Are there nonstop flights from Sanya (SYX) to Irkutsk (IKT)?

Yes. Aeroflot fly this route. Flight time is about 4h 58m.

What is the fastest connection from Sanya (SYX) to Irkutsk (IKT)?

via Ulaanbaatar ≈ 5h 29m, via Guangzhou ≈ 5h 42m, via Beijing ≈ 5h 52m (estimated flying time, excluding layovers).

from 18,000 ANA miles (economy, one way, based on the published award charts).

Sanya Phoenix International Airport (SYX) to Irkutsk International Airport (IKT)・3,802 km

Nonstop flights available (1 airline). Flight time about 4h 58m. Nonstop return flights also operate.

With milesANA 18,000 miles+ (via PEK)Economy, one way, estimate. Tap a connection for miles by cabin.

NEWStarting soon: S7 Airlines

13 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.