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

Return flights

30 Mar - 09 Apr	WestJet
10 Mar - 12 Mar	WestJet
05 Mar - 12 Mar	WestJet
06 Mar - 11 Mar	WestJet
26 Mar - 02 Apr	WestJet
05 Mar - 12 Apr	WestJet
03 Mar - 14 Apr	WestJet
03 Mar - 19 Mar	WestJet
05 Mar - 19 Mar	WestJet
05 Mar - 11 Mar	WestJet
03 Mar - 11 Mar	WestJet
08 Mar - 12 Mar	WestJet
04 Mar - 02 Apr	WestJet
09 Mar - 15 Mar	WestJet
09 Mar - 16 Mar	WestJet
31 Mar - 09 Apr	WestJet
19 Mar - 15 Apr	WestJet
19 Mar - 02 Apr	WestJet
20 Mar - 21 Apr	WestJet
25 Mar - 01 Apr	WestJet

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

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 March from $321

Return flights