You can use the following information to your advantage if you are certain about the cancellation and want to know How to cancel your Qatar Airways tickets in that situation:

Use your browser to visit the official Qatar Airways website. Pick "My Trips" from the menu. Put the following in: Last Name Booking Reference Pick "Retrieve Booking" from the menu. Select the "Cancel" option on the following page. By selecting "Confirm," you are confirming your choice. Your request to cancel your airline ticket will be made right away.

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