Fly into New Chitose Intl. Airport (CTS), the closest airport, located 21.9 mi (35.2 km) from the city center. If you can't find a flight that works for your travel itinerary, you could also fly into Sapporo Okadama Airport (OKD), which is 5.9 mi (9.5 km) away.
Walk to nearby metro transportation at Tsukisamu-chuo Station or Fukuzumi Station if you're interested in seeing more of the city.