Are there nonstop flights from Burgas (BOJ) to Seoul (ICN)?

No. The fastest connection is via Warsaw, about 11h 28m of total flying time.

What is the fastest connection from Burgas (BOJ) to Seoul (ICN)?

via Warsaw ≈ 11h 28m, via Budapest ≈ 11h 34m, via Helsinki ≈ 11h 36m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Burgas Airport (BOJ) to Incheon International Airport (ICN)・7,927 km

No nonstop flights. The fastest connection is via Warsaw (WAW), about 11h 28m of flying time (layover not included).

With milesANA 30,000 miles+ (via WAW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.