Silversea Air Programs are often booked on a promotional basis under our free air programs or nominal surcharge for business class. Specific requests and changes to our standard itinerary included may be requested through your travel professional or a Silversea Air Concierge representative. Please note, requests to change a flight reservation will result in non-refundable change fees (“Additional Air Collect”), which include all airline carrier and non-airline carrier-imposed fees in connection with the flight change. The Additional Air Collect may be assessed on a per change basis. Silversea Air Concierge desk may be reached by calling 1.866.981.4288 from Monday to Friday 9am-8pm EST, Saturdays and Sundays 9am-6pm EST or by emailing Silversky@Silversea.com.*Please refer to below Terms and Conditions or contact us for further details.