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

Return flights

31 Dec - 24 Jan	Delta
30 Dec - 22 Jan	Delta
30 Dec - 26 Jan	Delta
30 Dec - 27 Jan	Delta
31 Dec - 15 Jan	Delta
30 Dec - 30 Jan	Delta
30 Dec - 31 Jan	Delta
30 Dec - 23 Jan	Delta
30 Dec - 24 Jan	Delta
30 Dec - 20 Jan	Delta
10 Dec - 18 Dec	Delta
04 Dec - 15 Dec	Delta
02 Dec - 09 Dec	Delta
09 Dec - 18 Dec	Delta
03 Dec - 10 Dec	ANA
05 Dec - 16 Dec	Delta
10 Dec - 22 Dec	Delta
01 Dec - 08 Dec	Japan Airlines
15 Dec - 22 Dec	Delta
15 Dec - 29 Dec	Delta

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 $756

Return flights