Keflavík 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 1.7 nautical miles west of Keflavík and 50 km (30 mi) southwest of Reykjavík. The airport has three runways, two of which are in use, and the airport area is about 25 km2 (10 sq mi). Most international journeys to or from Iceland pass through this airport.

Keflavík is a town in the Reykjanes region in southwest Iceland. It is included in the municipality of Reykjanesbær whose population as of 2016 is 15,129.