The parties were expected to hold talks in Washington in the 2+2 format with the participation of South Korean Finance Minister Koo Yun-cheol and Trade Minister Yeo Han-koo and their American counterparts - Bessent and US Trade Representative Jamieson Greer.
"The US has proposed holding talks in the near future, and South Korea and the US will set a new date for talks at the earliest date possible," ministry spokesperson Kang Young-kyu was quoted as saying by the news agency.
Koo canceled his flight to the US, the report said, adding that Yeo and Industry Minister Kim Jung-kwan, who have already arrived in Washington, continue consultations with US representatives.
On July 1, US President Donald Trump unveiled a 25% tariff on imports from South Korea and Japan starting August 1.