welcome-fest according to reports according to reports welcome-fest according to reports costing just $1.24 million President Obama Inauguration Cost $170 Million - ABC News according to reports ABC News ABC costing just $1.24 million cost $170 million most expensive inauguration party in history The 2009 festivities topped out at $170 million The 2009 festivities topped out at $170 million according to reports spent at least $45 million on the hoopla