The 60-year-old Thai billionaire died on Oct. 27 with four others when his helicopter crashed next to Leicester's King Power Stadium. The seven-day funeral started on Saturday in Bangkok.
The team - including manager Claude Puel, striker Jamie Vardy and dozens of others - were seen arriving at the temple clad in black suits to pay their respects to the King Power founder.
They travelled to Thailand on Saturday after winning an English Premier League match against Cardiff City, where tributes were brought onto the pitch before the game in memory of Vichai.
Vichai bought Leicester in 2010. The team went on to stun the soccer world by winning the Premier League title against the odds in 2016.
(Reporting by Juarawee Kittisilpa; Writing by Patpicha Tankasempipat; Editing by Gerry Doyle)