Yes, you can fly with large dogs so long as they are properly crated and prepared to fly. Many airlines require your pet to be at least 8-weeks old before flying. Any younger and dogs are thought to be too fragile for long flights. Your pet must also be free of fleas, ticks, and or infectious diseases.
Where do dogs stay on international flights?
Pets are placed in “hold 5”, at the rear of the plane. It is part of the cargo area underneath the cabin, but it is separated and it is heated. It is kept at the same temperature and pressure as the cabin, since the captain is notified of animals on board, and will make sure of this.