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

Return flights

08 Dec - 12 Dec	Air Canada	direct
04 Dec - 11 Dec	Air Canada
21 Dec - 03 Jan	Air Canada	direct
04 Dec - 11 Dec	Delta	direct
01 Dec - 24 Dec	Air Canada	direct
11 Dec - 14 Dec	Delta
07 Dec - 11 Dec	Air Canada
23 Dec - 02 Jan	Air Canada	direct
07 Dec - 11 Dec	Delta	direct
22 Dec - 29 Dec	Air Canada	direct
24 Dec - 10 Jan	Delta	direct
24 Dec - 28 Dec	Delta	direct
19 Dec - 22 Dec	Delta	direct
19 Dec - 04 Jan	Delta	direct
30 Dec - 01 Jan	Delta	direct
26 Dec - 01 Jan	Delta
28 Dec - 03 Jan	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 162€

Return flights