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

Return flights

21 Aug - 11 Sep	ANA
21 Aug - 30 Sep	ANA
11 Aug - 25 Sep	ANA
19 Aug - 11 Sep	ANA
21 Aug - 18 Sep	ANA
26 Aug - 25 Sep	ANA
27 Aug - 09 Sep	ANA
26 Aug - 02 Sep	ANA
21 Aug - 02 Sep	ANA
25 Aug - 09 Sep	ANA
19 Aug - 26 Aug	ANA
18 Aug - 25 Aug	ANA
17 Aug - 24 Aug	ANA
21 Aug - 28 Aug	ANA
24 Aug - 31 Aug	ANA
20 Aug - 27 Aug	EVA Air
11 Aug - 26 Aug	EVA Air
13 Aug - 16 Aug	Air Canada
06 Aug - 13 Aug	EVA Air
12 Aug - 19 Aug	EVA Air

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 $903

Return flights