Travelling With Dogs and Cats: A Practical Planning Checklist

By Dr Duncan Houston

A pet-friendly ticket or hotel room is only one part of travelling with a dog or cat. You also need a journey your animal can cope with, suitable transport equipment, the right paperwork and a workable plan when something changes.

Start with the whole trip, including the return journey. Sorting out a missing document or an unsuitable carrier at check-in is much harder than finding the problem while your plans are still flexible.

Quick Answer

Before travelling with your dog or cat, check whether the trip suits them, confirm the rules for every destination and transport provider, and discuss their travel needs with your vet. Practise using the carrier or restraint beforehand, pack familiar essentials and plan secure rest stops. Requirements depend on the animal, route and airline, so there is no universal travel age, certificate deadline or carrier specification that works for every trip.

Should your pet come with you?

For a house move, travelling may be unavoidable. For a holiday, compare the experience you are planning with the care your pet could receive at home. A dog who enjoys short outings may still struggle with a long flight, crowded accommodation or days spent waiting alone while you visit places that do not allow animals.

Cats commonly find transport and unfamiliar surroundings difficult. A reliable home-care arrangement can be a better choice for a discretionary trip. Your cat enjoying a carrier at home does not automatically mean they will enjoy a travelling holiday.

Before booking, write down the parts of the day that involve your pet: the drive to the airport, waiting, transfers, hotel check-in, meals and time away from you. This often exposes a practical gap that a simple flight-and-hotel itinerary misses.

• Ready to plan: the journey is necessary or suits your pet, appropriate care is available throughout, and the transport rules can be met.
• Needs preparation: the carrier is unfamiliar, your pet has struggled on previous journeys, or a connection, accommodation rule or document requirement is unclear.
• Pause the booking: your vet has concerns about travel suitability, the animal is not accepted on a leg of the route, or you cannot provide secure care at the destination.

This is a planning checklist, not a medical fitness assessment. Ask your vet about your individual animal before committing to a demanding journey, particularly when their health or care needs make travel more complicated.

Check travel rules before paying for the trip

Separate government requirements from airline rules

A country can allow an animal to enter while an airline refuses to carry that animal on a particular flight. Equally, an airline reservation does not prove that the arrival paperwork is correct. Check both, along with any transit arrangements and the return route.

For travel from the United States, USDA APHIS provides destination-specific pet travel information. Its guidance explains that some international journeys require a USDA-accredited veterinarian and official endorsement of a health certificate. For travel between U.S. states or territories, requirements are set by the destination; do not assume that every crossing has the same certificate rule.

Outside the United States, use the relevant government animal import and export authorities. Tell your vet your exact route and dates so they can help establish the correct sequence for identification, any required vaccinations or testing, and documentation. Do not copy another owner's timetable or arrange procedures from a general online checklist.

Make one document checklist for each animal

Record the animal's identification details, document name, issuing authority, deadline, required format and who is responsible for completing it. Check that names and identification numbers agree across the documents. Keep required originals accessible, with backup copies stored separately.

Start when the trip is first being considered. APHIS notes that preparation can take weeks to months, and rules can change. Recheck the official instructions for the actual journey rather than relying on a previous successful trip.

Flying with a dog or cat: questions for the airline

Contact the airline before buying a carrier or assuming your pet can join your passenger booking. Ask for the requirements for the operating carrier on every flight, including connections.

• Is this species, breed, age and size accepted on the intended route?
• Can the pet travel in the cabin, or is another transport arrangement required?
• Is a pet place confirmed on the exact flight, and are there seasonal restrictions?
• What are the carrier's internal space, construction, ventilation and fastening requirements?
• Which documents are needed, and when must you check in and collect your pet?
• What happens if the flight is delayed, cancelled or changed to another aircraft?

Short-nosed breeds may face additional airline restrictions. Confirm the exact policy and discuss suitability with your vet rather than choosing a flight solely because a booking system appears to accept the animal.

Choose a straightforward route where possible. Keep the transport team's contact details and collection arrangements with your travel documents, especially if your animal travels separately from you.

Choose space for the animal, not just a carrier that fits

A dog or cat needs room to stand and sit naturally, turn around and lie in a normal position. For cabin travel, the carrier also needs to fit in the space the airline specifies. Those two requirements must both be satisfied; squeezing a flexible bag under a seat is not a solution if it compromises the animal's space or ventilation.

IATA publishes container standards but does not approve individual commercial carriers. Check the airline's specifications for the model you intend to use. Cabin and cargo arrangements differ, so a bag accepted in one setting is not automatically suitable in another.

Prepare the carrier before departure day

Leave the carrier accessible at home, with suitable familiar bedding and opportunities to investigate it voluntarily. Build familiarity in small steps rather than putting the animal inside for the first time when you are rushing out of the door.

For a cat, start with quiet exploration of the open carrier. For a dog using a travel crate, practise comfortable settling before expecting a lengthy journey. Once the equipment is familiar, short local journeys can help you assess how your pet manages the movement and surroundings.

If your pet becomes very distressed or has travel sickness, speak with your vet. Do not sedate them or choose medication yourself. Keep any prescribed travel plan specific to that animal and journey, and tell the airline about medication when required. Background music, familiar bedding or a calming product does not replace preparation or an individual veterinary plan.

Driving: secure the pet and plan the stops

Use an appropriate secured carrier, crate or vehicle restraint. A cat should remain in their carrier while the vehicle is moving. Keep pets away from the driver's controls and do not let a passenger's lap serve as the restraint.

For dogs, look beyond a product's reassuring name. Check independent crash-test information for the exact equipment and follow its fitting and installation instructions. The Center for Pet Safety publishes testing and certification information. A tested product still needs the correct size, installation and attachment points; no restraint can promise protection in every collision.

Practise loading before packing the car. Leave ventilation clear, secure luggage so it cannot shift into the animal's space, and keep the items needed during the journey within reach without unpacking everything.

Make each rest stop escape-resistant

Choose stopping places before you need them. Keep dogs on a lead and make the transition out of the car deliberately, with one person responsible for the animal. Have water, bowls and waste bags ready.

A cat's carrier should not be opened beside an open car door in a roadside car park. If your cat needs access to a litter tray during a stop, use a secure enclosed setting with doors and windows closed. Return them to the carrier and secure it before driving again.

Take regular breaks that fit your pet's needs and the journey. Never leave your pet alone in a parked car, including while you go inside for a meal. Decide in advance how the people travelling will manage their own stops without abandoning that rule.

Pack for the first night as well as the journey

• Identification: current contact information, microchip details and a recent photograph.
• Documents: required travel paperwork, the usual veterinary practice's details and a veterinary contact near your destination.
• Daily care: familiar food, water, bowls and any prescribed medication with its instructions.
• Transport: suitable restraint or carrier, a lead where appropriate, spare bedding and cleaning supplies.
• Toileting: waste bags for dogs; a litter tray, familiar litter and disposal supplies for cats.
• Settling: a familiar blanket or appropriate toy and a clear plan for quiet rest after arrival.

Check what you may take across the border, including pet food and medication. Keep essential care supplies accessible if checked luggage or the onward journey is delayed.

Confirm what “pet-friendly accommodation” means

Ask about the permitted species, number of animals, size restrictions, charges and rules on leaving a pet unattended. A room that allows a dog is not a promise of a secure exercise area or permission to leave them alone all day.

Before opening a cat's carrier, inspect the room and close doors and windows. Put their essentials in a quiet accessible area. For dogs, identify a practical toileting route and supervise exploration rather than assuming the property's fence or gate is secure.

Keep the first evening simple. Unpack the animal's essentials before starting your own activities, and make sure everyone sharing the room understands how to prevent an accidental escape.

Common travel-planning mistakes

• Booking the person before checking the pet: confirm the animal's place and route requirements first.
• Using one generic age or certificate deadline: check the exact authority and carrier requirements.
• Assuming cabin equipment works in cargo: verify the relevant construction and space rules.
• Rushing carrier practice: allow preparation before the day of travel and respond to difficulty rather than forcing progress.
• Forgetting the return journey: check re-entry documents and transport arrangements while planning the outward trip.

Frequently Asked Questions

Do pets always need a health certificate to travel?

Requirements vary with the destination and transport provider. Check the relevant government authority and carrier rather than assuming that a domestic or international trip follows one universal rule.

Can I buy an IATA-approved pet carrier?

IATA sets standards but does not approve individual commercial pet carriers. Confirm that your chosen carrier meets the airline's requirements and provides the necessary space for your animal.

Should I give my pet something to make them sleep?

Do not sedate your pet yourself. Discuss travel anxiety or sickness with your vet and follow the plan for your particular animal. Airline medication policies also need checking.

Is it better to take my cat on holiday or arrange a sitter?

Many cats cope better with familiar surroundings and reliable care at home. Consider the individual cat, the necessity of the journey and the practical care available throughout the holiday.

Your next step

Before making a booking, complete three checks: your pet can manage the proposed journey, every part of the route accepts them, and you can meet the exact preparation requirements. Then build the travel day around secure handling, familiar care and enough flexibility to cope with delays.

Sources and scope

Planning guidance draws on USDA APHIS pet travel information, IATA's passenger and container guidance, Cats Protection's travel advice, RSPCA holiday guidance and the Center for Pet Safety's equipment testing resources. This is a general planning guide for dogs and cats, not a route-specific entry checklist or a medical fitness certificate.

ASK A VET™ supports thoughtful preparation for life with animals. Keep your pet's regular vet involved in travel decisions and confirm transport and entry requirements with the organisations responsible for your journey.