Are there nonstop flights from Fayetteville/Springdale/Rogers (XNA) to Toronto (YYZ)?

No. The fastest connection is via Detroit, about 2h 45m of total flying time.

What is the fastest connection from Fayetteville/Springdale/Rogers (XNA) to Toronto (YYZ)?

via Detroit ≈ 2h 45m, via Chicago ≈ 2h 48m, via Nashville ≈ 3h 1m (estimated flying time, excluding layovers).

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

Northwest Arkansas National Airport (XNA) to Toronto Pearson International Airport (YYZ)・1,493 km

No nonstop flights. The fastest connection is via Detroit (DTW), about 2h 45m of flying time (layover not included).

With milesJAL 15,000 miles+ (via CLT)ANA 15,000 miles+ (via DEN)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.