Tourist arrivals at Bangkok's international airport have plunged 27 per cent in recent days, prompting the tourism ministry to look at ways to lure back visitors after a deadly tsunami that killed thousands along Thailand's popular southern beaches.

"The drop in tourist arrivals during the first three days of January marked a clear sign that the tsunami has had a psychological impact on tourism," said Tourism and Sports Minister Sontaya Kunplome.

Thailand tourist numbers plummet, continued