Two Thai airports among Asia's 10 worst for business travelers

Located in Samut Prakan province, Suvarnabhumi Airport, the main international airport serving Bangkok, reached an average rating of 3.25 out of 10 and Don Mueang, one of the world's oldest international airports, scored 3.45, according to the British website.

It collated passenger reviews of major airports worldwide from airlinequality.com. Average ratings from reviewers categorized as business travelers were used to rank airports globally, by continent and by country.

Kuwait International Airport was voted the worst in Asia. "Not organized, rude security staff, below standard lounges & services," wrote one verified business traveler.

It was followed by Almaty Airport in Kazakhstan.

Nynoy Aquino International Airport of the Philippines was the fourth worst airport in the region.

Hanoi's Noi Bai Airport was named the best in the world and Asia, beating Singapore's Changi Airport in second.