Top Airline Approved Dog Carriers 2026

Most airlines require that pet carriers fit under the seat in front of you, with typical dimensions around 18" x 11" x 11". However, size restrictions vary by airline and aircraft type. Soft-sided carriers often have more flexibility as they can compress slightly to fit under seats. Always check with your specific airline for their current size requirements before purchasing a carrier or booking your flight.

Most airlines allow small dogs to travel in the cabin provided they remain in an approved carrier under the seat for the entire flight. There are typically restrictions on the number of pets allowed in cabin per flight, so advance reservations are essential. Dogs must typically be at least 8 weeks old and weaned. Some breeds, particularly short-nosed breeds, may have additional restrictions due to health concerns.

Most major US airlines charge between $95-$150 each way for in-cabin pets. International flights may have higher fees. Service animals typically fly for free with proper documentation. These fees are in addition to your ticket price and must usually be paid at the airport or when making your pet reservation. Some airlines may limit the number of pets in cabin, so it's important to book early.

For domestic flights within the US, you typically need a health certificate from your veterinarian issued within 10 days of travel. International travel requires more documentation, which may include additional health certificates, proof of vaccinations, and import permits depending on the destination country. Always check specific requirements with your airline and destination country well in advance of your travel date.

No, airlines require that pets remain in their carriers under the seat for the entire flight, with the carrier zipped closed. The only exception is during TSA security screening, when you may be asked to remove your pet from the carrier while it goes through the X-ray machine. Service animals have different regulations and are typically not required to remain in carriers during flight.

As of 2021, most US airlines no longer recognize emotional support animals as service animals. These pets now typically must travel as regular pets, subject to standard pet fees and policies. Service dogs that are specifically trained to perform tasks for individuals with disabilities are still accommodated under the Air Carrier Access Act, but documentation requirements have increased.

If your dog carrier doesn't fit under the seat, the airline may not allow you to board with your pet. In some cases, if space is available, flight attendants may allow you to place the carrier in an overhead bin (with adequate ventilation) or in a closet, but this is not guaranteed. If your pet cannot travel in cabin, you may need to transport them as cargo or make alternative travel arrangements, which can be stressful and expensive.

It's generally recommended to withhold food for 4-6 hours before air travel to reduce the risk of motion sickness. Small amounts of water can be offered up until the flight. For longer journeys, consult your veterinarian about appropriate feeding schedules. Never sedate your dog for air travel without explicit guidance from your veterinarian, as altitude can affect how medications work.