JetBlue accepts small cats and dogs in the aircraft cabin on both domestic and international flights (with the exception of flights to/from Jamaica, Barbados, Saint Lucia, Cayman Islands, Trinidad & Tobago, and interline/codeshare bookings). Only one pet per customer is allowed. Pets are not accepted on interline bookings (single itinerary containing both JetBlue and partnership airline segments). You may book your pet online at jetblue.com or by calling 1-800-JETBLUE (538-2583). JetBlue does not ship live animals as cargo or in the bellies of any aircraft.