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

Return flights

30 Oct - 06 Nov	Air Canada
26 Oct - 02 Nov	WestJet
19 Oct - 26 Oct	WestJet
12 Oct - 19 Oct	WestJet
29 Oct - 05 Nov	Porter Airlines (Canada) Ltd
28 Oct - 04 Nov	Porter Airlines (Canada) Ltd
22 Oct - 29 Oct	Porter Airlines (Canada) Ltd
02 Oct - 09 Oct	Copa
03 Oct - 10 Oct	Copa
08 Oct - 15 Oct	WestJet
01 Oct - 08 Oct	WestJet
09 Oct - 16 Oct	Copa
04 Oct - 11 Oct	Porter Airlines (Canada) Ltd
16 Oct - 23 Oct	Copa
27 Oct - 03 Nov	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to Antigua 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 Antigua in October from $418

Return flights