Israeli officials say they believe Ivan Duque, who was elected in a runoff, will continue the strong alliance between the two countries.
Marcelo Crivella, who is a fervent Evangelical Christian and a longtime friend of the Jewish community, sang several gospel songs at the fundraiser.
Since 1974, Israel has had to play much tougher European foes after being expelled from an Asian grouping in a Kuwait-led vote.
The world body also rejected U.S.-led amendments that condemned Hamas.
“It should be a constant warning for all of us of an obligation to reconciliation, of reciprocal comprehension and love toward our ‘elder brothers,’ the Jews,” the Pope said.
Israel's minister also said there is no peace because the Palestinians have conditioned peace on there not being a Jewish state.
CNN said the cause of death was suicide.
Despite allegations of state-sponsored incitement, Hungary's rates for hate crimes against Jews are among the lowest in Europe.
The group, wearing white T-shirts with a Star of David in rainbow colors, was supported by the local Israeli consulate, which led to calls for it to be prevented from marching.
The Central American nation moved its embassy to Jerusalem last month.