The bill for the International Olympic Committee's London visit was £680,000, the culture secretary has said.
The 13-stong inspection team was entertained by the Queen
Some £530,000 of this was spent on presentations, hiring venue space and technical support, Tessa Jowell said.
A further £150,000 was spent on preparations for the visit, she adds in a Commons written answer to Labour former sports minister Kate Hoey.
The inspection team spent four days in London assessing the capital's bid for the 2012 Games.