Are there nonstop flights from Zagreb (ZAG) to Oslo (OSL)?

No. The fastest connection is via Gothenburg, about 2h 55m of total flying time.

What is the fastest connection from Zagreb (ZAG) to Oslo (OSL)?

via Gothenburg ≈ 2h 55m, via Copenhagen ≈ 2h 55m, via Berlin ≈ 2h 56m (estimated flying time, excluding layovers).

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

Zagreb Franjo Tuđman International Airport (ZAG) to Oslo-Gardermoen International Airport (OSL)・1,640 km

No nonstop flights. The fastest connection is via Gothenburg (GOT), about 2h 55m of flying time (layover not included).

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

None.

38 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.