C’est le deuxième plus grand Aéroport Suisse.

Les compagnies Aériennes présentes sur l’Aéroport de Genève sont : Aer Lingus, Aeroflot, Air Algérie, airBaltic , Air Berlin, Air Canada, Air France, Air Malta, Air Mauritius, Alitalia, Austrian Airlines, Baboo, Blue Islands, BMI Baby, British Airways, Brussels Airlines, CityJet, Continental Airlines, Darwin Airline, easyJet, Edelweiss Air, Egypt Air, El Al, Etihad Airways, Finnair, Flybe, Hello, Helvetic Airways, Iberia, Iran Air, JAL, Jet2.com, Jet4you, KLM, Kuwait Airways, LOT Polish Airlines, Lufthansa, Luxair, Middle East Airlines, Norwegian Air Shuttle, Qantas Airways, Gatar Airways, Rossiya Airlines, Royal Air Maroc, Royal Jordanian, SAS - Scandinavian Airlines, Saudi Arabian Airlines, Singapore Airlines, Sterling, Swiss International Air Lines, TAP Portugal, Thai Airways International, Transavia, Tunisair, Turkish Airlines, Twin Jet, United, Ukraine International Airlines, Uzbekistan Airways.