- Kajaani airport is a regional airport located in Kajaani, Finland. It is situated approximately 8 kilometers southwest of the city center. The airport primarily serves the Kainuu region and operates domestic flights within Finland. It offers regular flights to and from Helsinki, the capital of Finland. The airport has a single terminal building and handles over 80,000 passengers annually. It also provides services for general aviation and has a 2,500-meter long runway. The various facilities at the airport include parking, car rental services, cafes, and a duty-free shop.