Are there nonstop flights from Mexico City (MEX) to New York (LGA)?

No. The fastest connection is via Atlanta, about 4h 57m of total flying time.

What is the fastest connection from Mexico City (MEX) to New York (LGA)?

via Atlanta ≈ 4h 57m, via Washington ≈ 4h 58m, via Charlotte ≈ 4h 58m (estimated flying time, excluding layovers).

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

Mexico City Benito Juárez International Airport (MEX) to LaGuardia Airport (LGA)・3,368 km

No nonstop flights. The fastest connection is via Atlanta (ATL), about 4h 57m of flying time (layover not included).

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

None.

18 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.