"Your resilience is a beacon of inspiration to all of us," Chikli wrote.
The source's claims that the letter had led to the cancellation contradicted the official line that Chikli was advised by Israeli security services not to attend.
The decision came from fears that pro-Palestinian organizations might file a legal motion for his arrest upon arrival in Belgium.
The proposed deal has lead to notable far-right figures in the Knesset threatening to quit.
The right wing minister called the deal 'reckless' and claimed it emboldens Hamas.
The announcement was significant, as Chikli was the first minister from the Likud to threaten to resign following confirmation of the hostage deal.
A joint online campaign spearheaded by the Israeli Diaspora Affairs Ministry and Bolsonaro led Brazilian authorities to announce they would not pursue the case.
“There is no other way to understand this decision than as a deliberate adoption of the Palestinian narrative,” Chikliwrote to Pope Francis.
Diaspora Minister Amichai Chikli claimed that CAIR had ties to Hamas and was 'outrageously antisemtic.'
Carlson hosted Jeffrey Sachs, who claimed that the collapse of the Syrian regime was orchestrated by Prime Minister Benjamin Netanyahu as part of a thirty-year campaign to remake the region.