How to Bring a Dog on a Plane: Rules, Fees, and Documents in 2026

To bring a dog on a plane, you generally need a carrier that fits under the seat (for small dogs flying in-cabin), proof of a current rabies vaccination, and — for international trips — a USDA-accredited veterinarian's health certificate. Most U.S. airlines charge a per-direction pet fee (commonly $150 domestically), require pets to stay in the carrier for the whole flight, and treat trained service dogs differently from pets and emotional support animals. Rules vary by airline, destination, and whether the flight is domestic or international, so always confirm directly with your carrier before booking.

In-Cabin Pet, Checked Cargo, or Service Animal? Know Which Category Applies

Airlines sort dogs into three very different categories, each with its own rules, paperwork, and cost. Mixing these up is the most common reason travelers get turned away at the gate.

Emotional support animals are not a separate free category on U.S. flights. Under the U.S. Department of Transportation's (DOT) final service animal rule, airlines are permitted to treat emotional support animals as ordinary pets, subject to standard pet fees and carrier rules, according to the DOT.

How to Bring a Dog on a Plane: A 7-Step Checklist

1. Confirm your airline's pet policy before booking. Cabin space for pets is limited and capped per flight, so book early and call to reserve a pet spot.
2. Buy an airline-compliant carrier. Most U.S. carriers want a soft-sided carrier around 18" x 11" x 11" that fits fully under the seat with no part of the dog protruding.
3. Check age and health requirements. The International Air Transport Association's (IATA) Live Animals Regulations set a global baseline: dogs must be at least eight weeks old and fully weaned before flying, and airlines may set stricter minimums for international routes.
4. Get vaccination and health documentation. Domestic flights usually just require proof of a current rabies vaccination; some states and Hawaii have stricter entry rules, so verify with your destination.
5. For international trips, see a USDA-accredited veterinarian. They issue the country-specific health certificate your destination requires — APHIS Form 7001 alone is not a universal pet passport, per USDA APHIS.
6. Pack for the checkpoint. Bring a leash, a copy of vaccination records, and avoid sedatives — IATA and veterinary authorities advise against sedating pets before flying because it can affect breathing and balance at altitude.
7. Arrive early and check in your pet at the counter if your airline requires in-person pet check-in, then head to the TSA checkpoint.

TSA Airport Security With a Dog: What Actually Happens

The Transportation Security Administration (TSA) screens pets and their carriers separately at the checkpoint. According to TSA guidance, travelers should remove the dog from its carrier just before screening begins, then send the empty carrier through the X-ray machine while carrying or walking the dog on a leash through the walk-through metal detector. TSA is explicit that a pet should never be placed in the X-ray tunnel. If a dog cannot be safely held or walked through screening, TSA may conduct a secondary visual and physical inspection instead, and travelers with anxious or high-spirited pets can ask for a private screening room.

Note that TSA does not certify, approve, or recommend specific carrier brands — carrier approval is the airline's responsibility, not TSA's.

Airline Carrier Rules and Fees: What to Expect

Exact fees and pet limits differ by airline and change over time, so treat the figures below as a snapshot rather than a guarantee. As of August 2026, Delta Air Lines charges $150 USD/CAD per direction for an in-cabin pet on domestic flights within the contiguous U.S. (and $200 for most international routes), a rate effective since April 8, 2025, according to Delta's official pet travel page. Delta's soft-sided carrier must be ventilated on three sides (four for international flights) and fit within roughly 18" x 11" x 11", and the airline caps how many pets are allowed per cabin — for example, two in domestic First Class versus more in Main Cabin.

Other major U.S. carriers publish similar in-cabin frameworks — a soft-sided under-seat carrier, a per-direction fee, and a cap on pets per flight — but exact dollar amounts, breed restrictions, and cargo availability vary and change frequently. Always verify current fees, carrier dimensions, and blackout routes directly on your airline's official website before you book, since third-party estimates can be outdated.

Domestic vs. International: What USDA APHIS Actually Requires

The United States Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) draws a clear line between traveling with a dog inside the U.S. and taking one abroad.

Domestic (interstate) travel

USDA APHIS does not endorse or require a federal certificate for moving a pet between U.S. states — each state's animal health officials set their own entry rules, and airlines typically only ask for proof of current rabies vaccination. Requirements can still tighten for specific states; Hawaii, for instance, enforces stricter entry and quarantine rules than the mainland to protect its rabies-free status.

International travel

For international departures, APHIS recommends contacting a USDA-accredited veterinarian as soon as you plan the trip. They will confirm your destination country's specific import rules, complete any required tests or vaccinations within that country's timeframe, and issue the correct country-specific health certificate. Endorsement is handled through APHIS's electronic certificate system, and — importantly — APHIS Form 7001 by itself is not a universal pet passport; the exact form required depends on the destination, per USDA APHIS.

Dogs re-entering the United States also fall under separate Centers for Disease Control and Prevention (CDC) requirements, including a CDC Dog Import Form, which is a distinct process from the outbound APHIS certificate.

Documents to Bring to the Airport

• Proof of current rabies vaccination (nearly all airlines and many states require this)
• Airline booking confirmation showing your reserved pet spot
• For international trips: the country-specific USDA APHIS-endorsed health certificate
• For service dogs: the DOT Service Animal Air Transportation Form, if your airline requires it
• A recent photo and microchip number, in case your dog is separated from you at a busy airport

Digital Pet ID vs. Official Travel Documents — Don't Confuse Them

A growing number of pet owners also carry a digital identity record for their dog, separate from government travel paperwork. Animal Passport is a digital animal identity tool that uses muzzle biometrics — a nose print, which is unique like a fingerprint — captured from a phone photo to bind an owner, breed, estimated age, body condition score, and vaccination history to one record. The age estimate comes from a dental photograph with a confidence score, and body condition is scored 1–5 from a side-profile photo. In August 2025, this biometric approach was used in livestock flood-rescue efforts in Pakistan, helping farmers reclaim animals after floodwaters washed away paper ear tags.

This is useful for identity and welfare records, but it is not a substitute for the official documents covered above. Animal Passport's biometric ID does not replace a USDA APHIS-endorsed export health certificate, a CDC Dog Import Form, an EU pet passport issued under the EU PETS scheme, or any airline's own approval process — it does not claim to be a government-issued travel document. If your trip requires an official pet passport or export certificate, that paperwork must still come from an accredited veterinarian and the relevant government agency. You can read more about how the EU's official pet passport scheme works, and how it differs from a biometric identity record, on the Animal Passport blog, and learn more about the biometric ID product itself at animalpassport.co.

Frequently Asked Questions

Can I bring my dog on a plane in the cabin with me?

Yes, if your dog is small enough to fit in an airline-approved carrier that stows fully under the seat in front of you; most U.S. airlines charge a per-direction fee for this and cap the number of pets allowed per flight.

How much does it cost to fly with a dog?

Costs vary by airline, but Delta's in-cabin pet fee is $150 per direction on domestic U.S. flights and $200 on most international routes, effective since April 8, 2025, according to Delta's official pet travel page; other carriers publish their own, separate fee schedules.

Do I need a health certificate to fly with my dog domestically?

Usually not — USDA APHIS does not require or endorse a federal certificate for interstate pet travel, though some states (Hawaii especially) and some airlines require proof of current rabies vaccination.

What documents do I need to fly internationally with a dog?

You typically need a country-specific health certificate issued by a USDA-accredited veterinarian and endorsed by USDA APHIS; APHIS Form 7001 alone is not a universal pet passport, and dogs returning to the U.S. also need to meet separate CDC requirements.

Does TSA make you take your dog out of the carrier at security?

Yes — TSA guidance says to remove your dog from the carrier before screening, send the empty carrier through the X-ray machine, and carry or walk your dog through the metal detector; your dog is never sent through the X-ray tunnel.

Can service dogs fly for free?

Yes. Under DOT's service animal rule, a dog individually trained to perform a task for a person with a disability can fly in the cabin at no charge; emotional support animals do not qualify and are treated as regular pets subject to standard fees.

What's the difference between a pet passport and Animal Passport's biometric ID?

An official pet passport (such as the EU's PETS scheme document) is a government-recognized travel record issued through licensed veterinarians; Animal Passport's biometric ID is a separate, phone-based muzzle-biometric identity and welfare record that is not a government travel document and does not replace official export or import paperwork.

Is it safe to sedate my dog for a flight?

Airlines and IATA generally discourage sedating pets before air travel, since sedation can affect breathing and balance changes at altitude; talk to your veterinarian about non-sedative options for anxious flyers.