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

Return flights

30 Dec - 27 Jan	WestJet
08 Dec - 15 Dec	WestJet
04 Dec - 11 Dec	WestJet
02 Dec - 09 Dec	WestJet
03 Dec - 10 Dec	WestJet
01 Dec - 19 Dec	WestJet
07 Dec - 14 Dec	WestJet
05 Dec - 12 Dec	WestJet
30 Dec - 13 Jan	WestJet
08 Dec - 16 Jan	WestJet
26 Dec - 19 Jan	WestJet
30 Dec - 06 Jan	WestJet
25 Dec - 19 Jan	WestJet
01 Dec - 08 Dec	WestJet
30 Dec - 12 Jan	WestJet
25 Dec - 12 Jan	WestJet
25 Dec - 13 Jan	WestJet
10 Dec - 17 Dec	WestJet
09 Dec - 16 Dec	WestJet
26 Dec - 12 Jan	WestJet

Also check the deals for one-way flights from Montreal 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 Montreal to Tokyo in December from $630

Return flights