AirHint found the following cheapest return flights from Ottawa (YOW) to Cancun (CUN) in December 2025 (see full year).

Return flights

30 Dec - 12 Jan	WestJet
30 Dec - 12 Jan	Porter Airlines (Canada) Ltd	direct
30 Dec - 08 Jan	Porter Airlines (Canada) Ltd
31 Dec - 09 Jan	WestJet
31 Dec - 07 Jan	Porter Airlines (Canada) Ltd
31 Dec - 05 Jan	Air Transat
29 Dec - 08 Jan	WestJet
29 Dec - 07 Jan	WestJet
26 Dec - 29 Dec	WestJet
25 Dec - 29 Dec	United
25 Dec - 28 Dec	United
29 Dec - 05 Jan	WestJet
27 Dec - 08 Jan	WestJet
25 Dec - 31 Dec	Air Canada
25 Dec - 30 Dec	Air Canada
25 Dec - 28 Dec	Air Transat	direct
26 Dec - 31 Dec	United
25 Dec - 31 Dec	Air Transat	direct

Also check the deals for one-way flights from Ottawa to Cancun in December.

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 Ottawa to Cancun in December from 281€

Return flights