Are there nonstop flights from Calgary (YYC) to Buenos Aires (EZE)?

No. The fastest connection is via Dallas-Fort Worth, about 13h 55m of total flying time.

What is the fastest connection from Calgary (YYC) to Buenos Aires (EZE)?

via Dallas-Fort Worth ≈ 13h 55m, via Houston ≈ 13h 56m, via Cancún ≈ 13h 56m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Calgary International Airport (YYC) to Ezeiza International Airport - Ministro Pistarini (EZE)・10,983 km

No nonstop flights. The fastest connection is via Dallas-Fort Worth (DFW), about 13h 55m of flying time (layover not included).

With milesANA 30,000 miles+ (via IAH)JAL 45,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

16 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.