The Argentina international enjoyed a superb campaign for the Portuguese treble-winners last season, earning the title of Portugal's player of the season as well as a place in the Goal 50.
His club form caught the eye of Alejandro Sabella and secured him a spot at the World Cup, where he made three appearances, including a start in the final that Argentina eventually lost 1-0 to Germany.
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"I am very calm, comfortable and happy at Benfica," he told O Jogo. "On Monday, I travel to Portugal and if the opportunity arises to leave, it must be a mutual decision.
"I personally am not looking to leave."
Perez is also hoping international team-mate Sergio Romero moves to Estadio da Luz after his loan spell with Monaco came to an end.
The goalkeeper returned to parent club Sampdoria, but is believed to be close to completing a switch to the Portuguese capital to replace new Jan Oblak, who has joined Atletico Madrid.
"During the World Cup I told him about the club," Perez added. "He is a great person and a better professional.
"Benfica need people with experience in the squad."