Silver Discoverer Free Roundtrip Air: All Fares are cruise-only, available in US dollars, per guest, based on double-occupancy in an Explorer suite. Fares are capacity controlled and subject to change at any time without notice. Promotional Economy Class Air is capacity controlled, subject to availability and can be modified or discontinued at any time without notice. Available from select air gateways only. Offer applies to new bookings made between January 7, 2017 and June 30, 2017. Promotional air offer is valid only for guests from the United States and Canada. Guests from the Caribbean, Central & South America and those guests from the United States and Canada not utilizing the Silversea promotional air offer will receive a non-use credit of $1,000 per guest. Silversea reserves the right to select the air carrier, routing and departure airport from each gateway city. Airline baggage fees are not included. Deviations to air travel dates are accepted at a charge of $150 per request plus all additional air costs. Due to flight schedules, some voyages may require an overnight hotel stay pre or post-cruise. This will be available for booking at an additional charge. Offer is NOT combinable with the Latin America offer (NASVGS167). Additional restrictions may apply. All advertised fares, savings, offers, programmes and itineraries are correct at time of printing, are subject to availability and may change at any time. Other restrictions may apply.