After winning two group stage matches, defeating Laos 4-1 and Philippines 1-0, Vietnam entered the semifinals and thrashed Malaysia 4-1.
Shin Tae-yong's team advanced to the semifinals as the best second-placed team. But in the semifinal, they were dominating hosts Thailand and winning 3-1. Thailand beat Malaysia to win the bronze medal in an earlier match on Saturday.
In this title clash, Vietnam will be eyeing revenge for their SEA Games semifinal loss to Indonesia in May.