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

Return flights

02 Oct - 09 Oct	Porter Airlines (Canada) Ltd
01 Oct - 08 Oct	Porter Airlines (Canada) Ltd
23 Oct - 30 Oct	Japan Airlines
31 Oct - 07 Nov	Japan Airlines
08 Oct - 15 Oct	ANA
07 Oct - 14 Oct	Air France
19 Oct - 26 Oct	Air France
12 Oct - 19 Oct	Air France
05 Oct - 12 Oct	KLM
20 Oct - 27 Oct	Qatar Airways
28 Oct - 04 Nov	Qatar Airways
21 Oct - 28 Oct	Air France
30 Oct - 06 Nov	Emirates
30 Oct - 15 Nov	Emirates
25 Oct - 01 Nov	Porter Airlines (Canada) Ltd

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 851€

Return flights