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Traveling with your pet by air doesn't have to be stressful. Pets can fly in one of three ways — in the cabin with you, as checked baggage in the hold, or as manifest cargo for larger or unaccompanied animals. Understanding your options is the first step to a smooth, safe journey.
Before you book, there are three things every pet owner must get right: airline compliance, health documentation, and crate preparation. Miss any one of them and your pet may not be allowed to fly.
Every airline sets its own pet policies — accepted breeds, carrier dimensions, cabin vs. cargo eligibility, and fees. Know your carrier's rules before booking.
Most airlines and all international destinations require a USDA-accredited health certificate issued within a specific window — often 10 days before departure. Timing matters.
Introduce your pet to their travel crate weeks before departure. A crate-comfortable pet is a calmer, safer traveler — especially on long or connecting flights.
The right method depends on your pet's size, breed, destination, and the airline you choose. Here's what each option involves.
For small pets — typically under 20 lbs combined with their carrier — in-cabin travel keeps your companion right at your feet during the flight. Most airlines limit one pet per passenger.
Medium-sized pets that don't meet cabin size limits may fly as checked baggage on the same flight as their owner — in the pressurized, temperature-controlled hold below the passenger cabin.
Large breeds, unaccompanied pets, or pets on routes where cabin/baggage options aren't available travel via manifest cargo — booked through the airline's cargo division, not a passenger ticket.
Not sure which option is right for your pet? We'll walk you through it.
Book a ConsultationOur consultations are designed to take the guesswork out of flying with pets — covering airline selection, documentation, crate standards, and destination-specific import rules.
We help you compare pet-friendly airlines for your route, confirm eligibility for cabin or baggage travel, and identify restrictions specific to your pet's breed and size.
We'll specify the exact crate dimensions and IATA compliance requirements for your airline and pet, so you don't arrive at the airport with the wrong equipment.
We map out the exact vet visits, certificate windows, and USDA endorsement steps needed — including import permits or titer tests for international destinations.
Need more than advice? Our sister company Across The Pond Pets handles end-to-end pet transportation worldwide.
Common questions about flying with pets.
No. In-cabin travel is generally limited to cats and small dogs whose combined weight with their carrier is under the airline's limit — typically 15–20 lbs. Larger dogs, most exotic animals, and certain brachycephalic (flat-faced) breeds may be restricted from the cabin entirely depending on the airline and route.
Yes — many major airlines have banned certain brachycephalic breeds from cargo and some from cabin travel due to breathing risk in pressurized environments. Commonly restricted breeds include English Bulldogs, French Bulldogs, Pugs, Persian cats, and others with shortened snouts. Restrictions vary by airline, so always confirm before booking.
Most airlines require a health certificate for pets traveling as checked baggage, and some require one for cabin pets on domestic flights as well. The certificate must typically be issued by a licensed vet within 10 days of travel. Requirements vary by airline, so check your carrier's specific policy.
Your pet must be able to stand, turn around, and lie down naturally in their crate. IATA regulations specify minimum dimensions based on your pet's measurements — length of pet from nose to base of tail, height from floor to top of head or ears (whichever is higher), and width across the shoulders. We can calculate the correct crate size during your consultation.
For international travel, start the process at least 8–12 weeks out. Some destinations require import permits that take weeks to process, and USDA endorsement of the health certificate can take 1–3 weeks. For domestic flights, 3–4 weeks is typically sufficient — but cabin pet spots on popular routes fill quickly, so book early.
Pet policies change frequently, but airlines that have historically offered strong cabin and cargo pet programs include Alaska Airlines, American Airlines, and United Airlines. For international cargo, dedicated pet transport airlines like Pet Airways or specialized cargo programs (Lufthansa Animal Lounge, for example) often provide superior conditions. We can recommend the best option for your specific route and pet during a consultation.
As proud members of IPATA, we follow the highest industry standards for pet transport.