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

Return flights

28 Aug - 04 Sep	United
27 Aug - 03 Sep	United
23 Aug - 30 Aug	United
31 Aug - 07 Sep	United
30 Aug - 06 Sep	United
19 Aug - 26 Aug	Delta
20 Aug - 30 Aug	United
26 Aug - 02 Sep	United
25 Aug - 01 Sep	Avianca
24 Aug - 31 Aug	Avianca
17 Aug - 24 Aug	Delta
22 Aug - 29 Aug	Copa
12 Aug - 19 Aug	United
07 Aug - 14 Aug	United
15 Aug - 23 Aug	Air Transat
14 Aug - 23 Aug	United

Also check the deals for one-way flights from Montreal to Oranjestad 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 Oranjestad in August from $452

Return flights