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

Return flights

27 Oct - 31 Oct	Air Canada	direct
27 Oct - 01 Nov	Air Canada
27 Oct - 04 Nov	Air Canada
27 Oct - 08 Nov	Air Canada
27 Oct - 14 Nov	Air Canada
27 Oct - 22 Nov	Air Canada
27 Oct - 03 Nov	Air Canada
27 Oct - 02 Nov	Avianca
26 Oct - 31 Oct	Avianca
26 Oct - 02 Nov	Avianca
31 Oct - 03 Nov	Air Canada
28 Oct - 07 Nov	Copa
25 Oct - 31 Oct	Air Canada	direct
20 Oct - 26 Oct	Porter Airlines (Canada) Ltd
24 Oct - 31 Oct	Porter Airlines (Canada) Ltd
23 Oct - 26 Oct	WestJet
17 Oct - 26 Oct	Porter Airlines (Canada) Ltd
01 Oct - 26 Oct	Avianca
19 Oct - 26 Oct	Porter Airlines (Canada) Ltd
01 Oct - 08 Oct	Copa

Also check the deals for one-way flights from Montreal to Willemstad in October.

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 October from 261€

Return flights