AirHint found the following cheapest return flights from Montreal (YUL) to Cancun (CUN) in January 2026 (see full year).

Return flights

07 Jan - 14 Jan	WestJet
13 Jan - 31 Jan	WestJet
23 Jan - 27 Jan	United
20 Jan - 27 Jan	United
09 Jan - 27 Jan	United
30 Jan - 06 Feb	United
13 Jan - 28 Jan	United
08 Jan - 28 Jan	United
09 Jan - 14 Jan	United
05 Jan - 13 Jan	WestJet
06 Jan - 13 Jan	WestJet
28 Jan - 25 Feb	United
31 Jan - 10 Feb	United
28 Jan - 06 Feb	United
27 Jan - 03 Feb	WestJet
29 Jan - 06 Feb	United
27 Jan - 10 Feb	United
23 Jan - 03 Feb	United
27 Jan - 03 Feb	Air Canada	direct
28 Jan - 07 Feb	WestJet

Also check the deals for one-way flights from Montreal to Cancun in January.

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 Cancun in January from $351

Return flights