Are there nonstop flights from New York (LGA) to Karachi (KHI)?

No. The fastest connection is via Toronto, about 15h 24m of total flying time.

What is the fastest connection from New York (LGA) to Karachi (KHI)?

via Toronto ≈ 15h 24m (estimated flying time, excluding layovers).

LaGuardia Airport (LGA) to Jinnah International Airport (KHI)・11,676 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 15h 24m 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.