Are there nonstop flights from Algiers (ALG) to Seoul (ICN)?

No. The fastest connection is via Budapest, about 12h 39m of total flying time.

What is the fastest connection from Algiers (ALG) to Seoul (ICN)?

via Budapest ≈ 12h 39m, via Vienna ≈ 12h 40m, via Rome ≈ 12h 41m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Houari Boumediene Airport (ALG) to Incheon International Airport (ICN)・9,914 km

No nonstop flights. The fastest connection is via Budapest (BUD), about 12h 39m of flying time (layover not included).

With milesANA 30,000 miles+ (via FRA)JAL 45,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

20 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.