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

Return flights

22 Aug - 30 Aug	American Airlines
31 Aug - 07 Sep	WestJet
30 Aug - 06 Sep	Porter Airlines (Canada) Ltd
24 Aug - 31 Aug	Air Canada
27 Aug - 03 Sep	Avianca
16 Aug - 23 Aug	American Airlines
23 Aug - 30 Aug	Air Transat
29 Aug - 05 Sep	Air Transat
21 Aug - 28 Aug	Copa
28 Aug - 04 Sep	Air Transat
26 Aug - 02 Sep	Air Transat
22 Aug - 29 Aug	Copa
19 Aug - 26 Aug	Copa
16 Aug - 18 Aug	Copa
18 Aug - 25 Aug	Arajet
16 Aug - 26 Aug	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to Antigua in August.

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 August from 374€

Return flights