Are there nonstop flights from Sapporo (CTS) to Okushiri Island (OIR)?

No. The fastest connection is via Hakodate, about 1h 17m of total flying time.

What is the fastest connection from Sapporo (CTS) to Okushiri Island (OIR)?

via Hakodate ≈ 1h 17m (estimated flying time, excluding layovers).

New Chitose Airport (CTS) to Okushiri Airport (OIR)・201 km

No nonstop flights. The fastest connection is via Hakodate (HKD), about 1h 17m of flying time (layover not included).

None.

1 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.