Vietnam Airlines gives the power to cancel flights online with no hassles. Also, passengers can make an invitation for the refund online by filling the refund request form at Vietnam Airlines cancellation policy official site. The refund is provided just for the eligible Vietnam Airlines flight tickets that are canceled within the active span of your time . Vietnam Airlines doesn't provide a refund after the expiry period of the ticket. The Vietnam Airlines refund request may take time to be processed and may be granted within 7 to 10 working days. If Vietnam Airlines flights are canceled thanks to any unavoidable reasons from the Vietnam Airlines' end then it provides compensation to the passengers to book subsequent Vietnam Airlines flights. Thus, you'll easily cancel your flight and obtain a refund on Vietnam Airlines.