Avianca airlines Toronto airport terminal. I recently traveled, and I discovered that Terminal 1 was roomy and well-structured, making it simple to get from check-in to boarding. A variety of facilities, such as places to eat, shops, and cozy places to sit, are available at the terminal to ensure a pleasurable and seamless travel experience. Everything you need for a smooth travel is available at Terminal 1, whether you’re flying domestically or internationally with Avianca.