AirHint found the following cheapest return flights from New York (JFK) to Toronto (YYZ) in December 2025 (see full year).

Return flights

10 Dec - 17 Dec	Delta
19 Dec - 21 Jan	Air Canada	direct
10 Dec - 17 Dec	Air Canada	direct
20 Dec - 04 Jan	Air Canada	direct
18 Dec - 25 Dec	Air Canada	direct
16 Dec - 17 Jan	Air Canada	direct
29 Dec - 01 Jan	Air Canada	direct
17 Dec - 21 Dec	Delta	direct
28 Dec - 05 Jan	Air Canada	direct
24 Dec - 25 Jan	Delta	direct
29 Dec - 10 Jan	Delta

Also check the deals for one-way flights from New York to Toronto in December.

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 return flights from New York to Toronto in December from $261

Return flights