Singapore Airlines extends complimentary rebooking for tickets …
https://milelion.com/2021/12/01/singapore-airlines-extends-complimentary-rebooking-for-tickets-issued-by-31-march-2022/
WebDec 1, 2021 · Travel dates can be changed via the Manage Booking function on the Singapore Airlines website. Destination changes will require contacting Singapore Airlines. If your booking was made through a travel agency or partner airline, you will need to contact them directly for assistance.
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