AirHint found the following cheapest return flights from St. John (YSJ) to Toronto (YYZ) in December 2025 (see full year).

Return flights

10 Dec - 01 Jan	Air Canada
24 Dec - 31 Dec	Air Canada	direct
24 Dec - 01 Jan	Air Canada	direct
04 Dec - 06 Dec	Air Canada	direct
23 Dec - 31 Dec	Air Canada
23 Dec - 27 Dec	Air Canada
23 Dec - 30 Dec	Air Canada
31 Dec - 10 Jan	Air Canada	direct
31 Dec - 04 Jan	Privilege Style
31 Dec - 04 Jan	Air Canada	direct
19 Dec - 23 Dec	Air Canada

Also check the deals for one-way flights from St. John 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 St. John to Toronto in December from $347

Return flights