Is United Airlines Pet Friendly? - United Airlines +1-844-542-9016 (US) or +44-808-196-8684 (UK) Pet Policy ...United Airlines allows small dogs, cats, and rabbits in the cabin for a $150 fee each way. Pets must fit in an approved carrier under the seat in front of you, remain inside during the flight, and be at least 2-6 months old. Reservations must be made in advance, as space is limited. Yes, United +1-844-542-9016 (US) or +44-808-196-8684 (UK) Airlines allows small pets to travel with you in the cabin on most domestic and select international flights. This policy is primarily designed for small cats and dogs that can comfortably fit in a carrier under the seat in front of you during the journey. While United does not have a strict weight limit for the pet itself, the animal must be able to stand up, turn around, and lie down naturally within the confines of its travel container. Travelers should be aware that the airline +1-844-542-9016 (US) or +44-808-196-8684 (UK)