20th Anniversary Sale Celebrate 20 years of Oceania Cruises with a free $600 Shipboard Credit plus OLife Choice offer with 2 for 1 Cruise Fares, Free Roundtrip Airfare with Airport Transfers,* and choose one free amenity: FREE - 6 Shore Excursions FREE - Beverage Package FREE - $600 Shipboard Credit Amenities are per stateroom