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

Return flights

02 Dec - 16 Dec	WestJet
03 Dec - 10 Dec	WestJet
01 Dec - 10 Dec	WestJet
04 Dec - 18 Dec	WestJet
30 Dec - 29 Jan	WestJet
30 Dec - 22 Jan	WestJet
29 Dec - 14 Jan	WestJet
03 Dec - 21 Jan	WestJet
04 Dec - 21 Jan	WestJet
02 Dec - 12 Dec	WestJet
03 Dec - 17 Dec	WestJet
30 Dec - 14 Jan	WestJet
30 Dec - 20 Jan	WestJet
30 Dec - 23 Jan	WestJet
04 Dec - 16 Dec	WestJet
01 Dec - 17 Dec	WestJet
02 Dec - 09 Dec	WestJet
01 Dec - 07 Dec	WestJet
28 Dec - 17 Jan	WestJet
05 Dec - 21 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 $606

Return flights