How to Bring a Medium-Size Dog on a Plane: Guide

How to bring a medium-size dog on a plane?

Quick answer

Bringing a medium-size dog on a plane takes preparation and the right gear. First, confirm your airline’s pet policy, including size/weight limits for in-cabin versus cargo. If your dog can comfortably fit in an airline-approved soft-sided carrier that goes under the seat, they may fly in-cabin; otherwise, many airlines require medium dogs to travel in the climate-controlled cargo hold. Book early, get your vet’s go-ahead, and acclimate your dog to the carrier well before travel.

Before you book

• Research airline rules: Maximum pet weight, carrier dimensions, fees, breed restrictions, and seasonal embargoes can vary.
• Choose the right carrier: Look for soft-sided, ventilated, and secure carriers for in-cabin flights. Your dog must be able to stand up, turn around, and lie down comfortably.
• Measure carefully: Compare your dog’s length/height and the carrier’s dimensions to the airline’s under-seat allowance.
• Call to reserve: Many airlines limit the number of pets per flight—reserve your dog’s spot when you book your ticket.

Health and safety checklist

• Vet visit: Confirm fitness to fly, update vaccinations, and obtain required documents (health certificate if needed).
• Identification: Microchip and ID tags with your phone number and destination address.
• Comfort training: Introduce the carrier weeks in advance; make it cozy with a familiar blanket.
• Avoid sedation unless your vet specifically recommends it for your pet.

Day-of travel tips

• Feeding: Offer a light meal 4–6 hours before departure; keep water available in small amounts to prevent nausea.
• Exercise: A good walk helps your dog relax for the flight.
• Security screening: You’ll carry your dog while the empty carrier goes through the X-ray; bring a leash and be ready.
• At the gate: Ask about pre-boarding to get settled calmly.
• In flight: Keep the carrier secured under the seat; reassure your dog with a calm voice and a soft chew or toy.

Cargo hold considerations for medium dogs

If your dog is too large for in-cabin, use an airline-approved hard crate with secure fasteners, ventilation on all sides, absorbent bedding, and water cup. Label the crate with your contact info and “Live Animal.” Choose nonstop flights and avoid extreme temperatures.

For a comfortable in-cabin option, explore our cozy, durable carriers designed for travel. Read the full guide here: Tote’n’Go Canvas Dog Carrier Guide.

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