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

Return flights

15 Dec - 14 Jan	Air Canada	direct
04 Dec - 11 Dec	Delta	direct
02 Dec - 02 Jan	Delta	direct
14 Dec - 31 Jan	Delta	direct
28 Dec - 30 Dec	Air Canada	direct
18 Dec - 04 Jan	American Airlines	direct
29 Dec - 30 Dec	Air Canada
26 Dec - 29 Dec	Air Canada	direct
24 Dec - 01 Jan	American Airlines	direct
14 Dec - 21 Dec	Delta	direct
17 Dec - 29 Dec	Delta	direct
30 Dec - 03 Jan	Delta
24 Dec - 27 Dec	American Airlines	direct
29 Dec - 30 Dec	Delta	direct
20 Dec - 30 Dec	Delta	direct
27 Dec - 28 Dec	Delta	direct

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 $264

Return flights