Find out all the pertinent information regarding British Airways OSL Terminal Find out about British Airways' check-in processes, lounges, services, and amenities. Learn how to make your travel easier and more pleasurable, whether you're traveling or arriving. Keep up to date on customer service, luggage regulations, and terminal maps. Get the inside scoop on everything British Airways has to offer at OSL Terminal, along with current information to make your trip even more enjoyable. This is the first place to start your detailed guide to easy British Airways travel at Oslo Airport.