AirHint found the following cheapest return flights from San Jose (SJO) to Toronto (YYZ) in December 2025 (see full year).

Return flights

25 Dec - 23 Jan	Air Transat
16 Dec - 13 Jan	Air Transat
16 Dec - 12 Jan	Air Transat
21 Dec - 31 Dec	Air Transat	direct
26 Dec - 30 Dec	Air Canada	direct
26 Dec - 31 Dec	United
23 Dec - 31 Dec	United
21 Dec - 30 Dec	United
04 Dec - 07 Dec	Delta
22 Dec - 30 Dec	United
02 Dec - 09 Dec	Air Canada	direct
24 Dec - 03 Jan	Air Canada	direct
20 Dec - 27 Dec	Air Canada
21 Dec - 29 Dec	United
22 Dec - 05 Jan	United
26 Dec - 02 Jan	United
26 Dec - 04 Jan	United
31 Dec - 04 Jan	Air Canada
20 Dec - 03 Jan	United
21 Dec - 03 Jan	United

Also check the deals for one-way flights from San Jose 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 San Jose to Toronto in December from $341

Return flights