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

One-Way flights

31 Aug	Air Canada	direct
30 Aug	Air Canada	direct
28 Aug	Porter Airlines (Canada) Ltd	direct
23 Aug	Porter Airlines (Canada) Ltd	direct
20 Aug	Porter Airlines (Canada) Ltd	direct
21 Aug	Porter Airlines (Canada) Ltd	direct
25 Aug	Porter Airlines (Canada) Ltd	direct
19 Aug	Porter Airlines (Canada) Ltd	direct
22 Aug	Porter Airlines (Canada) Ltd	direct
24 Aug	Air Canada

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

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 August from 123€

One-Way flights