Are there nonstop flights from Halifax (YHZ) to San Francisco (SFO)?

No. The fastest connection is via Montréal, about 6h 45m of total flying time.

What is the fastest connection from Halifax (YHZ) to San Francisco (SFO)?

via Montréal ≈ 6h 45m, via Toronto ≈ 6h 47m, via Chicago ≈ 6h 49m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Halifax / Stanfield International Airport (YHZ) to San Francisco International Airport (SFO)・4,878 km

No nonstop flights. The fastest connection is via Montréal (YUL), about 6h 45m of flying time (layover not included).

With milesANA 15,000 miles+ (via YUL)JAL 23,000 miles+ (via PHL)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.