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

Return flights

02 Dec - 10 Dec	United
15 Dec - 22 Dec	WestJet
16 Dec - 22 Dec	WestJet
11 Dec - 16 Dec	United
05 Dec - 08 Dec	WestJet
04 Dec - 12 Dec	WestJet
11 Dec - 18 Dec	United
31 Dec - 07 Jan	WestJet
01 Dec - 08 Dec	Air Canada
17 Dec - 23 Dec	WestJet
19 Dec - 24 Dec	WestJet
24 Dec - 07 Jan	WestJet
30 Dec - 06 Jan	WestJet
29 Dec - 06 Jan	WestJet
25 Dec - 01 Jan	Air Transat	direct
17 Dec - 01 Jan	Air Canada
18 Dec - 05 Jan	WestJet
22 Dec - 03 Jan	Air Transat
20 Dec - 02 Jan	Air Transat
28 Dec - 02 Jan	Air Transat

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 243€

Return flights