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

Return flights

10 Aug - 17 Aug	Avianca
02 Aug - 09 Aug	Avianca
03 Aug - 10 Aug	Avianca
01 Aug - 08 Aug	Avianca
05 Aug - 12 Aug	Avianca
04 Aug - 11 Aug	Avianca
07 Aug - 14 Aug	Avianca
09 Aug - 16 Aug	Avianca
11 Aug - 18 Aug	Avianca
06 Aug - 13 Aug	Avianca
25 Aug - 01 Sep	Air Canada
27 Aug - 03 Sep	Air Canada
29 Aug - 05 Sep	Air Canada

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 $388

Return flights