Are there nonstop flights from Yellowknife (YZF) to New York (LGA)?

No. The fastest connection is via Toronto, about 5h 16m of total flying time.

What is the fastest connection from Yellowknife (YZF) to New York (LGA)?

via Toronto ≈ 5h 16m, via Calgary ≈ 6h 19m (estimated flying time, excluding layovers).

Yellowknife International Airport (YZF) to LaGuardia Airport (LGA)・3,594 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 5h 16m of flying time (layover not included).

None.

2 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.