"Au Revoir Geneve! In under half a day, PM completes visit and emplanes for Washington DC," External Affairs Ministry Spokesperson Vikas Swarup tweeted.
During the visit, India and Switzerland also agreed to step up cooperation to unearth blackmoney Indians stashed in Swiss banks.
In Washington, the prime minister will meeet President Barack Obama at the Oval Office, their sixth after Modi assumed power.
He is also scheduled to address a joint session of US Congress on June 8.
After the US, he will visit Mexico at the invitation of President Enrique Pena Nieto.