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

Return flights

18 Dec - 25 Dec	WestJet
21 Dec - 28 Dec	WestJet
25 Dec - 01 Jan	WestJet
21 Dec - 04 Jan	WestJet
28 Dec - 04 Jan	WestJet
01 Dec - 08 Dec	Copa
03 Dec - 10 Dec	Copa
08 Dec - 15 Dec	Copa
06 Dec - 13 Dec	Copa
06 Dec - 20 Dec	Copa
04 Dec - 11 Dec	Copa
02 Dec - 16 Dec	Copa
05 Dec - 21 Dec	Copa
30 Dec - 06 Jan	Copa
26 Dec - 02 Jan	Copa
27 Dec - 04 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 $398

Return flights