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

Return flights

01 Dec - 30 Jan	Avianca
01 Dec - 08 Dec	Avianca
03 Dec - 10 Dec	Avianca
03 Dec - 17 Dec	Avianca
01 Dec - 19 Jan	Avianca
03 Dec - 24 Dec	Avianca
01 Dec - 14 Dec	Avianca
07 Dec - 14 Dec	Avianca
08 Dec - 15 Dec	Avianca
10 Dec - 17 Dec	Avianca
09 Dec - 16 Dec	Air Canada
02 Dec - 09 Dec	Air Canada
17 Dec - 07 Jan	WestJet
31 Dec - 07 Jan	Air Transat
24 Dec - 14 Jan	Avianca
16 Dec - 06 Jan	Air Canada
23 Dec - 13 Jan	Air Canada
29 Dec - 05 Jan	Air Canada
26 Dec - 02 Jan	Avianca
22 Dec - 01 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 320€

Return flights