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

Return flights

21 Oct - 28 Oct	Delta
07 Oct - 23 Oct	Delta
28 Oct - 20 Nov	Delta
21 Oct - 06 Nov	Delta
28 Oct - 04 Nov	Delta
29 Oct - 06 Nov	Delta
28 Oct - 17 Nov	Delta
27 Oct - 10 Nov	Delta
20 Oct - 03 Nov	Delta
29 Oct - 13 Nov	Delta
22 Oct - 12 Nov	Delta
28 Oct - 06 Nov	Delta
27 Oct - 31 Oct	Delta
20 Oct - 31 Oct	Delta
21 Oct - 31 Oct	Delta
02 Oct - 16 Oct	Delta
02 Oct - 09 Oct	Delta
15 Oct - 23 Oct	Delta
14 Oct - 23 Oct	Delta
06 Oct - 31 Oct	Delta

Also check the deals for one-way flights from Montreal to Tokyo in October.

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 October from $779

Return flights