Flying with a dog or cat on JetBlue: small pets can fly in the cabin ($150 each way), and there is no hold or cargo option. Each answer links to JetBlue's own page.
Only small dogs and cats may travel in the cabin, in an FAA-approved carrier under the seat in front of you. Up to two pets per traveler, each in its own carrier (a second pet needs a second seat and fee). JetBlue accepts pets on all domestic flights.
Source: JetBlue — Traveling with pets
$150 each way, added during booking or in Manage Trips.
Source: JetBlue — Traveling with pets
Carriers cannot exceed 17" L x 12.5" W x 8.5" H. Soft- and hard-sided carriers are accepted; the pet and carrier count as your personal item.
Source: JetBlue — Traveling with pets
JetBlue does not accept large dogs — there is no cargo option for pets.
Source: JetBlue — Traveling with pets
Whatever the airline, the CDC requires every dog entering or returning to the US to be at least 6 months old, microchipped, healthy, and to travel with a CDC Dog Import Form receipt.
The CDC dog import rule, step by step →Airlines change pet fees and rules often, and limits can depend on the aircraft. Always confirm with JetBlue when you book — the linked pages are the final word.
