AirHint found the following cheapest return flights from Toronto (YTZ) to Tokyo (NRT) in December 2025 (see full year).

Return flights

11 Dec - 20 Dec	Air Canada
15 Dec - 06 Jan	Air Canada
26 Dec - 05 Jan	Air Canada
16 Dec - 05 Jan	Air Canada
19 Dec - 02 Jan	Air Canada
11 Dec - 18 Dec	SWISS
05 Dec - 15 Dec	SWISS
06 Dec - 13 Dec	SWISS
12 Dec - 20 Dec	SWISS
09 Dec - 16 Dec	SWISS
04 Dec - 14 Dec	SWISS
09 Dec - 21 Dec	SWISS
13 Dec - 04 Jan	SWISS
07 Dec - 10 Jan	SWISS
13 Dec - 28 Dec	SWISS
20 Dec - 03 Jan	SWISS
04 Dec - 11 Dec	SWISS
23 Dec - 18 Jan	SWISS
30 Dec - 13 Jan	SWISS
26 Dec - 15 Jan	SWISS

Also check the deals for one-way flights from Toronto to Tokyo 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 Toronto to Tokyo in December from $1511

Return flights