JetBlue Airlines Reservations (Phone Number 1-844-987-7017). You can bring small cats and dogs in the cabin with your for a fee of $125 one-way each which JetBlue never refunds. Total weight of pet and carrier — 20 lbs (9 kg) or fewer, No larger than 17 x 12.5 x 8.5 in to fit underneath the seat in front of you When booking your flight, make sure to include a pet if you're planning on flying with one—you can do this online when you book your ticket or by calling JetBlue customer service. Keep in mind that each flight has a limited number of pets available for booking so book early!
