Finding airlines that allow large dogs in cabin can be challenging, but this comprehensive guide simplifies your search. Updated for 2025, it highlights the best carriers offering in-cabin travel for big breeds, including JSX, Bark Air, Aero Airlines, Set Jet, and more. These airlines go beyond standard pet regulations by allowing dogs over 20–100 lbs to travel comfortably beside their owners. Learn about carrier-free boarding, weight policies, necessary paperwork, and additional seat requirements. Whether you're planning a domestic or international trip, this guide provides everything you need to know to fly safely and confidently with your large dog. Perfect for owners seeking a smooth and stress-free pet travel experience.