We typically use Lufthansa, KLM, United, and British Airways for our pet flights, and going to Italy in particular, we often use Lufthansa.
Are dogs quarantined when entering Italy?
Italy Pet Passport & Import RegulationsThere will be no quarantine imposed on your pet as long as the following requirements are met. Unless otherwise stated, the regulations below apply to domestic dogs, cats and ferrets including service and emotional support dogs and cats.