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

Return flights

17 Sep - 24 Sep	ANA
09 Sep - 23 Sep	ANA
30 Sep - 07 Oct	ANA
03 Sep - 17 Sep	Air Canada
04 Sep - 11 Sep	ANA
08 Sep - 15 Sep	ANA
09 Sep - 16 Sep	ANA
10 Sep - 17 Sep	ANA
11 Sep - 18 Sep	ANA
16 Sep - 23 Sep	Air Canada
03 Sep - 10 Sep	Air Canada
29 Sep - 06 Oct	Air Canada
25 Sep - 02 Oct	Air Canada
24 Sep - 01 Oct	Air Canada
17 Sep - 17 Oct	Air Canada
28 Sep - 05 Oct	Air Canada
26 Sep - 03 Oct	Air Canada
27 Sep - 04 Oct	Air Canada

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

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 September from 1140CAD

Return flights