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

Return flights

01 Dec - 08 Dec	WestJet
01 Dec - 14 Dec	WestJet
04 Dec - 11 Dec	WestJet
05 Dec - 12 Dec	WestJet
07 Dec - 14 Dec	Porter Airlines (Canada) Ltd
02 Dec - 09 Dec	WestJet
03 Dec - 10 Dec	Air Transat
06 Dec - 13 Dec	Porter Airlines (Canada) Ltd
08 Dec - 15 Dec	Air France
02 Dec - 06 Jan	WestJet
02 Dec - 08 Jan	WestJet
10 Dec - 17 Dec	FrenchBee
02 Dec - 05 Jan	WestJet
26 Dec - 26 Jan	Porter Airlines (Canada) Ltd
26 Dec - 27 Jan	Porter Airlines (Canada) Ltd
26 Dec - 25 Jan	Porter Airlines (Canada) Ltd
31 Dec - 07 Jan	FrenchBee
28 Dec - 04 Jan	Porter Airlines (Canada) Ltd
30 Dec - 06 Jan	FrenchBee
25 Dec - 01 Jan	Porter Airlines (Canada) Ltd

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

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 December from $1053

Return flights