That got the team at BusinessFinancing.co.uk wondering which are the best and worst airports in the world according to business travelers? Key FindingsWith an average rating of 6.80/10, Noi Bai International Airport in Vietnam is the world’s best airport , according to business travellers. The best airport in the UK is Heathrow in London, which business travellers rate 3.73/10 on average — the worst UK airport is Leeds Bradford Airport in West Yorkshire ( 1.57/10 ). The best airport in the U.S., according to business travellers, is Midway International Airport in Chicago (4.37/10), and the worst is Fort Lauderdale—Hollywood International Airport (1.64). They removed airports that weren’t international airports according to Wikipedia and recorded their country of origin.