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The 10 Very Best Airplane-Friendly Pet Carriers

Photo: The Strategist

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The logistics of leaving your pet at home while you’re on a trip are tricky, but taking a cat or dog aboard an airplane can be even trickier. For one thing, you’ll need to find a carrier that’s comfortable enough for an hours-long flight and meets your airline’s individual size requirements for bringing a pet in the cabin. Or, if an animal is too large for in-cabin travel, you’ll need an option suitable for the climate-controlled cargo hold. The TSA does not have general guidelines for pet carriers, but carriers typically go through an X-ray machine (while pets must go through a metal detector, just like their owners), so it’s also a good idea to bring a leash or harness, so your pet doesn’t break loose at security.

This is assuming your pet is allowed on a plane in the first place. The Strategist spoke to 16 vets and other animal experts about what to know when flying with pets, and Jamie Freyer, a veterinarian and guest contributor at Honest Paws, told us that airlines have more restrictions than ever on pet travel since the pandemic. Many have size restrictions on which pets can travel in the cabin, says Keston Smith, medical director at Bond Vet. Depending on your airline and destination, your pet may also need proof that they’re healthy enough to fly and up-to-date on vaccinations.

Because there are so many variables, you should book your flight first. Some airlines limit the total number of pets allowed on each flight, so it’s important to buy a ticket as early as possible. Then you can choose a carrier and prep your pet for the flight. “Pets are often less stressed when there is some familiarity with their surroundings,” explains Annette Louviere, a veterinary consultant at Whistle. “Of course, once you get to the airport, you lose most of that control, but acclimating your pet to the carrier prior to travel can help greatly.” To help your dog or cat form a positive association with their temporary home, Gayle Martz, creator of the Sherpa bag, suggests using the carrier to transport your pet to a familiar place like a park or coffee shop.

Read on for what to look for when choosing an airplane-friendly carrier for your furry friend, or use the handy links below to jump directly to our picks.

What we’re looking for

Size

When selecting a carrier, the two most important sizing factors to consider are that 1) your animal will fit safely and comfortably inside, and 2) the carrier meets the size requirements for in-cabin or cargo-hold travel. All our experts recommended soft-sided carriers if you’re bringing your pet onboard because they can fit under a seat better than hard-sided styles. Most carriers have a weight limit, and limits on the size of your carrier and the combined weight of the carrier and your pet vary from airline to airline. On JetBlue, the combined weight of the carrier and your pet must be under 20 pounds, and the carrier size limit is 17 inches long by 12.5 inches wide by 8.5 inches high. American Airlines has the same 20-pound weight limit, but carrier-size limits vary based on the aircraft. Size requirements on Delta also vary based on the aircraft; however, the airline recommends soft-sided carriers that are 18 inches long by 11 inches wide by 11 inches high. On United, the maximum dimensions for a soft-sided carrier are also 18 inches long by 11 inches wide by 11 inches high. (For each carrier, we’ve listed measurements in the order of length, width, height.)

Some airlines allow pets to fly in the climate-controlled cargo hold, but restrictions vary depending on the age, size, and breed of your animal. Hard-sided carriers or crates with a metal grated door are typically required for cargo-hold travel. As a rule of thumb, American Airlines advises that the carrier be longer or taller than your pet when they are standing outside of it, which ensures your pet will have enough space to stand, sit, and lie in a natural position. Meanwhile, Delta has placed a temporary embargo on pet cargo shipments globally.

Washability

We all know pets are messy, and accidents can happen in stressful situations — like flying. Some carriers are waterproof or water-resistant to keep any wetness from seeping through, and others have removable liners or bedding that you can toss in the washing machine once you get home.

Extra features

From expandable panels that let pets stretch out in flight to built-in pockets for holding travel documents, some carriers are equipped with lots of special features designed to meet specific needs. There’s nothing wrong with a bare-bones carrier as long as it works well for you and your pet, but extras like padded shoulder straps for comfort or locking zippers for security can make a big difference.

Best overall pet carrier

Size: Small: 15” x 10” x 8”, max weight 8 lbs; Medium: 17” x 11” x 10.5”, max weight 16 lbs; Large: 19” x 11.75” x 11.5”, max weight 22 lbs | Washability: Machine washable liner | Extra features: Seatbelt strap, locking zippers, shoulder strap, storage pocket, certified by Guaranteed on Board

Sherpa was the most mentioned brand among our experts — and the most affordable option on this list at under $40. (According to three experts, less expensive pet carriers can compromise the safety of your animal.) The company partners with several major airlines (including Southwest, United, and Delta) through a program called Guaranteed on Board, which liaises between pet owners and airlines by allowing owners to submit a form to their airline with their flight details, pet’s information, and the type of carrier they’ll be using. If you’re denied boarding because of an issue related to your carrier, Guaranteed on Board will reimburse you for the cost of your flight and any associated pet fees. (Only Sherpa carriers are eligible for the program, which is overseen by its parent company.)

“The small and medium sizes of the Sherpa Original Deluxe pet carrier are included in Guaranteed on Board, so you can rest assured that your pet travels will go by without a hitch,” says Samantha Schwab, the former resident pet expert at online pet retailer Chewy. Alison Waszmer, the director of Dogtown, a sanctuary for homeless dogs and those recovering from abuse and neglect at the rescue organization Best Friends Animal Society’s Utah headquarters, is another Sherpa convert. She describes the carrier as well constructed and comfortable. Kristi Littrell, adoption manager at Best Friends Animal Society, likes Sherpa’s soft-sided carriers “because they can fit under the seat in front of you, whereas the harder-sided ones can’t adjust to various spaces.” Veterinarian John Iovino, who contributes to the Wildest, used a Sherpa carrier when traveling internationally years ago. He appreciates all the access, with two openings to reach in. From his experience, mesh-paneled carriers provide good ventilation, make positioning under a seat easier, and offer “a chance for you to see your pet to make sure everything is okay.”

Best carrier for small pets

Size: 16” x 10” x 8.5”, no maximum weight listed | Washability: Machine washable liner pad | Extra features: Adjustable shoulder strap, five pockets

If you’re a frequent flier on a specific airline, it might be worth buying its official pet carrier so you won’t have any doubts about it fitting under the seat. This one from JetBlue is on the smaller side and best for petite dogs and cats, and it’s guaranteed to fit on all JetBlue flights. Other airlines have their own branded carriers (like this American Airlines x Sherpa model), but because the JetBlue one is among the smallest and will likely meet multiple airlines’ size requirements, we recommend it for any pets that will fit.

Best convertible pet carrier

Size: Small: 17” x 11” x 10.5”, max weight 15 lbs, Large: 19” x 11.75” x 11.5”, max weight 25 lbs | Washability: Washable fleece lining, waterproof bottom | Extra features: Built-in leash, safety collar clip, reflective detailing, shoulder strap car capability, one-year product warranty

With a distinct design, this soft-sided option from Roverlund can be converted from an everyday pet carrier to a dog or cat backpack — in addition to a built-in collar clip, it comes with a leash for when you’ve arrived at your destination. The handles and leash are all made of double-sewn mountain-climbing rope, which Royah Nuñez, dog trainer and founder of Quing Canine, says are “really strong and sturdy, especially if you’re moving through the airport and holding the bag on your shoulder. It’s a lot more comfortable than the Sherpa bag.”

The bright colors can also prevent a pet carrier from being mistaken for luggage, says Tazz Latifi, pet nutritionist and founder of Petropolis Natural Pet Supply & Grooming Facility. The reflective detailing provides added nighttime visibility.

Best pet carrier with a roll-down cover

Size: 18” x 10.5” x 11”, max weight 15 lbs | Washability: Removable faux-fleece lining, leakproof material | Extra Features: Padded shoulder strap, luggage strap, seatbelt attachment, ID-tag holder

While all of our experts recommend carriers with mesh openings so pets can see their surroundings, a roll-down fabric cover may be useful if your pet is easily overstimulated by all the action at the airport. This heathered fabric carrier with a cover from Mr. Peanut’s is available in a refreshing selection of non-black colors and another one of Schwab’s picks. “It’s lined with a soft fabric so your pet can snuggle up during a long trip,” she says. The carrier features locking zippers for added security and outside pockets for storing treats, toys, or a leash. Littrell, who also likes this model, says the roll-down cover flaps “keep the airline draft out when you are flying.”

Best luggage-compatible pet carrier

Size: 18.7” x 10.8” x 10.75”, max weight 18 lbs | Washability: Washable and water-resistant sherpa lining, water-resistant nylon exterior | Extra features: Luggage strap compatible with Away suitcases, safety collar clip, seatbelt latch, two side pockets, one with drainage holes

If you already own any of Away’s popular luggage, you’ll appreciate how this carrier will seamlessly attach to any of the brand’s suitcases. Strategist senior writer Liza Corsillo calls the sleeve that slips over the handle “sturdy,” which allows her to roll her luggage with the carrier on top and her dog inside “without worrying that she might fall or the bag will collapse in on itself.” It’s also certified by the nonprofit Center for Pet Safety, says Jamie Richardson, medical chief of staff at Small Door Veterinary, who often recommends Away’s carrier to pet owners. The bedding isn’t just soft for your pet to lay in, she says; it’s also removable and washable for easy cleanup. Plus the carrier features a water-resistant lining to help contain any accidents.

Richardson further highlights the pocket for holding important documents and another (with drainage holes) for storing a collapsible water bowl. A zip top, side openings, and mesh panels on three sides ensure your pet can breathe easily, while the interior collar clip adds extra security and seat-belt latches keep the carrier in place on car rides to the airport.

Best collapsible pet carrier

Sleepypod Air
$185

Size: 22” x 10.5” x 10”, max weight 17.5 lbs | Washability: Machine washable and water-repellent lining, tear- and stainproof materials | Extra features: Folds flat for storage, compressible for tight spaces, seatbelt strap 

Richardson is a fan of Sleepypod, which makes mobile pet beds that double as car sets and carriers. The Air carrier has all the features she says pet owners should look for, including enough space for a pet to stretch out their claws and paws. It’s not the first time we heard about this brand of carrier, which made appearances in our guide to the best car seats for dogs and everything you need to fly with a cat, where it was among the best cat carriers. Mikel Delgado, a cat behavior expert with Rover, likes that it’s specifically made to fit underneath airline seats. Richardson and Delgado both recommend putting your pet’s favorite blanket inside, as the familiar smell will make them feel more at ease. Louviere, meanwhile, has heard raves from cat owners about the Sleepypod: “Their kitties appear quite cozy when visiting the clinic.” A flexible structure allows the carrier to compress to fit smaller spaces and it also collapses down flat for easy storage.

Best tote-bag-style pet carrier

Size: Small: 18” x 10” x 10”, max weight 25 lbs; Medium: 15” x 12” x 12”, max weight 25 lbs; Large: 18” x 12” x 12”, max weight 30 lbs | Washability: Fully machine washable | Extra features: Luggage strap, adjustable and padded shoulder strap, vegan-leather handle

In their travels with a dog and cat in tow, Dandy Dogwalker founder Hadley Raysor uses the SturdiBag Pro, designed with a rounded top to easily sling over your shoulder like a tote bag. The bag comes in three sizes, and while the brand says the large fits on most airlines, it recently introduced the medium after receiving customer feedback that the bigger size was sometimes rejected. Raysor initially liked how the carrier’s features — like a luggage handle loop, locking zippers, and security clips — made traveling easy on them. But it turned out their pets actually didn’t mind cross-country flights in the carrier. “My cat particularly liked being able to see out of the mesh top of the bag,” Raysor says. It’s fully machine washable too.

Best expandable pet carrier

Size: Small: 16” x 10”x 9”, max weight 7 lbs; Medium: 18” x 11” x 11”, max weight 13 lbs; Large: 19” x 12” x 12” | Washability: Removable, washable liner | Extra features: Expandable, collar clip, luggage strap, collapsible for storage

Conrad Russo, blogger and owner of Pet Gear Lab, recommends this fleece-lined case for skittish pets. “I love that it’s expandable on the side,” he says. “Dogs traveling and taken on a plane can really have anxiety, so giving them a little more space makes all the difference.” Zip up the expandable panels before boarding to make sure the case fits your airline’s regulations, and then open them up on the plane to let your cat or dog stretch out. This carrier comes in three sizes, with the small and medium likely to fit on most planes (double check your airline’s individual requirements for the large carrier, as its measurements are right on the border of the maximum size).

Robert Haussmann, co-founder of Dogboy NYC, uses the Petsfit when flying to the Midwest with his dog, Josie. He praises the carrier’s ventilation and expandability. With enough preflight practice, he says, Josie usually curls up and chews her special toys without a problem on the journey. One month ahead of a flight, he starts training her to go into the carrier on cue, and she earns treats whenever she hangs out in the carrier while Haussmann and the rest of the family are eating dinner or watching a movie. “The goal is to ensure that Josie feels comfortable and has a positive association with her carrier,” he says. “When she can stay in there comfortably for an entire Harry Potter film, we feel she is ready for her trip.”

Best backpack-style pet carrier

Size: 16.5” x 12.5” x 10”, max weight 18 lbs | Washability: Hand-wash, no removable lining | Extra features: Padded shoulder straps, waist and chest buckle for extra support, includes collapsible bowl

Waszmer suggests trying out different styles of carriers to see what your pet feels the most comfortable in. She tends to go with either the Sherpa, above, or this carrier from PetAmi. “I like the way the PetAmi fits under the seat,” Waszmer says. “When laid flat, it allows most small dogs to lay either straight or curled up.” The backpack features four-way access on the sides, front, and top, where there’s a mesh opening for a pet to poke out its head. The chest and waist straps will come in handy if you’re also toting carry-ons and checked baggage.

Best pet carrier for large pets

From $500

Size: From 24.5” x 18.6” x 19”, no maximum weight listed | Washability: Hand-wash, no removable lining | Extra features: Non-slip feet, built-in tie-down pins, two carry handles, drainage base, stainless-steel hardware

For pets that are too large to fly in the cabin of an aircraft, Latifi recommends these hard-sided pet carriers from Gunner, which are certified by the Center for Pet Safety and have a lifetime warranty. “It’s super heavy-duty, so it’s tough for it to be thrown around because of the weight of the actual carrier itself,” Latifi says, adding that, while they aren’t the lightest to lift, the G1 Kennels are still preferable to other large crates like Petmate’s Vari Kennels, which are clunky in comparison.

According to the brand, this kennel is the only double-walled crate on the market constructed with rotational molding, meaning an exterior layer works to absorb the majority of an initial impact and an interior wall provides another layer of protection and insulation. The main door’s hinges can be installed on the right or left side, and the paddle latch includes a lock and key. Backup safety locks are also located at the top and bottom of the door for secure reinforcement, while recessed floors will keep your pet dry throughout the journey.

Our experts

• Mikel Delgado, cat behavior expert with Rover
• Liza Corsillo, Strategist senior writer
Jamie Freyer, veterinarian and guest contributor at Honest Paws
• Robert Haussmann, co-founder of Dogboy NYC
• John Iovino, veterinarian and contributor to the Wildest
• Tazz Latifi, pet nutritionist and founder of Petropolis Natural Pet Supply & Grooming Facility
• Kristi Littrell, adoption manager at Best Friends Animal Society
• Annette Louviere, veterinarian and veterinary consultant at Whistle
• Gayle Martz, creator of the Sherpa bag
• Royah Nuñez, dog trainer and founder of Quing Canine
• Hadley Raysor, founder of Dandy Dogwalker
• Jamie Richardson, veterinarian and medical chief of staff at Small Door Veterinary
• Conrad Russo, blogger and owner of Pet Gear Lab
• Samantha Schwab, former resident pet expert at Chewy
• Keston Smith, veterinarian and medical director at Bond Vet
• Alison Waszmer, Dogtown director at Best Friends Animal Society

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The 10 Very Best Airplane-Friendly Pet Carriers