SINGAPORE, June 15 (Reuters) - Oil prices slipped on Monday after U.S. President Donald Trump and Iran's deputy foreign minister said they have reached a deal to halt the war and to resume traffic through the Strait of Hormuz.

Brent crude futures fell $3.51, or 4.02%, to $83.82 by 2203 GMT and U.S. West Texas Intermediate was at $80.95 a barrel, down $3.93, or 4.63%.