Are there nonstop flights from Ottawa (YOW) to Seoul (ICN)?

No. The fastest connection is via Montréal, about 13h 37m of total flying time.

What is the fastest connection from Ottawa (YOW) to Seoul (ICN)?

via Montréal ≈ 13h 37m, via Toronto ≈ 13h 55m, via Calgary ≈ 14h 26m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Ottawa Macdonald-Cartier International Airport (YOW) to Incheon International Airport (ICN)・10,546 km

No nonstop flights. The fastest connection is via Montréal (YUL), about 13h 37m of flying time (layover not included).

With milesANA 30,000 miles+ (via YUL)JAL 47,000 miles+ (via CDG)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.