Athens International Airport Transavia France, TUIfly Belgium, Brussels Airlines, Aer Lingus, Air Transat and Scoot. Athens International Airport is the largest and busiest airport in Greece. By the end of 2017, it was the 27th busiest airport in Europe handling a total traffic of 21.74 million passengers. The table below shows passenger totals at Athens International Airport by country destination during 2017. A railway station is immediately adjacent to the airport terminal, accessible by an elevated walkway. Athens Metro line 3 and the suburban railway service Proastiakos run trains to and from this station. The airport is accessible by the Attiki Odos toll
Keflavík International Airport Keflavík International Airport Keflavík International Airport () , also known as Reykjavík–Keflavík Airport, is the largest airport in Iceland and the country's main hub for international transportation. The airport is west of Keflavík and southwest of Reykjavík. The airport has three runways, two of which are in use, and the airport area is about . Most international journeys to or from Iceland pass through this airport. The main carriers at Keflavík are Icelandair and WOW air, each of which has the airport as its main hub. The airport is almost exclusively used for international flights; most domestic flights use Reykjavík