Are there nonstop flights from Toronto (YTZ) to Portland (PWM)?

No. The fastest connection is via New York, about 2h 10m of total flying time.

What is the fastest connection from Toronto (YTZ) to Portland (PWM)?

via New York ≈ 2h 10m, via Newark ≈ 2h 10m, via Washington ≈ 2h 34m (estimated flying time, excluding layovers).

Billy Bishop Toronto City Airport (YTZ) to Portland International Jetport (PWM)・731 km

No nonstop flights. The fastest connection is via New York (LGA), about 2h 10m of flying time (layover not included).

None.

3 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.