10 Best Southwest Approved Pet Carrier 2026 in the United States

The Sleepypod Air In-Cabin Pet Carrier is a solid choice for travelers needing a Southwest-approved carrier for small pets up to about 17.5 pounds. Its size is thoughtfully designed to meet airline requirements while still providing enough room for your pet to sit or lie down comfortably. The carrier features a sturdy nylon exterior combined with soft Ultra Plush polyester inside, which adds comfort and a cozy feel for your pet. It’s clever that the carrier can compress in height to save space when not in use, making storage easier.

Ventilation is handled well with mesh panels that let fresh air in while allowing your pet to see outside and feel less confined. Security is taken seriously through strong zippers and a padded shoulder strap, which helps you carry your pet safely and comfortably. The carrier also opens from the top and ends, making it simpler to get your pet in and out without stress. One of its strengths is the machine-washable plush bedding, which keeps things clean and fresh during travel. Large zipper pockets on both sides give you handy storage for treats or documents.

This carrier might feel a bit narrow for pets near the upper weight limit, and while it’s lightweight for its size, some might find 4.5 pounds a little heavy compared to other soft carriers. It is ideal for small dogs and cats who travel frequently by air or car and whose owners value comfort and security. Its durable materials and thoughtful features make it a reliable option, especially if you want a carrier that doubles as a pet bed. For pets on the larger side or if you need something ultra-light, comparing other models might be beneficial.

The Amazon Basics Hard-Sided Dog and Cat Kennel is a solid choice if you need a Southwest-approved pet carrier for small pets like cats or puppies. Its dimensions (23.6"L x 15.7"W x 13"H) provide a decent amount of space suitable for small to medium pets, though larger animals might find it cramped. The hard plastic body offers good durability and protection during travel, and the metal wire door and side panels allow for proper ventilation, helping keep your pet comfortable and cool. The locking door mechanism adds a layer of security, ensuring your pet stays safely inside. It also features a top handle, making it easier to carry through the airport or to your destination. However, since it has only one door (front entry), it might be a bit less convenient to place your pet inside compared to carriers with multiple access points.

Comfort-wise, the hard shell might not be as cozy as soft-sided carriers, so adding a soft pad or blanket inside is advisable. While it weighs about 5.3 pounds, which is manageable, the hard plastic construction might feel bulkier to some users. This carrier serves as a practical, reliable option for air travel with small pets, especially if you prioritize sturdiness and ventilation for your furry friend.

The Petmate Pet Porter Fashion Dog Kennel is a solid choice for small to medium dogs weighing between 15-20 pounds, matching Southwest Airlines' pet carrier requirements well due to its airline-friendly size and design. Measuring about 24 by 16.5 by 14.5 inches, it offers enough room for your pet to stand, turn around, and lie down comfortably, which is key for your furry friend’s comfort during travel. Ventilation is thoughtfully included on four sides, ensuring good airflow and visibility, so your pet can breathe easily and stay calm. The durable plastic shell makes this carrier sturdy and easy to clean, which is especially handy in case of accidents during trips. Inside, a stay-dry moat helps keep your pet dry by directing fluids away.

Security is addressed with a strong wire door and easy-open latch that keeps your pet safely inside while allowing quick access when needed. The fold-down handle adds convenience by making the carrier easier to carry. Assembly requires no tools, making it user-friendly for anyone. It also has a small built-in storage spot for essentials like treats or ID tags, which is a nice touch for travel convenience.

On the downside, at around 4.5 pounds, it’s a bit heavier than some soft-sided carriers, which might be less comfortable if you plan to carry it for long periods. The hard plastic design, while protective, may not be as flexible or packable as soft carriers. This carrier provides a good balance of safety, comfort, and practicality for pet owners needing a reliable, airline-approved option for their small dogs.