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

Return flights

26 Dec - 05 Jan	Avianca
27 Dec - 17 Jan	Avianca
21 Dec - 31 Dec	Avianca
05 Dec - 14 Dec	Avianca
07 Dec - 14 Dec	Avianca
26 Dec - 03 Jan	Avianca
25 Dec - 23 Jan	jetBlue
16 Dec - 30 Dec	United
23 Dec - 31 Dec	United
21 Dec - 03 Jan	Avianca
19 Dec - 29 Dec	United
13 Dec - 29 Dec	United
26 Dec - 03 Jan	Air Canada	direct
22 Dec - 29 Dec	United
25 Dec - 01 Jan	United
16 Dec - 30 Dec	Air Canada	direct
20 Dec - 03 Jan	Avianca
18 Dec - 21 Dec	Air Transat
20 Dec - 03 Jan	Air Canada	direct
21 Dec - 03 Jan	Air Canada	direct

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 273€

Return flights