Are there nonstop flights from Mérida (MID) to London (LHR)?

No. The fastest connection is via Orlando, about 10h 36m of total flying time.

What is the fastest connection from Mérida (MID) to London (LHR)?

via Orlando ≈ 10h 36m, via Miami ≈ 10h 39m, via Toronto ≈ 10h 53m (estimated flying time, excluding layovers).

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

Manuel Crescencio Rejón International Airport (MID) to London Heathrow Airport (LHR)・8,148 km

No nonstop flights. The fastest connection is via Orlando (MCO), about 10h 36m of flying time (layover not included).

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

None.

7 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.