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

Return flights

01 Oct - 08 Oct	ANA
13 Oct - 20 Oct	ANA
27 Oct - 03 Nov	ANA
07 Oct - 14 Oct	ANA
20 Oct - 27 Oct	Porter Airlines (Canada) Ltd
19 Oct - 26 Oct	Porter Airlines (Canada) Ltd
23 Oct - 30 Oct	Porter Airlines (Canada) Ltd
05 Oct - 12 Oct	KLM
12 Oct - 19 Oct	KLM
14 Oct - 21 Oct	ANA
06 Oct - 13 Oct	ANA
30 Oct - 06 Nov	Emirates
28 Oct - 04 Nov	Qatar Airways
25 Oct - 01 Nov	Porter Airlines (Canada) Ltd
26 Oct - 02 Nov	Qatar Airways
31 Oct - 07 Nov	Emirates

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 832€

Return flights