AirHint found the following cheapest return flights from Halifax (YHZ) to Cancun (CUN) in August 2025 (see full year).

Return flights

06 Aug - 20 Aug	United
13 Aug - 03 Sep	Air Transat
19 Aug - 26 Aug	Air Transat
13 Aug - 18 Aug	United
13 Aug - 21 Aug	United
12 Aug - 02 Sep	Air Transat
12 Aug - 01 Sep	Air Transat
06 Aug - 10 Aug	United
05 Aug - 19 Aug	Air Transat
11 Aug - 25 Aug	Porter Airlines (Canada) Ltd
07 Aug - 10 Aug	Porter Airlines (Canada) Ltd
02 Aug - 09 Aug	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Halifax to Cancun 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 Halifax to Cancun in August from 402€

Return flights