Chiang Mai is in Thailand, so entry follows Thailand's rules - and those depend on your passport. Pick it below for the exact verdict, then see the airport serving Chiang Mai and what Thailand requires before you fly.
City in Thailand · Population: 127,240
Before you fly to Thailand
Thailand Digital Arrival Card - submit within 72h of arrival - free on the official site Official portal ↗
The verdict is your passport's entry status for the destination country, from VisaChecker's dataset (last snapshot re-checked against government sources, with dated corrections on top). Transit rules for connecting without entering can differ - always confirm on the official portal before you fly.
