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

Return flights

27 Oct - 03 Nov	ANA
28 Oct - 04 Nov	ANA
20 Oct - 27 Oct	Qatar Airways
20 Oct - 16 Nov	Qatar Airways
01 Oct - 08 Oct	Porter Airlines (Canada) Ltd
02 Oct - 09 Oct	Porter Airlines (Canada) Ltd
19 Oct - 26 Oct	Qatar Airways
26 Oct - 02 Nov	Qatar Airways
21 Oct - 28 Oct	Qatar Airways
29 Oct - 05 Nov	Qatar Airways
06 Oct - 13 Oct	Qatar Airways
24 Oct - 31 Oct	Japan Airlines
05 Oct - 12 Oct	KLM
07 Oct - 14 Oct	Air France
12 Oct - 19 Oct	Qatar Airways
11 Oct - 01 Nov	Japan Airlines
25 Oct - 01 Nov	Japan Airlines
30 Oct - 06 Nov	ANA
31 Oct - 07 Nov	Qatar Airways

Also check the deals for one-way flights from Montreal to Jakarta 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 Jakarta in October from $1047

Return flights