Flying CM Airlines and wondering whether your dog rides beside you? Good news: cabin travel is accepted, so small pups can stay at your feet instead of in the hold. Cooper is too big for that luxury, but plenty of readers write in asking about it. Here's what I wish someone had told me before my first booking — the details matter, and getting them right early saves a mountain of last-minute stress.

CM Airlines's pet policy splits into cabin and cargo. This page summarizes the weight limits, fees, brachycephalic-breed restrictions, and carrier specifications for both modes — sourced from the airline's official pet pages.

How CM Airlines handles your pet

Each fact comes straight from the operator’s published policy. Hover the to read the exact wording; the opens the source page.

In the cabin Accepted
In the hold / cargo Accepted

Cabin policy

Pets accepted Accepted“Pets in the Cabin Small dogs over 8 weeks old can travel in the cabin on domestic flights only with CM Airlines if the combined weight of the pet and carrier does not exceed 17 lbs (8 kg).”
One-way fee25 USD“17.5 pounds or less $25.00 $25.00”
Minimum age8 weeks“ The minimum age of puppies must be 8 weeks”
Advance booking required Yes“Passengers must contact a CM Airlines reservations agent to reserve space for a pet.”
Booking methodcontact a CM Airlines reservations agent“Passengers must contact a CM Airlines reservations agent to reserve space for a pet.”
Max per flight2“Transportation will be denied if it requires special assistance of any kind.  Only two dogs are accepted per flight.  Either the passeng er or the travel agent must contact a CM Airlines agent and advise that the…”
International allowed Yes“its own cage or bag. An adult passenger traveling with two dogs must pay one seat (full fare) to transport both pets in the passenger’s cabin (if a seat is not paid, one of the dogs must be carried as freight p rovided…”
Unaccompanied minor allowed No“An unaccompanied minor is not allowed to travel with pets.”
Carrier size36 × 9 cm“The maximum measurements permitted for any cage are: 36 cms (14 inches) wide and 9 cms (3.5 inches) high. In any case dogs must weigh less than 8k/22lbs.”
Crate must have/bea carrier“The maximum measurements permitted for any cage are: 36 cms (14 inches) wide and 9 cms (3.5 inches) high. In any case dogs must weigh less than 8k/22lbs.”

Hold & cargo policy

Hold: Minimum age8 weeks“ The minimum age of puppies must be 8 weeks”
Hold: Advance booking notice48 hours“e animals: Notify us of your intention to travel with a service animal at least 48 hours before the flight to coordinate the necessary details.”
Hold: Advance booking required Yes“Al momento de comprar el boleto el pasajero o agente de viajes debe comunicarse con un agente de reservaciones de CM AIRLINES para reservar el espacio de la mascota.”
Hold: Crate must have/bea carrier“El animal debe ser inofensivo, estar tranquilo y sin mal olor, debe viajar en un bolso o jaula cómoda con espacio para moverse... Todo perro que pesa más de 8 kilogramos con todo y jaula deberá ser transportado en el…”
Cargo: Pets accepted Accepted“CM Airlines does no t accept dogs as cargo; the pet must be accompanied by an adult.”
Cargo: Minimum age8 weeks“ The minimum age of puppies must be 8 weeks”
Cargo: Advance booking notice48 hours“e animals: Notify us of your intention to travel with a service animal at least 48 hours before the flight to coordinate the necessary details.”

Health & documents

Downloadable forms{'url': 'https://www.cmairlines.com/files/politicas-servicios-especiales.pdf', 'label': 'politicas-servicios-especiales.pdf', 'form_type': 'other_form'}“Airline-owned PDF auto-paired by pair_airline_pdfs_to_downloadable_forms — classified as other_form from URL keywords.”
Health certificate required Yes“ A valid Health certificate issued by a veterinary doctor in which it states the animals”
Carrier fit certificate required Yes“its own cage or bag. An adult passenger traveling with two dogs must pay one seat (full fare) to transport both pets in the passenger’s cabin (if a seat is not paid, one of the dogs must be carried as freight p rovided…”

Other rules

Minimum age8 weeks“ The minimum age of puppies must be 8 weeks  A passenger is allowed to travel w Transportation of animals is not permitted in any international flight.”

Service & assistance animals

Advance notice hours48 hours“Travel with service animals: Notify us of your intention to travel with a service animal at least 48 hours before the flight to coordinate the necessary details.”
CM Airlines requires notice at least 48 hours before the flight to coordinate the necessary details for traveling with an animal. Call the airline no later than two days out. Confirm the reservation includes the dog on the booking record. Waiting until the airport risks refusal, since the 48-hour window closes the day before departure and cannot be reopened at check-in.

Frequently asked

How much does it cost to fly a pet on CM Airlines?
On flights within Metropolitan France, CM Airlines charges from 25 USD in the cabin, one way per pet. Longer routes cost more — price your exact itinerary.
What if my flight is delayed past my health certificate validity?
If the certificate window expires before you board, you'll need a re-issue. Build a 1-2 day buffer between the cert date and departure to absorb minor delays.
What happens if I forget a document?
At the destination airport: at best, an extended inspection while you produce backup; at worst, the pet is held in quarantine or returned to origin at your cost. Bring printed copies.
The cabin fee on CM Airlines is 25 USD one way for a dog weighing 17.5 pounds or less. Budget 25 USD for each direction of a round trip, totaling 50 USD. Weigh the dog in its carrier beforehand to confirm it stays at or under the 17.5-pound threshold that qualifies for this rate.
So that's CM Airlines in a nutshell — cabin space for the little ones and a modest fee that won't wreck your budget. The hardest part isn't the airline; it's stitching every requirement into one clear timeline. That's exactly where Pawgo's plan-builder shines. Pop in your route and your dog's details, and it hands you a personalized plan with every step laid out. Cooper's trips got so much calmer once I stopped guessing. Give it a try before you book.
Get YOUR personalized plan for CM Airlines →

Glossary

ISO chip
ISO 11784/11785 — the universal microchip standard.
FAVN
Fluorescent Antibody Virus Neutralization — a rabies serology test required by rabies-free destinations.
Brachycephalic
Snub-nosed breeds (French Bulldogs, Pugs, Persians, Himalayans) with restricted airline acceptance due to heat-stress risk.
AVIH
Animal Vehicle In Hold — IATA's term for cargo pet shipment, with fees that vary by carrier and route.