Can you cancel Emirates flight and get a full refund? Only Flex Plus Fares are fully refundable. You can cancel Emirates flight within 24 hours and claim a full refund. Flight should be booked at least 7 days before departure. How to cancel. Visit online or call us. Click on Manage Booking or Check in tab. Enter Less Name and Booking Reference Number. Click on Manage Booking button. Select and cancel your flight. Call 571-341-8360Framerates cancellation. Follow and visit flyofinder.com.