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  • Employees of Domestic or International Commercial Passenger airline carrier and are NEW guests to Crystal Cruises
  • Pilots who are currently employed with a domestic or international cargo airline, such as Federal Express, DHL Worldwide Express, Astar Air Cargo, or United Parcel Service (UPS), are eligible to book one stateroom.
  • Retired airline employees and retired cargo airline pilots are also eligible to book one stateroom provided the airline is still in operation (e.g., retired employees of Eastern Airlines do not qualify).
  • Spouse and Parents of qulaified interline guest may travel without the Interliner
  • One stateroom per qualified airline employee, with spouse or accompanying guest traveling in the same stateroom as the airline employee.
  • A Second (2nd) stateroom now available for children 18 years and older, parents, and parents-in-law when traveling with qualified airline employee.
  •  Past guests who are Crystal Society members are eligible for Interline rates unless they have, or have had, a full-fare reservation on the desired Interline-rate voyage.

NOTE: Qualifying guests must submit a letter of employment verification and ID at the time of booking. 

Crystal requires proof of Interline Rate Eligibility immediately upon confirmation of your booking.  Without proof of qualified interline eligibility, Crystal reserves the right to automatically adjust the price to the applicable retail rate prior to departure.