5:10 PM, bubba said:

Flew BKK-CNX week last week on Thai Smile and the checkin counter agent asked for either a vaccination certificate or a negative PCR test (but not both).

Same for me in November from BKK to KKC.

Showing vax cert.

As written elsewhere: zero requirements for flying TO Bangkok.