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
01 Dec - 07 Dec	Porter Airlines (Canada) Ltd
07 Dec - 14 Dec	Porter Airlines (Canada) Ltd
01 Dec - 08 Dec	WestJet
03 Dec - 10 Dec	WestJet
05 Dec - 12 Dec	WestJet
01 Dec - 30 Jan	WestJet
04 Dec - 13 Dec	Air Canada
08 Dec - 18 Dec	WestJet
10 Dec - 17 Dec	WestJet
03 Dec - 17 Dec	WestJet
01 Dec - 19 Jan	WestJet
31 Dec - 10 Jan	Air Canada
29 Dec - 09 Jan	Air Canada
31 Dec - 07 Jan	Avianca
29 Dec - 05 Jan	Air Canada
28 Dec - 06 Jan	Air Canada
25 Dec - 01 Jan	Air Canada
28 Dec - 04 Jan	Air Canada
21 Dec - 04 Jan	Air Canada

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 430€

Return flights