Other Turkish Airline International Flights
This applies to all tickets purchased to all destinations with the exception of homegrown trips in Turkey and to/from Ercan Airport (Northern Cyprus):
Tickets purchased from March 6 to March 24 for trips inside 2020-the first rebooking is for nothing.
Tickets purchased before March 5 with trips up to December 31, 2020 - the first rebooking is for nothing yet it should be done before March 16, 2020
[Update] For those tickets purchased before March 31, 2020, for trips up to December 31, there is Zero Change Fee. In the event that you don't have any idea when to fly, you can cancel a reservation and have an open ticket. Cancelation ought to be done before May 31, 2020, and flights finished until February 28, 2021.
The passengers may pay fare contrasts because of the change