Are there nonstop flights from Seoul (ICN) to Nassau (NAS)?

No. The fastest connection is via Chicago, about 15h 52m of total flying time.

What is the fastest connection from Seoul (ICN) to Nassau (NAS)?

via Chicago ≈ 15h 52m, via Detroit ≈ 15h 52m, via Minneapolis ≈ 15h 53m (estimated flying time, excluding layovers).

from 47,000 JAL miles, from 61,000 ANA miles (economy, one way, based on the published award charts).

Incheon International Airport (ICN) to Lynden Pindling International Airport (NAS)・12,628 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 15h 52m of flying time (layover not included).

With milesJAL 47,000 miles+ (via DFW)ANA 61,000 miles+ (via YYZ)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.