Learn all there is to know about Denver International Airport's British Airways DEN Terminal Learn more about the amenities, lounges, food options, and check-in processes at the British Airways terminal. Regardless of your destination, our guide guarantees a seamless journey. Find out about baggage claim places, modes of transportation, and the most recent information on British Airways services at DEN Terminal. With British Airways, you can easily plan your trip and make the most of your time at Denver International Airport.