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

One-Way flights

07 Oct	Spirit Airlines
22 Oct	Spirit Airlines
06 Oct	Spirit Airlines
11 Oct	Spirit Airlines
25 Oct	Porter Airlines (Canada) Ltd	direct
10 Oct	Porter Airlines (Canada) Ltd	direct
08 Oct	Porter Airlines (Canada) Ltd	direct
17 Oct	Porter Airlines (Canada) Ltd	direct
13 Oct	Porter Airlines (Canada) Ltd	direct
22 Oct	Porter Airlines (Canada) Ltd	direct

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

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 October from $80

One-Way flights