Fly into Helsinki-Vantaa Airport (HEL), the closest airport, located 7.9 mi (12.7 km) from the city centre.
If you'd rather travel by train, make your way to Helsinki Ilmala Station or Pasila Station and explore the city from there. It's easy to get around Pasila by jumping on the metro at Kyllikinportti Station, Messukeskus Station or Maistraatinportti Station.