Are there nonstop flights from Quito (UIO) to London (LHR)?

No. The fastest connection is via Bogota, about 11h 48m of total flying time.

What is the fastest connection from Quito (UIO) to London (LHR)?

via Bogota ≈ 11h 48m, via Punta Cana ≈ 11h 52m, via Amsterdam ≈ 12h 40m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 40,000 JAL miles (economy, one way, based on the published award charts).

Mariscal Sucre International Airport (UIO) to London Heathrow Airport (LHR)・9,184 km

No nonstop flights. The fastest connection is via Bogota (BOG), about 11h 48m of flying time (layover not included).

With milesANA 35,000 miles+ (via BOG)JAL 40,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.