Ayman Safadi, speaking in Amman, said he would travel on Tuesday to Moscow to meet his Russian counterpart Sergei Lavrov, Reuters reported.
The Syrian army has launched a major campaign to recover southwestern Syria from rebels.
“I look forward to a frank discussion to discuss how to arrive at a ceasefire as soon as possible,” Safadi said.
Jordan, which hosts about 650,000 registered Syrian refugees, according to the United Nations, has said it will not open its borders for more to cross.