KLM Dog Policy – Flying With Your Dog
KLM has very specific rules that even seasoned pet travelers need to respect. The carrier has to meet exact dimensions, the dog’s weight has to be verified, and some flights allow pets in-cabin while others send them to cargo
My first time I had to spend hours on the phone with KLM, measuring and double-checking the carrier, and making sure all paperwork was in order.
In the end, preparation made the flight much smoother, and my dog even seemed more relaxed than I was.
Traveling with dogs isn’t just about packing a bag. There are many small details that can make or break the experience.
Knowing the rules about carriers, weight limits, booking, service dogs, and documentation makes the whole process more predictable.
KLM dog policy may seem strict at first, but it’s designed to keep pets safe and comfortable while allowing owners to travel with peace of mind.

Table of Contents
KLM Airlines Dog Policy Explained
Flying with pets on KLM comes with specific requirements to ensure safety and comfort. Dogs may travel in-cabin or in cargo depending on size, weight, and route.
Service dogs have exemptions from some rules, but emotional support animals are treated like regular pets. Advance booking, proper carriers, and correct documentation are crucial.
Transport Options
| Option | Available | Key Details |
|---|---|---|
| In‑Cabin | Yes | Small dogs allowed in cabin in carrier; must fit under the seat and meet weight/size limits. |
| Checked Baggage (Hold) | Yes | Larger dogs & cats can travel in the hold as checked baggage with IATA‑approved crate (space/aircraft dependent). |
| Cargo | Yes | Pets that exceed hold rules (weight/destination/aircraft restrictions) may need KLM Cargo or a specialized shipper. |
Carrier Requirements
| Category | Requirements |
|---|---|
| In‑Cabin | Travel bag/kennel must be closed, ventilated, and fit under the seat in front. Max 46 x 28 x 24 cm (18 x 11 x 9 in); pet + carrier ≤ 8 kg / 17.6 lb. Your pet must remain inside carrier throughout flight. |
| Checked Baggage / Cargo | IATA‑approved rigid kennel required for pets in hold — must allow stand, turn, lie down comfortably. Up to 3 pets in the same kennel if each < 14 kg and same size/conditions apply (or 3 littermates ≤ 6 mo). |
Fees (One‑Way)
| Service | Cost | Notes |
|---|---|---|
| In‑Cabin Pet | €70 – €500* | Varies by route & destination; book early. |
| Checked Baggage Pet | €70 – €500* | Depends on route & aircraft; hold arrangements required. |
| Cargo Pets | Varies | Charged through KLM Cargo based on size, weight & route. |
| Service/Assistance Dogs | Free | Certified service dogs permitted cabin free (notify in advance). |
Example range; exact fee shown at booking based on destination.
Booking Process
| Requirement | Details |
|---|---|
| Mandatory | Reserve a pet spot within 48 h of departure (as soon as you book flight). |
| Advance notice | Limited pet spaces per aircraft — early reservation highly recommended. |
| Flight limits | Cabin availability depends on aircraft type, destination & class. |
Critical Restrictions
| Restriction Type | Details |
|---|---|
| Cabin Restrictions | Pets not allowed in Premium/Business Class on intercontinental flights (no under‑seat space). |
| Breed Restrictions | Brachycephalic (short‑nosed) breeds often restricted or refused in hold (e.g., Bulldogs, Pugs). |
| Age Minimum | Pets must be at least 15 weeks old. |
| Aircraft/Route Limits | Hold pets unavailable on certain aircraft (e.g., 787‑9/787‑10, A321neo) or long transfers. |
| Transfer Embargo | Pets cannot travel in hold if transfer > 3 h (exceptions may apply via Paris). |
| UK Hold/Baggage | Pets cannot be transported in cabin or hold as passenger baggage on flights to the UK. |
Document Requirements
| Document | Required? |
|---|---|
| Health Certificate | Often required for international/entry rules |
| Rabies Vaccination | Required for many destinations |
| Import Permits | Required per country |
| Pet Travel Checklist | KLM requires a completed check form at check‑in for hold pets. |
Owner must comply with country entry/import requirements; check local rules before travel.
Service Dogs vs. Pets
| Category | Service Dogs | Emotional Support Animals | Pets |
|---|---|---|---|
| Fee | Free | Often treated as pets | Paid |
| Cabin | Yes | May require documentation | Yes (cabin limits) |
| Booking | Notify KLM | Treat as pet travel | Reserve pet spot |
| Acceptance | Subject to special rules | Varies by documentation | Standard pet policy |
Service/assistance dogs usually travel free in cabin when approved in advance.
Pre‑Flight Checklist
| Task |
|---|
| Called KLM to reserve pet space within 48 h of ticket purchase. |
| Checked carrier dimensions & combined weight meets KLM limits. |
| Prepared IATA‑approved kennel for hold travel. |
| Obtained health certificate & vaccinations per destination. |
| Arrived early for check‑in with pet documents & checklist. |
International Travel
| Region | Notes |
|---|---|
| Europe | In‑cabin pets accepted based on space; hold available for larger pets. |
| Intercontinental | Cabin limited by seat type; hold/cargo most common. |
| UK | Pets cannot travel as passenger baggage to UK (cabin/hold). |
| Other Intl | Pet import requirements vary widely — include health certificate, rabies, etc. |
Key Contacts
| Service | Contact |
|---|---|
| Pet Reservations | KLM Customer Contact Centre |
| Cargo Pets | KLM Cargo |
| Policy Info | klm.com – Travelling with Pets section |
KLM Unique Features
| Feature |
|---|
| Pets under 8 kg (including carrier) can travel in cabin but only in certain classes. |
| No pets in cabin/hold to the UK as passenger baggage. |
| Up to 3 pets per kennel in hold if weight/size conditions met. |
| Breed restrictions apply — especially short‑nosed breeds. |
| Advance booking is critical due to limited pet spaces. |
Cabin Dog Reality
KLM allows only small dogs to fly in the cabin. This means your dog can sit near you under the seat, but must remain inside an approved carrier throughout the flight.
Weight and carrier size limits are strictly enforced, and flights have a maximum number of pets allowed in-cabin. Planning ahead is essential because exceeding these limits can result in denied boarding.
Understanding cabin dog reality helps ensure a calm, safe experience for both you and your dog.
| Flight Route | Max Pets Allowed | Carrier Dimensions (cm) | Max Weight |
| Amsterdam → London | 2 | 46x28x24 | 8 kg |
| Amsterdam → Paris | 2 | 46x28x24 | 8 kg |
| Amsterdam → Berlin | 2 | 46x28x24 | 8 kg |
| London → Amsterdam | 2 | 46x28x24 | 8 kg |
Kennel & Carrier Rules
All in-cabin dogs must travel in approved carriers. These carriers should be soft-sided, well-ventilated, and allow the dog to stand, turn, and lie down comfortably. Hard-sided carriers may be accepted if they meet specific KLM standards.
Oversized or poorly ventilated carriers may be rejected at check-in. Measuring at home and testing the carrier before travel ensures compliance and reduces stress for the dog.
| Carrier Type | Max Dog Weight | Dimensions (cm) | Notes |
| Soft-sided | 8 kg | 46x28x24 | Compliant |
| Soft-sided | 7 kg | 43x26x22 | Compliant |
| Hard-sided | 8 kg | 46x28x24 | Must meet airline rules |
| Soft-sided | 6 kg | 40x25x22 | For very small dogs |
Hold & Cargo Options
Dogs that exceed cabin limits must travel in KLM cargo. KLM’s cargo area is climate-controlled and monitored, but not all breeds can travel safely in cargo. Certain small planes or short routes may not allow cargo pets.
Planning ahead and understanding hold and cargo options ensures your dog’s safety, especially on international flights.
| Travel Type | Max Weight | Restrictions | Notes |
| In-Cabin | 8 kg | Carrier required | Max 2 pets per flight |
| Cargo | 75 kg | Breed restrictions | Must be booked in advance |
| Hold | 75 kg | Crate required | Only for approved pets |
| Not allowed | – | N/A | Overweight/oversized pets |
Breed & Heat Limits
Some breeds, particularly brachycephalic dogs like Bulldogs and Pugs, are more prone to heat stress and breathing problems. KLM issues breed-specific and weather alerts to prevent risk.
Even if the dog meets size and weight limits, extreme temperatures can prevent travel. Being aware of breed and heat limits ensures safe travel planning.
| Breed | Max Weight | Heat Sensitivity | Notes |
| Bulldog | 12 kg | High | Only allowed in safe temperatures |
| Pug | 10 kg | High | Monitor for heat |
| Chihuahua | 4 kg | Medium | In-cabin allowed |
| Shih Tzu | 5 kg | Medium | In-cabin allowed |
Booking Pet Space Early
KLM requires pet space to be reserved in advance. Flights have a limited number of spots for in-cabin dogs, and last-minute attempts often fail. Accurate breed, weight, and carrier information must be provided when booking.
Early reservations ensure your dog has a confirmed spot and reduces last-minute stress at the airport.
| Flight Route | Breed | Reservation Status | Max Pets Allowed |
| Amsterdam → London | Chihuahua | Confirmed | 2 |
| Amsterdam → Paris | Pomeranian | Confirmed | 2 |
| Amsterdam → Berlin | Maltese | Confirmed | 2 |
| London → Amsterdam | Shih Tzu | Confirmed | 2 |
Service Dog Exceptions
Service dogs are exempt from some weight and carrier restrictions, provided proper documentation is presented.
Emotional support dogs are treated as regular pets. Service dogs must remain calm and well-behaved during the flight.
Ensuring paperwork is correct and accessible helps smooth the check-in process.
| Breed | Service Type | Max Weight | Documentation Required |
| Labrador | Guide Dog | 28 kg | Certification |
| Golden Retriever | Mobility Assistance | 30 kg | Certification |
| Poodle | Hearing Dog | 25 kg | Certification |
| German Shepherd | PTSD Support | 32 kg | Certification |
International Entry Paperwork
International flights may require additional paperwork beyond health certificates and vaccination records. Import permits, microchip records, and airline forms must be checked.
KLM ensures that all documents are current, signed, and valid for the destination country. Being prepared avoids denied boarding and keeps the travel process smooth.
| Document Type | Required For | Issuing Authority | Validity |
| Health Certificate | All dogs | Licensed Vet | 10 days |
| Vaccination Record | All dogs | Licensed Vet | Per vaccine |
| Microchip Info | All dogs | Microchip provider | Lifetime |
| Import Permit | International flights | Authorities | Valid for travel |
Documentation Essentials
At check-in, KLM reviews health certificates, vaccination records, service dog documentation, and carrier details. Multiple copies are recommended to prevent delays.
Ensuring everything is organized and accessible makes boarding seamless.
| Document Type | Checked For | Notes | Required Copies |
| Health Certificate | Current & signed | Vet verification | 2 |
| Vaccination Records | Rabies & core vaccines | Must match certificate | 2 |
| Service Dog Certification | If applicable | Valid certification | 2 |
| Carrier Details | Dimensions & compliance | Checked at gate | 1 |
Airport Check‑In Realities
Check-in can include surprises. KLM staff measure carriers, weigh pets, and review documents. Arriving early is essential, especially on international flights, to ensure compliance.
Having all paperwork organized and carriers prepared reduces stress for both owner and dog.
| Check-In Item | Requirement | Potential Issue | Notes |
| Carrier Size | Must fit under seat | Oversized | Measure at home |
| Weight | Max 8 kg | Overweight | Weigh dog and carrier |
| Documentation | All required | Missing/outdated | Keep copies |
| Reservation | Confirmed | Unbooked | Call KLM if needed |
Denied Boarding Triggers
Dogs may be denied boarding due to oversized carriers, overweight, missing documents, exceeding cabin pet limit, or unreserved pet space.
Knowing these triggers helps avoid last-minute stress and ensures the dog’s safety.
| Trigger | Description | Notes | Resolution |
| Oversized Carrier | Exceeds allowed dimensions | Measure at home | Use correct carrier |
| Weight Exceeded | Dog + carrier >8 kg | Weigh at home | Use floor seat/cargo |
| Missing Docs | Health certificate missing | Keep multiple copies | Reissue or carry backups |
| Reservation Missing | Pet not booked in advance | Cabin quota exceeded | Contact KLM |
FAQs
Why do some KLM flights allow dogs in cabin but others send them to cargo?
Aircraft type, cabin space, and route regulations determine whether pets can travel in-cabin or must go in cargo.
How strict is KLM about carrier measurements at the check‑in counter?
Very strict. Even minor deviations can result in denied boarding. Always measure at home.
What happens if my dog’s carrier just barely fits under the seat?
Technically allowed if it fits and the dog is comfortable, but staff may double-check.
Why are some breeds, like bulldogs or pugs, treated differently on KLM flights?
Brachycephalic breeds are more sensitive to heat and breathing issues, and may have restrictions depending on route and cargo conditions.
Can I fly two small dogs in the same carrier with KLM?
No. Each dog must have its own approved carrier to comply with KLM rules.
How do weather limits affect dog travel on certain international routes?
Extreme heat or cold may prevent certain breeds from flying to ensure their safety.
Does KLM accept service dogs under different rules than regular pets?
Yes. Service dogs are exempt from some weight and carrier restrictions, but proper documentation is required.
What documentation does KLM actually review at departure?
Health certificate, vaccination records, carrier compliance, service dog papers if applicable, and reservation confirmation.
How early should I arrive with a dog at the airport for check‑in?
Arrive at least 60–90 minutes before departure to allow carrier and document checks.
Why was my dog’s boarding denied even though they had prior approval?
Common causes include oversized carriers, overweight pets, missing documents, or exceeding cabin pet limits.
