Oulu Airport (OUL) in Finland is a small, but busy, facility; since 2006, on average, each year over 750,000 passengers used the airport. It services flights from across the Scandinavian region, in addition to some seasonal flights to popular warm holiday locations. Most flights are to Helsinki, the capital city of Finland. The airport has been upgraded in recent years with the opening of a new terminal building and four new jetbridge gates. An interesting fact is that this airport is often used by the Finnish military as a training facility. Sixt offers a car hire service to passengers at Oulu Airport.