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

Return flights

20 Aug - 03 Sep	ANA
27 Aug - 09 Sep	ANA
25 Aug - 01 Sep	ANA
27 Aug - 03 Sep	ANA
26 Aug - 02 Sep	ANA
28 Aug - 04 Sep	Japan Airlines
24 Aug - 31 Aug	ANA
19 Aug - 26 Aug	ANA
31 Aug - 07 Sep	Porter Airlines (Canada) Ltd
21 Aug - 28 Aug	WestJet
29 Aug - 05 Sep	Porter Airlines (Canada) Ltd
03 Aug - 10 Aug	Air France
12 Aug - 19 Aug	WestJet
13 Aug - 20 Aug	WestJet
05 Aug - 12 Aug	EVA Air
10 Aug - 17 Aug	Porter Airlines (Canada) Ltd
20 Aug - 27 Aug	WestJet
18 Aug - 25 Aug	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to Jakarta in August.

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 August from 856€

Return flights