Are there nonstop flights from Mexico City (MEX) to London (LGW)?

No. The fastest connection is via Boston, about 11h 31m of total flying time.

What is the fastest connection from Mexico City (MEX) to London (LGW)?

via Boston ≈ 11h 31m, via New York ≈ 11h 31m, via Montréal ≈ 11h 32m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Mexico City Benito Juárez International Airport (MEX) to London Gatwick Airport (LGW)・8,934 km

No nonstop flights. The fastest connection is via Boston (BOS), about 11h 31m of flying time (layover not included).

With milesANA 27,500 miles+ (via IST)JAL 37,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.