The president said he did not feel denuclearisation talks were "making sufficient progress" and told his secretary of state not to go "at this time".
Trump tweeted that he does not believe China is helping with the effort to reign in North Korea because of Washington's escalating trade war with Beijing. It would have been his fourth trip amid a deadlock in denuclearization talks over two months after Trump's Singapore summit with Kim Jong Un.
Trump in the same series of tweets on Friday also accused China of not "helping with the process of denuclearization as they once were", pointing to "our much tougher Trading stance" with the nation as the cause of the rift.
"In the meantime I would like to send my warmest regards and respect to Chairman Kim", the president concluded. "I look forward to seeing him soon!" he added.
'Using diplomacy to resolve the North Korean security threat once and for all remains one of President Trump's greatest priorities, ' Pompeo said. "President Obama said that North Korea was our biggest and most unsafe problem", he added.
Trump's tweets followed a report issued by the International Atomic Energy Agency this week outlining "grave concern" about the North's nuclear programme.
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Negotiations have all but deadlocked since the June summit in Singapore. "No longer - sleep well tonight!"
In addition, recent statements from North Korean officials have ruled out any new concessions until it sees a reciprocal gesture from the U.S. beyond suspending military exercises with South Korea.
On his last visit to Pyongyang, in July, Pompeo left saying progress had been made, only for North Korea within hours to denounce his "gangster-like demands".
Christopher Hill, a former USA ambassador to South Korea who led past failed negotiations with North Korea, tweeted: "Looks like @realDonaldTrump has begun to worry about #NorthKorea intentions".
This week, a watchdog group said Kim Jong Un had shown no signs of shuttering his nuke factory. "Trump has been expressing frustration privately".
A Rocket has not been launched by North Korea in 9 months.
At the same rally, Trump seemed to take a different tone too on China, saying he had withheld some criticism of China because "I wanted them to help us with North Korea and they have".