Are there nonstop flights from Olbia (OLB) to Buenos Aires (EZE)?

No. The fastest connection is via Barcelona, about 14h 4m of total flying time.

What is the fastest connection from Olbia (OLB) to Buenos Aires (EZE)?

via Barcelona ≈ 14h 4m, via Madrid ≈ 14h 10m, via Rome ≈ 14h 25m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Olbia Costa Smeralda Airport (OLB) to Ezeiza International Airport - Ministro Pistarini (EZE)・10,915 km

No nonstop flights. The fastest connection is via Barcelona (BCN), about 14h 4m of flying time (layover not included).

With milesANA 35,000 miles+ (via FRA)JAL 45,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.