AirHint found the following cheapest one-way flights from New York (NYC) to Toronto (YYZ) in September 2025 (see full year).

One-Way flights

27 Sep	Flair Airlines	direct
13 Sep	Flair Airlines	direct
06 Sep	Flair Airlines	direct
16 Sep	Flair Airlines	direct
23 Sep	Flair Airlines	direct
11 Sep	Air Transat
04 Sep	Flair Airlines	direct
20 Sep	Flair Airlines	direct
10 Sep	Air Transat
05 Sep	Air Transat

Also check the deals for return flights from New York to Toronto in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest one-way flights from New York to Toronto in September from 30€

One-Way flights