Are there nonstop flights from New York (LGA) to Islamabad (ISB)?

No. The fastest connection is via Toronto, about 14h 35m of total flying time.

What is the fastest connection from New York (LGA) to Islamabad (ISB)?

via Toronto ≈ 14h 35m (estimated flying time, excluding layovers).

LaGuardia Airport (LGA) to Islamabad International Airport (ISB)・11,073 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 14h 35m of flying time (layover not included).

None.

1 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.