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

Return flights

31 Aug - 09 Sep	WestJet	direct
30 Aug - 07 Sep	WestJet
30 Aug - 03 Sep	WestJet	direct
06 Aug - 13 Aug	United
13 Aug - 20 Aug	United
13 Aug - 18 Aug	United
20 Aug - 26 Aug	WestJet
13 Aug - 17 Aug	United
29 Aug - 31 Aug	WestJet
13 Aug - 19 Aug	WestJet
29 Aug - 02 Sep	WestJet
19 Aug - 26 Aug	WestJet
25 Aug - 07 Sep	WestJet
24 Aug - 07 Sep	WestJet
22 Aug - 26 Aug	WestJet
07 Aug - 13 Aug	United
28 Aug - 11 Sep	WestJet
30 Aug - 01 Sep	WestJet
25 Aug - 01 Sep	WestJet
25 Aug - 01 Sep	WestJet	direct

Also check the deals for one-way flights from Calgary 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 Calgary to Cancun in August from 282€

Return flights