Are there nonstop flights from New York (JFK) to Saint John (YSJ)?

No. The fastest connection is via Toronto, about 3h of total flying time.

What is the fastest connection from New York (JFK) to Saint John (YSJ)?

via Toronto ≈ 3h (estimated flying time, excluding layovers).

John F. Kennedy International Airport (JFK) to Saint John Airport (YSJ)・825 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 3h of flying time (layover not included).

None.

1 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.