Are there nonstop flights from Sapporo (CTS) to Chicago (ORD)?

No. The fastest connection is via Tokyo, about 13h 47m of total flying time.

What is the fastest connection from Sapporo (CTS) to Chicago (ORD)?

via Tokyo ≈ 13h 47m, via Tokyo ≈ 13h 53m, via Seoul ≈ 15h 3m (estimated flying time, excluding layovers).

from 20,000 ANA miles, from 27,000 JAL miles (economy, one way, based on the published award charts).

New Chitose Airport (CTS) to Chicago O'Hare International Airport (ORD)・9,366 km

No nonstop flights. The fastest connection is via Tokyo (NRT), about 13h 47m of flying time (layover not included).

With milesANA 20,000 miles+ (via NRT)JAL 27,000 miles+ (via HND)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.