Are there nonstop flights from Tokyo (NRT) to New York (LGA)?

No. The fastest connection is via Toronto, about 13h 47m of total flying time.

What is the fastest connection from Tokyo (NRT) to New York (LGA)?

via Toronto ≈ 13h 47m, via Montréal ≈ 13h 48m, via Boston ≈ 14h 1m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Narita International Airport (NRT) to LaGuardia Airport (LGA)・10,813 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 13h 47m of flying time (layover not included).

With milesANA 27,500 miles+ (via YYZ)JAL 40,000 miles+ (via ORD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

8 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.