Bangkok is not a cruise port, but is served by the port of Laem Chabang. In total, Laem Chabang functions as the embarkation for one sailings every year from Norwegian to Asia.
On average Bangkok is moderately affordable compared to other ports. The diagram below shows the monthly average cost per day for cruises from Bangkok (Cruises only depart from Bangkok between February and February). Prices are around the same throughout the year.