They are printed all over our luggage and emblazoned on the departure screens, but do you recognise these three letter airport codes?
The codes are set out by the International Air Transport Association (IATA) and help millions of travellers fly to the right place.
But can you fly to the right answers in our latest quiz? Time to test your airport knowledge...
* Can’t get enough trivia action? Check out our dedicated Yahoo Quizzes page for more brainteasers! *