"A replica on the same scale is expected in the coming days," Flamengo's sporting director Isaias Tinoco said on Monday.
Central and southern Chile was hit by an 8.8-magnitude quake on February 27 that killed hundreds and caused massive damage.
"The less time we spend on Chilean soil the better," Tinoco told Radio Brasil according to the Globo sports website.
Coach Andrade, whose team are top of the Carioca (Rio de Janeiro) state championship and have two Libertadores Group Eight wins already under their belts, said: "I'm taking everyone to Santiago, we'll be there at full strength.
"We know our stopover in Porto Alegre is not ideal but it's an emergency situation. Chile is living through a difficult time and we have to find other ways (of doing things)," he told the club's website.
Chilean champions Colo Colo, who lifted South America's top club trophy in 1991, are also at home in Group Seven on Tuesday against Argentina's Velez Sarsfield, who won it in 1994.
Corinthians, bidding for the title for the first time with former Brazil World Cup winners Ronaldo and Roberto Carlos in their team, visit Paraguay's Cerro Porteno in Asuncion in Group One on Wednesday.
