Are there nonstop flights from Surgut (SGC) to Chelyabinsk (CEK)?

Yes. UTair Aviation fly this route. Flight time is about 1h 38m.

What is the fastest connection from Surgut (SGC) to Chelyabinsk (CEK)?

via Tyumen ≈ 2h 8m, via Ufa ≈ 2h 56m, via Novosibirsk ≈ 3h 36m (estimated flying time, excluding layovers).

from 15,000 JAL miles (economy, one way, based on the published award charts).

Surgut International Airport (SGC) to Kurchatov Chelyabinsk International Airport (CEK)・964 km

Nonstop flights available (1 airline). Flight time about 1h 38m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via OVB)Economy, one way, estimate. Tap a connection for miles by cabin.

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.