Are there nonstop flights from Rome (FCO) to Reykjavík (KEF)?

Yes. Wizz Air, Icelandair fly this route. Flight time is about 4h 24m.

What is the fastest connection from Rome (FCO) to Reykjavík (KEF)?

via Newcastle upon Tyne ≈ 4h 54m, via Milan ≈ 4h 54m, via Glasgow ≈ 4h 54m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Rome–Fiumicino Leonardo da Vinci International Airport (FCO) to Keflavik International Airport (KEF)・3,319 km

Nonstop flights available (2 airlines). Flight time about 4h 24m. Nonstop return flights also operate.

With milesANA 15,000 miles+ (via FRA)JAL 23,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

55 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.