Are there nonstop flights from London (LHR) to Coxen Hole (RTB)?

No. The fastest connection is via Miami, about 10h 49m of total flying time.

What is the fastest connection from London (LHR) to Coxen Hole (RTB)?

via Miami ≈ 10h 49m, via Montréal ≈ 11h 12m, via Atlanta ≈ 11h 14m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

London Heathrow Airport (LHR) to Juan Manuel Gálvez International Airport (RTB)・8,326 km

No nonstop flights. The fastest connection is via Miami (MIA), about 10h 49m of flying time (layover not included).

With milesANA 35,000 miles+ (via IAH)JAL 37,000 miles+ (via MIA)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.