Dublin AirportDublin Airport (Irish: Aerfort Bhaile Átha Cliath) is an international airport serving Dublin, Ireland. It is operated by DAA (formerly Dublin Airport Authority). The airport is located in Collinstown, north of Dublin, and south of the town of Swords. In 2019, 32.9 million passengers passed through the airport, making it the airport's busiest year on record. It is the 12th busiest airport in Europe, and is the busiest of Ireland's airports by total passenger traffic; it also has the largest traffic levels on the island of Ireland, followed by Belfast International Airport.
Edinburgh AirportEdinburgh Airport (Port-adhair Dhùn Èideann) is an airport located in the Ingliston area of Edinburgh, Scotland. It was the busiest airport in Scotland in 2019, handling over 14.7 million passengers. It was also the sixth-busiest airport in the United Kingdom by total passengers in 2019, and third-busiest outside London. It is located west of the city centre, just off the M8 and M9 motorways. It is owned and operated by Global Infrastructure Partners, who are also a minority shareholder of Gatwick Airport.
Frankfurt AirportFrankfurt Airport (; Flughafen Frankfurt Main ˈfluːkhaːfn̩ ˈfʁaŋkfʊʁt ˈmaɪn, also known as Rhein-Main-Flughafen) is Germany's main international airport by passenger numbers and is located in Frankfurt, the fifth-largest city of Germany and one of the world's leading financial centres. It is operated by Fraport and serves as the main hub for Lufthansa, including Lufthansa CityLine and Lufthansa Cargo as well as Condor and AeroLogic.
Geneva AirportGeneva Airport , formerly and still unofficially known as Cointrin Airport, is the international airport of Geneva, the second most populous city in Switzerland. It is located northwest of the city centre. It surpassed the 15-million-passengers-a-year mark for the first time in December 2014. The airport serves as a hub for Swiss International Air Lines and easyJet Switzerland.
Copenhagen AirportCopenhagen Airport, Kastrup (Københavns Lufthavn, Kastrup, khøpm̩ˈhɑwns ˈlɔftˌhɑwˀn ˈkhæˌstʁɔp; ) is an international airport serving Copenhagen, Denmark, Zealand, the Øresund Region, and southern Sweden including Scania. It is the largest airport in the Nordic countries. As of 2019, the airport was the largest airport in the Nordic countries with close to 30.3 million passengers. It is one of the oldest international airports in Europe, the fourth-busiest airport in Northern Europe, and the busiest for international travel in Scandinavia.
Zurich AirportZurich Airport () is the largest international airport of Switzerland and the principal hub of Swiss International Air Lines. It serves Zürich, Switzerland's largest city, and, with its surface transport links, much of the rest of the country. The airport is located north of central Zürich, in the municipalities of Kloten, Rümlang, Oberglatt, Winkel, and Opfikon, all of which are within the canton of Zürich. In the Zurich area, mixed civil and military air traffic developed from 1909 onwards at Dübendorf airfield, northeast of the city.