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

Return flights

06 Dec - 13 Dec	Air Canada
05 Dec - 12 Dec	WestJet
07 Dec - 14 Dec	WestJet
13 Dec - 27 Dec	Air Canada	direct
12 Dec - 20 Dec	Air Canada	direct
08 Dec - 12 Dec	Air Canada	direct
08 Dec - 15 Dec	Air Canada	direct
01 Dec - 08 Dec	Avianca
01 Dec - 12 Dec	Avianca
02 Dec - 09 Dec	Air Canada
28 Dec - 18 Jan	Air Canada
31 Dec - 21 Jan	Avianca
29 Dec - 12 Jan	Air Canada
01 Dec - 30 Jan	Copa
31 Dec - 08 Jan	Avianca
27 Dec - 10 Jan	Air Canada
30 Dec - 20 Jan	Porter Airlines (Canada) Ltd
23 Dec - 01 Jan	WestJet
25 Dec - 01 Jan	WestJet
24 Dec - 14 Jan	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to Willemstad 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 Willemstad in December from 338€

Return flights