Are there nonstop flights from Toronto (YTZ) to Athens (ATH)?

No. The fastest connection is via Montréal, about 10h 34m of total flying time.

What is the fastest connection from Toronto (YTZ) to Athens (ATH)?

via Montréal ≈ 10h 34m, via Boston ≈ 10h 48m, via Newark ≈ 11h (estimated flying time, excluding layovers).

Billy Bishop Toronto City Airport (YTZ) to Athens Eleftherios Venizelos International Airport (ATH)・8,117 km

No nonstop flights. The fastest connection is via Montréal (YUL), about 10h 34m of flying time (layover not included).

None.

5 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.