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

Return flights

25 Dec - 14 Jan	WestJet
29 Dec - 28 Jan	WestJet
31 Dec - 30 Jan	WestJet
29 Dec - 20 Jan	WestJet
28 Dec - 11 Jan	WestJet
08 Dec - 18 Dec	WestJet
02 Dec - 16 Dec	WestJet
08 Dec - 15 Dec	WestJet
01 Dec - 12 Dec	WestJet
08 Dec - 12 Dec	WestJet
09 Dec - 16 Dec	WestJet
02 Dec - 09 Dec	WestJet
26 Dec - 11 Jan	WestJet
31 Dec - 12 Jan	WestJet
06 Dec - 21 Dec	WestJet
09 Dec - 23 Dec	WestJet
01 Dec - 24 Dec	WestJet
26 Dec - 15 Jan	WestJet
06 Dec - 10 Jan	WestJet
23 Dec - 11 Jan	WestJet

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 $667

Return flights