The top-seeded Thai pair beat the number eight seed from Hong Kong 21-11, 21-12 for the mixed doubles champion in Bali to earn US$44,00 (B1.46 million), reports the Bangkok Post.
It was the second consecutive title for the Thai stars, who won the Hylo Open in Saarbrucken, Germany, on Nov 7 - and their fifth title this year.
Dechapol and Sapsiree were the only Thai badminton players who made it to the finals.
Badminton Association of Thailand president Patama Leeswadtrakul praised their excellent form, saying it gives them a chance for success at the World Tour Finals to be held next month.
Bali will host the season-ending tournament from Dec 1-5.