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

Return flights

08 Dec - 15 Dec	Avianca
07 Dec - 14 Dec	Avianca
03 Dec - 10 Dec	Avianca
01 Dec - 07 Dec	Avianca
01 Dec - 08 Dec	Avianca
03 Dec - 10 Dec	Air Transat	direct
05 Dec - 12 Dec	Air Transat
05 Dec - 12 Dec	Air Transat	direct
10 Dec - 21 Jan	Avianca
10 Dec - 17 Dec	Avianca
05 Dec - 17 Jan	Air Canada
12 Dec - 19 Dec	Air Transat
10 Dec - 21 Jan	Air Transat	direct
08 Dec - 19 Jan	Copa
31 Dec - 09 Jan	Air Transat
25 Dec - 09 Jan	Air Transat
24 Dec - 09 Jan	Air Transat
26 Dec - 16 Jan	Air Transat
31 Dec - 07 Jan	Air Transat
30 Dec - 13 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Montreal to Cartagena 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 Cartagena in December from 422€

Return flights