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

Return flights

08 Dec - 15 Dec	Copa
01 Dec - 08 Dec	Copa
03 Dec - 10 Dec	Copa
07 Dec - 14 Dec	Copa
02 Dec - 09 Dec	Copa
15 Dec - 22 Dec	Copa
13 Dec - 20 Dec	Copa
05 Dec - 12 Dec	Copa
14 Dec - 21 Dec	Copa
09 Dec - 16 Dec	Copa
24 Dec - 06 Jan	Aeromexico
31 Dec - 07 Jan	Copa
28 Dec - 04 Jan	Copa
29 Dec - 05 Jan	Copa

Also check the deals for one-way flights from Montreal to Havana 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 Havana in December from $569

Return flights