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https://community.expensify.com/discussion/14841/844-278-1109-can-i-get-a-refund-from-turkish-airline-if-i-cancel-my-flight/p1?new=1

there's no sense in canceling early and paying a fee. If, for example, there's some unrest in the area or bad weather, the Airline may end up canceling your Flight altogether and then you can get your money back.
You can cancel most Qatar Flights online or with a live agent. If your booking is on a low-cost Airline like Frontier, Spirit, or easyJet, you’ll need to contact the Airline directly.