Are there nonstop flights from Halifax (YHZ) to Whitehorse (YXY)?

No. The fastest connection is via Ottawa, about 7h of total flying time.

What is the fastest connection from Halifax (YHZ) to Whitehorse (YXY)?

via Ottawa ≈ 7h, via Edmonton ≈ 7h 8m, via Toronto ≈ 7h 18m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Halifax / Stanfield International Airport (YHZ) to Whitehorse / Erik Nielsen International Airport (YXY)・4,840 km

No nonstop flights. The fastest connection is via Ottawa (YOW), about 7h of flying time (layover not included).

With milesANA 15,000 miles+ (via YVR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

5 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.