Are there nonstop flights from Tokyo (HND) to Ottawa (YOW)?

No. The fastest connection is via Toronto, about 13h 36m of total flying time.

What is the fastest connection from Tokyo (HND) to Ottawa (YOW)?

via Toronto ≈ 13h 36m, via Vancouver ≈ 14h 5m, via Chicago ≈ 14h 9m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Tokyo Haneda International Airport (HND) to Ottawa Macdonald-Cartier International Airport (YOW)・10,343 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 13h 36m of flying time (layover not included).

With milesANA 27,500 miles+ (via YYZ)JAL 47,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

7 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.