Are there nonstop flights from Seoul (ICN) to Glasgow (GLA)?

No. The fastest connection is via Amsterdam, about 11h 55m of total flying time.

What is the fastest connection from Seoul (ICN) to Glasgow (GLA)?

via Amsterdam ≈ 11h 55m, via London ≈ 12h 4m, via Wrocław ≈ 12h 12m (estimated flying time, excluding layovers).

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

Incheon International Airport (ICN) to Glasgow Airport (GLA)・8,646 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 11h 55m of flying time (layover not included).

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

None.

15 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.