The event, which had been due to take place from 8-10 June, will now run 21-23 September.
It will still be held at the Hilton Istanbul Bomonti Hotel, and the hotel has reduced its accommodation rates for delegates.
Steven Freudmann, chair of ITT, said: “We take the health and safety of our members very seriously and we are doing all we can to mitigate the risk posed by the coronavirus. As such, we have decided to postpone the conference until later this year.