Are there nonstop flights from London (LCY) to Plaine Magnien (MRU)?

No. The fastest connection is via Zurich, about 12h 29m of total flying time.

What is the fastest connection from London (LCY) to Plaine Magnien (MRU)?

via Zurich ≈ 12h 29m, via Geneva ≈ 12h 30m, via Frankfurt am Main ≈ 12h 33m (estimated flying time, excluding layovers).

London City Airport (LCY) to Sir Seewoosagur Ramgoolam International Airport (MRU)・9,758 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 12h 29m of flying time (layover not included).

None.

4 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.