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

Return flights

20 May - 29 May	Avianca
17 May - 20 May	Avianca
06 May - 13 May	Avianca
20 May - 27 May	Avianca
18 May - 25 May	Avianca
13 May - 20 May	Avianca
27 May - 03 Jun	Avianca
04 May - 11 May	Avianca
06 May - 11 May	Avianca
01 May - 08 May	Avianca
17 May - 24 May	Avianca
25 May - 01 Jun	Avianca
28 May - 04 Jun	Air Transat	direct
31 May - 07 Jun	Copa
26 May - 02 Jun	Copa
29 May - 05 Jun	Copa
30 May - 06 Jun	Copa

Also check the deals for one-way flights from Montreal to Cartagena in May.

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 May from $373

Return flights