AirHint found the following cheapest return flights from Montreal (YUL) to Cartagena (CTG) in August 2026 (see full year).

Return flights

06 Aug - 13 Aug	Air Transat	direct
13 Aug - 20 Aug	Air Transat	direct
20 Aug - 27 Aug	Air Transat	direct
27 Aug - 03 Sep	Air Transat	direct
03 Aug - 10 Aug	Avianca
05 Aug - 12 Aug	Avianca
12 Aug - 19 Aug	Avianca
14 Aug - 21 Aug	Avianca
17 Aug - 24 Aug	Avianca
19 Aug - 26 Aug	Avianca
21 Aug - 28 Aug	Avianca
26 Aug - 02 Sep	Avianca
28 Aug - 04 Sep	Avianca
30 Aug - 06 Sep	Avianca
31 Aug - 07 Sep	Avianca
25 Aug - 01 Sep	Avianca
29 Aug - 05 Sep	Avianca

Also check the deals for one-way flights from Montreal to Cartagena 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 Cartagena in August from $488

Return flights